30 Common 4L60E Transmission Problems & Repair

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30 Common 4L60E Transmission Problems & Repair | Charlotte NC

Posted by Beth Jackson on Fri, Mar 18, 2011 @ 07:21 AM

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What is a 4L60E Transmission?

The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. It has been considered to be the best rendition of the finest overdrive automatic transmission ever produced. The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada, Firebird, Camaro and Corvette

Before the Late 4L60-E transmission, there was the Turbo 700R, which was introduced in 1982. The 4L60-E is GM's successful continuation of the ever-improving 700R4 (aka "4L60" since 1990), introduced in 1982. The 4L60-E is the "E"lectronically shift controlled version of the 4L60. The Late 4L60-E was released in 1997 in and fully phased into wide use through GM by 1998 in both RWD car platforms (including the C6 Corvette) and trucks in both 2wd and 4wd configurations. (Most transmission models are not distinctively noted with the "E" since all GM transmissions are now also controlled electronically.)

The 4L60E Transmission has went through many changes/improvements over the years since it first came out in 1982. From bells to valve bodies, added solenoids, changes in pump and convertors. The 4L60E transmission weighs 146 pounds dry, and 162 wet. It requires 8.4 quarts (9.64" torque converter) or 11.4 quarts (11.81" torque converter) of transmission fluid,

Top 30 Common 4L60E Transmission Problems and Repair

Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. Although you may have some of these symptoms / problems with your 4L60E Transmission, the repair solution may differ. This list is merely a guide to the possible solutions. For a complete diagnosis on your GM 4L60E Transmission problem, contact us for a Free Diagnostic.

1. Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. It is possible to remedy a fluid problem by removing the checkball from its cage in the case in the rear of the transmission may help (must remove valve body), or adding a high-viscosity additive or other seal restorer product. May also have worn boost valve (can replace in the pan).

2. 1-2 shift does not happen at WOT (Wide Open Throttle) until you let off the gas: Best case: try replacing the TPS. Middle case: leak in the 2nd gear apply circuit (servo assembly or 1-2 accumulator). Double check by using the pressure gauge and watch for a big drop when the PCM commands 2nd gear. Worst case: poor line pressure rise (see below).

3. 1-2 Shift shudder at WOT (Wide Open Throttle); delayed or abnormal 1-2 shift; There's a problem ONLY on the 1-2 shift: 1-2 accumulator piston cracked or stuck cocked in the bore. Check the yellow spring inside the accum housing for breakage. Also, if the accumulator housing walls are scored, the housing must be replaced.

4. 1-2 shift is delayed and harsh, may not shift into OD: TPS needs to be checked for smooth and linear electrical response over the entire range of motion. If not, this must be replaced.

5. Trans does not upshift out of first, speedometer reads zero at all times: Could be VSS failure. Rear of transmission needs to be fixed. Transmission needs to come out in order to access VSS.

6. No 3rd or 4th gear: “3-4” clutches are worn out: Needs to be removed and rebuilt. The car is safe to drive (in 2) until you can get it fixed.

7. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal: sunshell is fractured. Must be removed and rebuilt. Try not to run or drive the car or further damage could result.

8. 1st and 3rd only, no 2,4 or R: Sunshell is fractured or splines are sheared off. Transmission must be removed and rebuilt. Try not to run or drive the car or further damage could result.

9. No 2nd or 4th gear. 2-4 band is slipping: Servo seals may be damaged. Otherwise, 2-4 band is worn out. Transmission must be removed and rebuilt.

10. Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: transmission is either in limp-home mode or has lost electrical power. If there are lots of error codes in the PCM, check the underhood fuse that powers the transmission, and if it pops again, look for a short in that circuit like an O2 sensor harness touching exhaust. Otherwise, check PCM codes for a particular fault in the transmission causing the PCM to put it in limp-home mode.

11. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter: ShiftA solenoid failed Or a wiring problem from PCM to trans or PCM. Needs diagnostic testing.

12. Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it's moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time: ShiftB solenoid failed: A wiring problem from PCM to transmission or PCM.

13. No TCC (Torque Converter Clutch) lockup: Brake pedal switches improperly adjusted (always on), TCC solenoid failed, TCC clutch worn out (must remove transmission and replace TC).

14. TCC (Torque Converter Clutch) always locked: TCC apply solenoid circuit shorted to ground, TCC solenoid blockage, or TC broken (must remove trans and replace TC).

15. Horrible noise in 4th and feels like the brakes are on: overrun clutches are applying due to a cracked or leaking forward piston. Overrun clutches will be worn out after 30 seconds of this behavior. Car can be safely driven in D. Transmission must be removed and rebuilt.

16. Soft shifting, gradual performance degradation: Poor line pressure rise due to leaking boost valve, clogged EPC filter screen, failing EPC solenoid, or worst case: leaky seals throughout. Seal restorer may fix last problem, but probably remove and rebuild needed.

17. No forward movement in OD or D, but L2, L1 and R work: Forward sprag is broken. Transmission must be removed and rebuilt. Try not to run or drive the car or further damage could result.

18. Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed. Fix as soon as possible or hard parts will eventually break.

19. Loud bang, grinding sound, loss of all gears, and a binding driveshaft: Snapped output shaft. Try to wiggle driveshaft - if more than 0.020" play, that's the sign. Must be removed and transmission rebuilt.

20. Trans seems noisy when moving in 1st and Reverse, noise goes away instantly if you shift to N or the transmission goes into 3rd gear: Reaction planetary is worn out due to high miles or insufficient lubrication. Not a critical failure, but not a good sign either. Transmission must be removed and rebuilt, sooner rather than later.

21. No movement in any gear: pump failure, or total loss of fluid. Remove transmission and rebuild, or refill pan and find the leak. If out of fluid, avoid running the engine until the transmission is refilled to avoid pump damage. To check for pump failure, check fluid level with the engine off, then start the engine and recheck fluid level. If level does not go down when engine is running, the pump is broken.

22. Transmission does not shift automatically, only manually. New PCM, check wiring, check other sensors such as VSS and TPS.

23. 3rd gear starts, can manually shift through all gears. When car has been turned off for a bit, then back on it will run normally.: VSS dropoff w/ Hi-stall converter. The rpms are too high, but VSS is showing no movement. Happens after a tire burning take-off. Doesn't store a code, will not throw a CEL (I've heard that it will store a code if it happens 3 or more times). Cure: Reprogram PCM for VSS dropoff.

24. Fluid leak out of the front of trans where the converter connects; partial or full loss of movement: Front pump bushing walked out. Transmission must be removed and rebuilt. May have to replace converter also if hub is scored. Note that a leaking front seal usually means the bushing is walking out.

25. Torque converter shudder in 4th while lockup is engaged; problem goes away when the brake pedal is pressed slightly to unlock converter: Need to verify line pressure, and provided no valves in the TCC (Torque Converter Clutch) hydraulic circuit are worn, replace the torque converter.

26. Shift suddenly become very hard. When going from park to either reverse or drive it slams into gear. 1-2 and 2-3 shifts are also harsh. All gears seems to work. Problem may be intermittent: Check TPS for smooth electrical response. If the response is jumpy or erratic at all, replace TPS (Throttle position sensor).

27. All fluid pumped out through the vent tube: Plugged cooler line. Flush the transmission cooler and cooler lines. Also could be overfiled transmission.

28. Car acts like it's in OD in neutral, car is locked stationary in R, engine feels loaded in P, all four forward positions work fine: Transmission must be removed and rebuilt. Internal crossleak feeding the forward clutches all the time. Most likely a cracked input housing, or cracked forward piston means forward clutches are fused together. Car can safely be driven gently in forward gears until the repair.

29. Needle bearings in the pan, first gear and/or reverse may be noisy: Either a torrington bearing or a planetary bearing is on its way out. Transmission will eventually die a loud, catastrophic death. Cheaper to rebuild now (saves further damage to hard parts), but requires removal and rebuild. It is drivable until it breaks.

30. 1-2 or 2-3 shift is slow/soft above part throttle: Transmission is on its way out. Transmission must be removed and rebuilt.

Twin Automotive & Transmission, Charlotte's Transmission Specialist, provides free transmission repair diagnostics (diagnostic is free with repair of the transmission). Twin Automotive offers Charlotte NC 's Longest Transmission Rebuild Warranty - 3 Years / Unlimited Miles.

The above top 30 common problems with the 4L60E Transmission and possible solutions for repair are merely a guide. Although you may have a similar problem as those listed above, the repair may differ based upon a visual inspection of the vehicle. Transmission problems only worsen with time. If you have any problems with your GM 4L60E Transmission, please contact us at 704-821-3460 to speak with a Charlotte transmission repair specialist.

Comments

I'm building a 400 SBC to put in my short wheel base full size truck. It has a nice 4L60E in it now. Is this transmission OK for this application? Does it need a shift kit?

Posted @ Saturday, May 07, 2011 12:49 PM by Joe

I have a 92 GMC Sierra 1500 4X4 I just recently rebuilt my 4l60e cause of loss of 1st gear but when I rebuilt it everything looked great all the steel and gears looked good seals and band great condition so me and my brother in law re did it all in about a week after work I bought a whole new rebuilt kit for around $125got a teflon band and everything we checked the pressure to see if it all was well and made extra sure everything worked after all that hard work we put everything back together and back in in a days work come to find out same darn problem what could it be he thought the torque converter was bad even before reverse was normal but 1st gear always felt sluggish and it didn't have that power it had before and never got out of 1st gear it seemed. it was a tad low in fluid but knowing how bad it was slipping fluid couldn't be the problem what are somethings I could look into doing at this point with a newly rebuilt tray but still having the same problem is it the torque converter??? is it a bad PCM or what I'm lost and need my everyday transportation back up and running ASAP I've poured just about all my dough in a overhaul kit I didn't need cause everything looked good so if anyone can help me or point me in the right direction I would appreciate it

Posted @ Thursday, May 12, 2011 8:44 PM by kwame thomas

I HAVE A 1993 FULL SIZE CHEVY CONVERSION VAN WITH THE 4L60E TRANNY AND 5.7LTR ENGINE AND WHEN I REACH SPEEDS OF ABOUT 40MPH IT SPITS AND COUGHS AND I HAVE TO LET UP OFF THE GAS TILL IT GETS BACK TO ABOUT 35MPH MY TRANNY SEEMS LIKE ITS STUCK IN 3RD I WAS TOLD ITS IN DEFAULT MODE BUT WITHOUT GETTIN REEMED BY THE TRANNY DEALER I WOULD LIKE TO GET SOME INPUT BEFORE I START JUST THROWIN MY CHILDRENS COLLEGE FUND AT IT. I CAN DO WORK MYSELF JUST NEED TO KNOW WHAT THE PROBLEM IS........I'D APPRECIATE ANY HELP I CAN GET! THANKS, DAVE.

Posted @ Sunday, May 29, 2011 9:53 PM by DAVID HYLTON

I HAVE A 4L60E witch I rebuild 3 months ago was working fine until now
It's not shifting in any gears forward or backward. When I start the car with the brake pedal applied and the car shifted in gear the car start to take off but after 20 sec, I hear a rattling noise from Torque converter and after that noise the car is not shifting anymore in any direction .If I turn off the car and start all over again it will happened the same. Any body knows what can be wrong?
Please help!!!!

Posted @ Thursday, June 16, 2011 8:24 AM by Paul Zemora

I have a 1994 tnx suburban wit a 4l60e, and it won't shift out of first gear on its own or manually. I've change both shift solenoids and the vss and check the wiring and everything is good. Can anyone help me wit this problem.

Posted @ Wednesday, June 29, 2011 2:04 PM by kino

I have a full size Blazer and the transmission works perfect but there is no commpression braking on downhills in any gear. Truck just freewheels and overheats brakes quickly.troubleshoot#31?

Posted @ Tuesday, July 05, 2011 6:21 PM by Herb Dixon

I have a 96 blazer with the 4l60e. When i put my truck in reverse my vehicle shudders badly for a bit until i give it half throttle, it also acts like the breaks are beaing aplled. But doesnt in any other gear. I can remove my tranmission fuse in dashboard and it doesnt shudder. I also have a leak somewhere on top of it on passenger side. This has puzzled alot of mechanics and none can give a answer.

Posted @ Thursday, July 07, 2011 5:57 PM by Jason bowers

transmission shudders when converter is locked up in 3rd. only does this in third and only when shift lever is placed in 3rd. shudder goes away when you give it gas and the converter unlocks.

Posted @ Saturday, July 16, 2011 8:23 PM by Chad Cornett

I have a 1993 chevy truck 20,000 0n rebuilt 4l60-e that lost 3-4 going at highway speed. 1-2 & reverse still work. Dropped pan and fluid was clean no debris at all just alittle clutch sludge in bottom of pan. My tps went out the day before and I replaced it. But now all scans look normal. Can a bad solinoid cause this issue? I belive this acts like electrical.

Posted @ Monday, July 25, 2011 10:16 AM by Charlie

i have a 97 gmc savanna with 4l60e

just rebuild 3 months ago was working fine until about a week ago will not shift into 4th with me letting off the gas pedel fluid fine nothing in the pan and no codes being set off.

Posted @ Wednesday, July 27, 2011 1:25 PM by george

I have a 97 Tahoe. My transmission will only run in reverse. It will not give any error codes. If I unplug the harness the vehicle will function in 3rd gear. 1st and 2nd will not work not even in manual. The vehicle will actually pick up speed up to 50mph or more with no problem. If I plug the harness back in the vehicle will not run again and will only run in reverse. I've cleaned the harness and no luck. I get no error codes.

Posted @ Friday, August 05, 2011 9:55 PM by Mike Ramirez

96 s10 auto trans made a loud winding noise .now i have no reverse and slips in drive under high rpms. if you baby it it will shift up . thank you

Posted @ Sunday, August 07, 2011 9:56 PM by donnie johnson

1 & R fills like brakes is on 2 through od works great anyone have any ideas

Posted @ Tuesday, August 16, 2011 10:48 PM by rincon369

I have a 1998 chevy cheyenne v-6 automatic-problem is. when it runs it does not shift.I've had it parked for a year .I really need a car so what do you think i should do? I'm on a fixed income and tired of everyone telling me different stories.Thanks for any help.As you can tell i'm no mechanic

Posted @ Friday, August 19, 2011 5:32 PM by sandra

I have a 4L60E 1st and Reverse are the only Working Gears. Pulled the Transmission noticed that the 2\4th Band is Cracking and worn badly. Could this be the Problem ? Everything else seems ok. Havent pulled the ValveBody or anyof the Clutch Packs apart yet, although they appear to be ok and look new. Please advise.

Posted @ Saturday, August 20, 2011 9:05 PM by Jason

On 4L60E on Astro Van what is and were is the TPS you mention in common problems?

Posted @ Tuesday, August 23, 2011 7:43 AM by John Lunetta

I have a 98 chevy sierra 4.3 4l60e it has first then let off throttle it goes to drive. I have reverse 1 and 3 and no slippage no hard shifting. Is it the selenoids or tps??? Please help as Im sole provider and 2 children and a wonderful wife. Thanks to all. This site is awesome.

Posted @ Tuesday, August 23, 2011 6:56 PM by Richard

just drove down to the beach pulling a small john boat. Lost 3rd and 4th gear and once it shifted into 3rd she went into neutral. After consulting with a great transmission mechanic he called out number 6 in the top 30(above). we dropped the pan and it was full of clutch debris. I am having to install a rebuilt transmission and i only have 120K mileage.Drop the pan first and look at the vitals. hope this helps.

Posted @ Friday, September 02, 2011 7:48 PM by Brent Aldridge

replaced transmission and torque converter on a 2005 gmc 3500 tried to start but it would not crank so we loosened transmission housing bolts. it started but makes a loud grinding noise in front near flywheel or torque converter. any coments appreciated

Posted @ Sunday, September 04, 2011 1:45 PM by gerald dodd

Simple question... Can a transmission run in the either direction? Can the torque converter run in either direction?

Posted @ Monday, September 05, 2011 10:06 PM by Jennifer

want to know if 4l60 out of firebird will work without controller module or is adapter kit available

Posted @ Friday, September 09, 2011 12:29 PM by eric im cottonwood

2000/Z71 w/ 4L60E - 90% of the time everything is fine, 10% of the time after 20 to 30 min of driving 1st to 2nd shift is very hard and 2nd to 3rd is slightly hard but 3rd to 4th is normal. Once truck cools off everthing is normal.

Posted @ Saturday, September 17, 2011 9:19 PM by David Adams

I have a 1993 G20/Mark III Chevy Conversion Van. Has a rebuilt engine and tranny with about 15K on the rebuild. It sat for months with a for sale sign before I bought it. Drives great around town but if I take it on the highway for over an hour when I pull off and drive in traffic it will not shift out of 2nd gear. Also using the cruise it will never go into passing gear going up a gradual grade. It will decelerate to 35mph and pedal to the floor without hitting passing gear. Park it for an hour or so and she's fine. Can't correlate the issue with anything other than highway driving using the cruise and passing gear. Any advice is appreciated

Posted @ Wednesday, September 21, 2011 9:25 AM by Gary Morgan

I HAVE A 94 1500 AND THE TRANSMISSION SHIFTS GOOD INTO 1ST AND 2ND BUT WHEN IT GOES TO GO INTO DRIVE THE ENGINE REVESE UP AND WONT SHIFT INTO GEAR DOES THE TRANS NEED REBUILT

Posted @ Tuesday, September 27, 2011 8:02 PM by kevin hoffmanBUT

My 93 silverado with a 350 will not shift into 3rd or 4th. What other years are compatible to the 93

Posted @ Tuesday, September 27, 2011 8:14 PM by Lyndle Gregory

Hey i have a 2000 sierra. I had the tranny rebuilt about 2,000miles agoo and today i was driving and lost all gears. fluids are full and nice looking, no smell, but if its in park it wont roll but if it is in anything else i can push it around with ease like its in neutral. was thinking maybe electrical problem. anyone help me? need a direction to start to get it fixed

Posted @ Wednesday, September 28, 2011 12:49 PM by Gregory Yount

Posted @ Sunday, October 09, 2011 9:22 AM by Carl

i have a 97 chevy burban and its been a great truck. i need someone to be honest with me, im a single mom of 4 and no money to blow on guessing games or the shady mechanics out there. i was driving my truck and slowed going up an onramp to the highway, there was a clunk then nothing. i lost all forward gears and now only have reverse. ive dropped the tranny pan and found a small amount of shavings and a few larger pieces and a few cylinder looking bearings. I was told i might just be able to replace the solenoids and filter. but others said i might as well scrap my truck. PLEASE! any help is welcome!

Posted @ Monday, October 10, 2011 11:39 PM by Suthrn

best I can tell, I have 4L60E trans. After being stored for a bout six months trans will not shift into third or fourth gear. Worked fine before storage. No slipping or harsh shifts.

Posted @ Sunday, October 16, 2011 3:30 PM by bfondren

I have a 93 1500 with 122K. Just replaced the u joints a week ago and started hearing squeeking sound when in drive but not in reverse. Next day started in reverse also and got really loud. My rear seal has a small leak and I thought that it what was causing the problem but now am not sure. I am afraid it might be something internal but dont know. Need help, this is my only ride.

Posted @ Tuesday, October 18, 2011 6:39 PM by Kurt

I have a 1998 jimmy with a fresh rebuilt 4l60e. The problem I am having is it seem like the brakes are on all the time and when you really step on the throttle it starts to backfire and seems like it does not want to shift but once your are up to speed it seems fine but then the rpms start to surge up and down about 200rpm after 60km/h

Posted @ Wednesday, October 19, 2011 7:50 PM by Dennis

1993 gmc surburban shift hard going to second gear, after that shift fine in rest of the gears

Posted @ Thursday, October 20, 2011 12:58 AM by reginald

I have a 2005 chevy 1500 4x4, my truck will not hit second gear, it shifts directly into 3rd after I have enough speed out of 1st gear and let off the throttle. It then feels like it goes into second gear and directly Ito 3rd. Manual shifting won't work it just slips in second! But when the tranny is cold in the mornings it shifts a little better, gets wits the longer I drive it... Any help would be appreciated thank you

Posted @ Monday, October 24, 2011 4:42 AM by Billy

i have a 96 gmc sonoma and it doing as it was descibed on the website my question is do u know where the PCM is on my truck?(12. Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it's moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time: ShiftB solenoid failed: A wiring problem from PCM to transmission or PCM.

Posted @ Monday, October 24, 2011 6:16 PM by kevin

I have a 93 S-10 blazer 4.3 with

4x4 4l60e. everything works fine

until it warms up then i loose 3rd

gear. feels like its shifing into neutral. is that the 3/4 clutch pack burnt up? the band? or ive been told its the reaction shell. i was just hoping you could point me in the right direction. thanks, jeff

Posted @ Wednesday, October 26, 2011 12:01 PM by jeff andrew

I have a 2004 Tahoe Z71 5.3 flex fuel. Last night the Tahoe shifted in to neutral and just stopped pulling, It also made a ticking sound when we tried to put in park it went but would roll like it was in neutral. Towed it home shifted in 4WD pulled forward and shifted fine. Came out two hours later and it was doing fine in 2WD like nothing was wrong... Any Ideas?

Posted @ Thursday, October 27, 2011 6:15 PM by Chris Moore

is it possible to hook the second gear band up thruogh the servo, if so how ?

Posted @ Thursday, October 27, 2011 11:20 PM by Travis Day

this is for the previous comment, I have a 93 silverado, I bought the truck, and the last owner said all i would have to do is take the servo out and pull the second gear band back down, well i have the servo off, and i dont see what he is talking about, stuck without a truck. no slipping just no 2nd or 4th gear

Posted @ Thursday, October 27, 2011 11:32 PM by Travis Day

I have a 2001 GMC YukonXL with a 5.3 liter VORTEC. It is the 4L60E had it rebuilt in 2010 by a useless mechanic. He wound up rebuilding the trans 3 diffrent times, because he wasn't doing something right. I towed it to a very reputable mechanic (DSU PETERBUILT(GM SMALL TRUCK SERVICES). They ran every test possible, and sed it wasnt toe ecm or anything else. The guy rebuilt it again, but there is a "surge" around 45-50 mph, and it "surges" between 1200-1400 rpm's. The trans is acting like it is trying to downshift. Or go into a higher gear when it doesn't need to. I am going to put a second trans in this vehical because i love it so much. I would really like to put a tougher beefier trans in it but i can't get a strait answer on what will work. I would love to replace the 4L60 with a 4L80E, or something way tougher. The (5.3liter(325 c.i.d.) has more than enough power to properly run the 4L80. Ijust need to know what i have to change up "electronically" for it to work. or if i can just plug and go. I would really appreciate a prompt answer on these querries. Thank you so very much for your time and attention. Mechanically Confused, JOSIAH HUNT

Posted @ Saturday, October 29, 2011 2:31 PM by JOSIAH HUNT

hi i have a 2000 silverado z71 4x4 the transmission was shifitng normal and i did a flush on the trasmission and now it feels really heavy no power and i dont get 4 gear and 1 gear is really weak only 2 and 3 gear are woking fine and i dont have and idea what,s wrong with it i only change the fluid,if so one know what what wrong it let me know and thank you for your time

Posted @ Saturday, October 29, 2011 9:53 PM by juan

I have a 1995 corvette with the 4l60e and i have the problem of it doesnt want to shift from first to second at wot but its been awhile and its not gotten worse than it did when it started happening. Just wanted to know if you think it is the tps or could it still be those other problems that you listed?

Posted @ Tuesday, November 01, 2011 9:57 AM by Anthony Welch

problema con trans.4l60e
solo entra primera, segunda, y reversa su ayuda por favor

Posted @ Thursday, November 03, 2011 3:16 PM by claudio1200

1995 z28 camaro don't shift in 3rd while WOT; Shift 3rd when releasing gas... Knuckle when shifting from P to D or OD.

Posted @ Sunday, November 06, 2011 7:55 PM by N Nadeau

I have a1999 yukon 4l60e.The trans. shifts fine during the summer no problems what ever, But inthe fall temps below 50 it starts to act up,Not all the time but every once an awhile will hard shift i to 2 goesto4 come to stop stay in 3or4.If turn key off for 30 secs, start eng it will shift fine till it make hard shift from 1to 2.This only happens witl temp below 50. has a cel on but goes off after driving for awhile will come bCK after hard shift. In the summer its fine. Any info would be helpfull Thank You Mike.

Posted @ Wednesday, November 09, 2011 7:47 PM by mike mooney

01 chevy tahoe, 2 3 shift slips/flares at or above 1/2 throttle. ive changed the fluid and filter twice in the last 6 months and havent noticed very much material on the magnet or in the pan. doesnt do it while manually shifting or while in tow haul mode. any ideas? 2,3 shift solonoid?

Posted @ Wednesday, November 09, 2011 8:22 PM by shane

i have a 2004 tahoel the transmission doesnt want to shift into drive

Posted @ Saturday, November 12, 2011 9:01 PM by kenneth

1990 chevy blazer fullsize 4x4 wont shift outa first but good in reverse any ideas

Posted @ Sunday, November 13, 2011 11:19 AM by Joe

have 99 suburban 4x4 4l60e transmission that just lost all gears driving down the freeway. turned off motor and waited a minute and started truck up and shifted into gear and vehicle started to move and then every drops out again. seems like this will repeat itself. there was little to no warning of any transmission problem. the check engine light or flash code indicator never appeared to come on. i put tranny in myself 50,000 miles ago and it ran strong right til this happen last night. had to tow truck home and just going to look into problem now. there was a post with a 3 month old rebuild that had the identical problem. looking for the same solution.

Posted @ Tuesday, November 15, 2011 9:28 AM by mike steinberg

I have a 99 Tahoe that shifts hard into reverse or 1st from park and is very slow when accelerating from a stop when the vehicle is cold. Once the vehicle is warmed up, the trans seems fine and none of the symptoms above exist.

Posted @ Friday, November 18, 2011 2:17 PM by Joe King

I have a 2006 1500 Silverado 5.3 engine, 167,000 miles 4L60E transmission.

The transmissission shift from 1 to 3 and will not shift from 2 to 4. I scanned for codes and found A Solenoid code. I replaced the A & B Solenoids and changed filter and fluid ( fluid, filter& pan was clean) and cleared code. Tested and still have the same problem, but all codes are clear.

Posted @ Friday, November 18, 2011 11:21 PM by Bernest Jones

i have a 2000 chevy silverado z71 had recent trans overhaul planetary gears sun shell all new now it will not shift into 2nd it goes strait to 3rd the truck felt sluggish for a few days before this happened any suggestions thanks monty

Posted @ Sunday, November 27, 2011 6:32 PM by monty

High performance rebuild 4L60E, all the goodies installed. Sticks in 2-3 shift when hard shifting 1-2. Works fine with soft shift 1-2. Reprogrammed trans to shift at 5500, rev limiter at 6500 to try to alleviate. Behaves when light load 1-2, hits rev limit then shifts when hard load 1-2. Doesn't throw codes. Any ideas?

Posted @ Sunday, November 27, 2011 11:16 PM by Philip Pugeau

i have a 94 s10 4l60e wont shift from 1-2 until 20 mph and i have to let off trottle for it to shift ive changed valve body and all solenoids this happened after i had front seal changed.could it be the 2-4 servo

Posted @ Tuesday, November 29, 2011 10:00 PM by shawn

My 2004 4x4 silverado 5.3 is experiencing problem #12 (starts out in 4th) Is this an easy fix? How much can I expect to pay? what's a PCM? Thank you very much for your consideration.

Posted @ Saturday, December 03, 2011 2:06 PM by Gordon

I have a 95 blazer. Just swapped a new transmission for it. Switches through all gears but started to slip between 3-4 gear. I also noticed it was leaking transmission fluid but i am not sure from where. Could anyone help me with where it could be leaking from and why its leaking in the first place. Thank you

Posted @ Sunday, December 04, 2011 10:46 AM by mike

Will a faulty fuel pump cause the trans not to shift into passing gear? My transmission seems to be fine as long as no passing gear is required. The motor revs very high when the petal is pressed to the floor.

Posted @ Monday, December 05, 2011 2:22 PM by ben

my 94 z transmission had no problems up until I ran the car out of gas and all the lights flickered rappidly. After restarting had no warning lights and no symptoms of a prob until I was driving in d and let off of the gas and car whent to idle its acting like it has a stall converter in all selections but overdrive converter acts as it should any ideas.

Posted @ Thursday, December 08, 2011 11:13 AM by Daniel Smith

have 95 tahoe was driveing down road trany had been acting like it was in high gear even on take off for last week but drove great after i got going then came in to town slowed down felt a shudder then smoothed out shuddered again on take off was going fine stoped at light would not move again let cool ten min took off slowly lost everything let cool for ten took off but would not shift from first and would quickly loose everything now nothing this all happened within about half hr.

Posted @ Thursday, December 08, 2011 12:58 PM by shane

I have a 1994 Model 4l60e which i had fully rebuilt with new everything, and just got into truck and no movement at all in d or od. 1st, 2nd and reverse work fine. When in 3rd or 4th, ats as if in neutral and just revs up and wont move. Any ideas?

Posted @ Thursday, December 08, 2011 5:52 PM by Jeff

I have a 96 Chev. Blazer 4x4. Last night the Chev shifted in 4x4 while driving down the road. When I pulled into a parking lot to park up a slight hill, I had to give it a lot more gas. It still act like it didn't want to go so I placed the truck in reverse. Had to give more gas than normal. Once I put the truck in drive it still act like it didn't want to go. After turning the truck off for about an hour, I started the truck and the 4x4 light was on. Starting out in drive was differ but I had to drive about 12 miles home in 4x4. It drove ok but I knew all four wheels were turning. I would like to know what is wrong before I get a run around deal from a guessing game. To be frank with I don't have money to play with and I'm on a fixed income with a child to take care of.... O.. no other lights came on in the dash. Please Help....

Posted @ Sunday, December 11, 2011 3:31 PM by

07 Chevy express van shifting hard in 1st, then not as hard in 2nd, then less in 3rd&4th gears. This does'nt happen when first starting van and going, only later while driving for some time. Then after coming to a stop & go it will start shifting hard!! I then can stop & turn off engine wait count to 10 start it back up & shift fine again for a while. What's up?

Posted @ Sunday, December 11, 2011 11:33 PM by Monty

I have a 2000 silverado when i put it in reverse it engages and acts like its in park it wont go forward or backwards, neutral, and drive works fine only reverse is acting funny any ideas?

Posted @ Monday, December 12, 2011 10:05 PM by James

We just bought a 1996 chevy silverado extended cab and yesterday I was leaving pulled forward into a drive way and put in reverse. it went into reverse and then would not move it takes a lot of gas to move backwords. What the hell?

Posted @ Tuesday, December 13, 2011 3:39 PM by Bud Crittenden

2006 silverado 4wd. When starting cold has a grinding noise that sounds like starter not disengaging, but while still cold it also makes the same noise when I shift into reverse or 1st. Noise does not happen when car is already warmed up??????? Also, the first time cold when it shifts into 2nd and 3rd, the same noise but lighter sound-Any help is appreciated

Posted @ Thursday, December 15, 2011 10:30 PM by Joe

I have a 1997 base 4x4 5.7 silverado truck. Will the transmision (without modification) go into a 1998 4x4 s10 blazer 4.3 4x4? Wire harness, bell housing, tail shaft, computer perimeters are they the same.

Posted @ Thursday, December 15, 2011 10:57 PM by Anthony Rogers

i have a 1993 gmc k1500 with a 4l60e it tries to pull forward in all gears including park?? Any help??

Posted @ Monday, December 19, 2011 6:54 PM by alex

1988 chevy silverado 1,2 and reverse fine 3r and fourth like neutral. manuel shifts the same. what do you think? thank you

Posted @ Thursday, December 22, 2011 10:54 AM by mark

I have 1999 chevy 4x4 half ton with a 4l60e works fine other then sometimes when you put it in reverse it sounds like it pops out and grinds but sometime it works fine how can i fix this.

Posted @ Thursday, December 22, 2011 2:51 PM by Joe

i have a 95 chevy k1500 4wheel drive with what im guessing is a 4l60 but i dont know with a 350 tbi and has had the # 26 symptoms before with addition to (not down shifting at wot) but just the other day it felt like it was trying to take off in 4th gear and at wot not doing nothing just lugging along i have replaced the t.p.s but didnt do any good and btw the speedometer ond rpm gauge along with the little red ligt that show what gear your in all quit working at the same time any help would be aprechiated. thanks

Posted @ Friday, December 23, 2011 10:37 AM by ryan

Posted @ Friday, December 23, 2011 10:42 AM by ryan

I have a 99 chevy silverado ext cab with a V6 motor. When I start my truck and put it into gear, it has a jerking motion, and stops when it warms up, I checked the trans. fluid and I added some, and it does the same thing, any suggestions out there on what I can do before i send it to the hospital.

Thanks

Daniel Morris

Posted @ Saturday, December 24, 2011 9:53 AM by Daniel E Morris

2002 Chevy Astro (4l60e), R, 1, 2 are fine, drive is like neutral and will go no where at a stand still, can manually start in first, manually shift to 2nd and manually shift to 3rd, once 3rd is engaged can shit to d and it will grab if not under heavy load

Posted @ Tuesday, December 27, 2011 2:17 AM by Ted

4L60-E acting erratic, Over-Drive engages & dis-engages constantly with no throttle position change when cruzing at normal highway speeds (AU-110kph/US - 68mph), gear selection is poor & sometimes pushes foward when trying to stop at lights then hesitates when accelerating off from lights

Posted @ Wednesday, December 28, 2011 9:12 PM by Ozzy

Yes I have a 2000 silverado it's a really good truck but sometimes when I get on it hard from the start it gets up and moves just fine but when it shifts from first to second the transmission takes about a second before it switches over and it feels like it's out of wack and I would loose a race every time just because of that poorly shift and also it feels like it looses a little power also. I thought of getting a new transmission with a shift kit but if I don't need to then I won't. The transmission has 194k on it. And was also used for hauling and the person before me dogged it every chance he got with a trailer on it. What do I do?

Posted @ Saturday, December 31, 2011 8:55 AM by Chris

I have a 1995 Chevy G10 Van,in 1st gear its feels like the brakes are applied. Had it tested to see if it was throwing any codes and it isn't,it was suggested to rebuild the tranny, so we bought a kit and did, found a couple gears that had a little wear on them. Put it back in and same thing. Anyone have any suggestion must get my work van back on the road ASAP!

Thanks Jerry

Posted @ Sunday, January 01, 2012 10:35 AM by Jerry

Posted @ Thursday, May 12, 2011 8:44 PM by kwame thomas

just wondering if you got you truck fixed and if so what you did to fix it? Having the same issue with my 4L60E.

Thanks

Posted @ Sunday, January 01, 2012 10:37 AM by Termite

when I go Wide open throttle only and when my car is supposed to shift into second gear , it feels like neutral and the engine just revs. Until i let my foot off of the gas. I think that is a better way to describe this problem.Everything is normal at part throttle regular driving. Been driving it like this for 2 years! Anyone out there have any more ideas? burned band? Please let me know

Posted @ Sunday, January 01, 2012 10:30 PM by John Wayne

1993 g m c 1500 truck driven in first gear. the speed meter in the dash inside not working.

Posted @ Tuesday, January 03, 2012 5:58 PM by Burton Petersen

i have a 96 s10 blazer and i rebuilt my trans but when i put it in N it will roll forward and act like its in park when u try to push it backwards if any one has any ideas plz let me no

thanks john

Posted @ Sunday, January 08, 2012 1:38 PM by john

1995 chevy z71. 4l60e transmission is stuck in drive, put it in park and it feels like its still trying to engage forward. put it in reverse and it goes forward same with nuetral and so on... anyone know what would cause this and is there a solution besides rebuilding it??

Posted @ Monday, January 09, 2012 5:55 PM by kevin

I have a 2000 tahoe that when in overdrive has an intermitent shake at low rpm. once up to around 60 mph and above seems to be not as bad. Works fine in all other gears and rpm ranges. the shake seems to be becoming more frequent and at higher and higher rpm's.

Posted @ Tuesday, January 10, 2012 6:00 AM by robert taylor

I have 2001 Astro AWD. It is in limp- in mode. I get codes of PO751 and PO756. What can be done to fix the problem?

Posted @ Tuesday, January 10, 2012 8:14 AM by Bruce

My transmission filter fell out and laid in the pan,the service engine light came on.The code was transmission slippage.When i fixed the filter,I lost 1 n 2 gear.What could that be?

Posted @ Tuesday, January 10, 2012 10:50 AM by Robert

I have a 06 silverado that skips from 1st to 3rd gear. I was wondering if anyone can give me some insight about the problem.Was told it needs a new trans. Thanks

Posted @ Wednesday, January 11, 2012 6:11 PM by Josh Heston

i have a 1999 camaro and it used to shift fine now when i floor it, it wont get above 3000rpm and it never shifts so unless the car is in park the car has almost no pick up can someone tell me whats wrong ? please

Posted @ Thursday, January 12, 2012 8:51 AM by darian

i,m not a professional but i,ve rebuilt a couple of trans for myself i just rebuilt a 4L60E in a gmc for my nephew and it worked fine for 60 miles i put in a shift improver kit and a Borg warner trans kit.and now there is no D or OD i replaced sun shell and a couple of other parts that were badly wore. i would be greatful 4 any help. thanks

Posted @ Friday, January 13, 2012 7:13 PM by mike

my 1997 s-10 has been shifting hard in 2nd gear only all other gears are fine then the lower trans line blew off lost fluid put line back on filled fluid went about 5 miles blew line off again can you help with cause

Posted @ Friday, January 13, 2012 8:02 PM by terry

Posted @ Friday, January 13, 2012 8:05 PM by terry

2003 trailblazer. 1-2 shift normal, 3rd shift will rev high, 3500 rpm or higher. like there is no TCC engagement.

Posted @ Saturday, January 14, 2012 10:03 PM by deejaaa

have a 99 suburban 5.7l 4x4. i just put a rebuilt 4l60e tranny in a month ago. after 2 weeks it started to slip a little when going into 3rd/drive and 4th/OD. now is lost both those gears the other day but was able to drive home shifting manually from 1st and 2nd. reverse still works. so since this problem gradually got worse would it be the drive clutches or a broken sprag.

Posted @ Monday, January 16, 2012 11:53 AM by mike steinberg

I have a chevy 2500 hd with 6.0 transmission harsh shifts all gears torque converter not locking in 4th gear. any suggestions?

Posted @ Monday, January 16, 2012 3:08 PM by kurt fleury

4L60-E acting erratic, Over-Drive engages & dis-engages constantly with no throttle position change when cruzing at normal highway speeds (AU-110kph/US - 68mph),

Posted @ Wednesday, January 18, 2012 7:54 AM by dennisg

I have a 03 Silverado. My truck has a slow acceleration from the go. Once it gets going it runns great. However at times it also pulls when acceleration starts. Wondering if this is a Tranny problem.

Posted @ Wednesday, January 18, 2012 11:59 AM by jose

I have a 02 GMC Sonoma ZR2 4x4 with a 4L60E. The problems I'm having are:

Shifts from Park to Reverse or Drive after the truck sits and cools down take power (1200RPM) to move the truck. Also my shifts are not from they are long and drawn out. Around 45-55 MPH my transmission acts like it can't find a gear jumping a few hundred RPM until I'm past 60 MPH then its fine. Also my tachometer is always around 2000-2200 RPM at highway speeds. To me that seems kinda high. Note tranny fluid and filter has been changed at scheduled intervals. Have the correct amount in tranny and fluid does not smell burnt. There is no grinding, clunking, or hard shifts. Thank you for your time. Local tranny shops have blown me off

Posted @ Friday, January 20, 2012 9:34 PM by Martin

I have a 01 silverado 4.8L with a 4L60E that went out. I bout one that came out of a 99 suburban 5.3L. I noticed there is a difference in the torque converters. I cant use my old one because of metal shavings contamination. If I buy a new one will it fit that trans from the 99?

Posted @ Saturday, January 21, 2012 8:40 PM by steve

I have a 95 chevy tahoe 2 door 4 by 4 and my problem I drove it went in my house came back outside 5 minutes later started it and my gauges didn't work my rpm gauge and and how fast I'm going gauge and the light that says it's in park does not turn on. can anybody help me with that

Posted @ Saturday, January 21, 2012 11:54 PM by mike

My 2001 Chevy Tahoe makes a swooshing grinding noise in overdrive. It starts at 40 mph and ends at 50mph. Can someone please tell me if they have experienced this or if they know what could be the problem? Thanks Mike.

Posted @ Sunday, January 22, 2012 3:50 PM by Mike

I just swapped transmissions in my 1990truck chevy c 1500. Upon start up I hear what is best described as a grinding noise. I removed the flywheel/converter cover thinking that was it, but it still is making the noise. Any thoughts??

Posted @ Monday, January 23, 2012 4:09 AM by jerry

Hard lesson learned. A 99 5.3L Tahoe 4L60E WILL NOT work on a 01 Silverado 4.8L. It bolts up just fine when you change the bell housing but, the torque converter, input shaft, and the pump are different. Dont waste your time!!

Posted @ Tuesday, January 24, 2012 12:26 AM by steve

i have a 94 chevy silverado 1500, 5.7 with 4L60E, just rebuilt a few months ago. has been working fine until today, on highway it feels like im in 1st and it wont shift out. rpm is 3500 and at 55mph. reving high.

Posted @ Wednesday, January 25, 2012 4:23 PM by trevor

Hey..I took my Transmisión to a transmission shop they did a complete rebiult..after that I install the transmission by my self and everythig after All the work I try to drive it but it don't won't to shit till 6000 rpm to second n is burning a lot of gas bc it don't shift please helpe.....

Posted @ Thursday, January 26, 2012 12:18 AM by abraham

Last week my 98 zr2 started to flutter rpms when between 55 and 60 mph. Today it revs up hard when shifting from 2-3. Also if i have a hard take off once i let off the throttle and put it back down it slips. Rebuild?

Posted @ Thursday, January 26, 2012 6:25 PM by Richard

I have a 2002 ford excort zx2. When I parked on an incline... I put the car in 1st gear and put on the emergency break and it is coasting back. What is the possible cause of that

Posted @ Thursday, January 26, 2012 9:32 PM by Jamie

I have a 93 gmc 1500 5.7L TBI with a 4L60. what i need to know is will a 2000 4L80E work in it?and what do i need to do for it to work

Posted @ Friday, January 27, 2012 7:26 PM by Brian

1990 chevy 700r4 warm up ok ?

Posted @ Sunday, January 29, 2012 12:42 AM by mike

I haven't checked I guess to see...little nervous to let it run to long not knowing what is causing that sound.

Posted @ Sunday, January 29, 2012 4:04 PM by jerry

I have a '97 buick lesabre with the 4 speed w/o.d. autotrans. my problem is when going up a hill, the trans shifts kinda hard. is this an issue with the overdrive?

Posted @ Sunday, January 29, 2012 5:17 PM by william rogers

I have a 2001 Suburban with the 8.1 liter engine. It currently has 105k on it and I just noticed it'll rev to 4500 before shifting out of 1st. The dealer said the tranny is shot due to the mileage a replacement is in order. is this true? Thanks

Posted @ Tuesday, January 31, 2012 1:24 PM by shon

94 chevy truck 2500 all forward gears even in park and reverse and neutral whats up with it please help

Posted @ Tuesday, January 31, 2012 4:08 PM by mike

I recently had my 460E rebuilt with all new parts. I've noticed at 65-70 MPH when it down shifts sometimes it revs to 4000 rpms and gears slip then the clutches grab and starts pulling. It has larger Corvette servo and torque converter locks in overdrive. I was told it could be a faulty throttle body. It has extra clutches in 3rd 4th gear pack. What should I check for? Did I get a bad rebuild?

Posted @ Monday, February 06, 2012 3:45 PM by jimmy davis

Did they change all the soleniods or just the shift soleniods? the frist thing you have to ck is the 3-2 downshift soleniod maybe faulty if not sounds like the vavle body could have a cross leak

Posted @ Tuesday, February 07, 2012 4:32 AM by paul

my 4l60e works fine but reverse has nothing

Posted @ Sunday, February 12, 2012 2:24 PM by gordon grantham

I have a 99 Chevy suburban and just recently while driving it starts to slip out of gear and the idle goes crazy it will idle really high then idle will go down and the truck will die. Someone said it was a silinoid in my 4l60 e trans. Could someone possibly help with a diagnosis.

Posted @ Monday, February 13, 2012 10:37 AM by trista

I have an 07 trailblazer ss with a 4L70 and it just started not shifting at WOT between 1-2. As described in your 4L60 blog #2. It shifts if you lift off throttle. Any ideas on this problem.

Thank you for any knowledge and advice. nice website

Posted @ Monday, February 13, 2012 2:44 PM by kevin jester

Pulled the tranny fuse and slipping reverse worked put it back in and put it in drive and goes fine just tried it again after now slipping again.
Boost valve ?

Posted @ Tuesday, February 14, 2012 5:28 PM by joe

I have a 1994 chevy p/u 1500 2 wheel drive the trans will work fine and smooth 1st and 2nd gear the check engine light turns on then 3rd and 4th gear and o/d shift smooth, but when you bring it to a stop 1st,2nd gear shifts harsh and at high like @20mph and3rd and 4th like at 45

Posted @ Wednesday, February 15, 2012 11:21 PM by gus

i have a hyundai starex automatic transmission and the reverse and park does not work and when i shift it to park i hear a sound

Posted @ Thursday, February 16, 2012 8:46 AM by jericho

I have a 2000 chevrolet 1500 5.3 2 wheel drive. When i put the truck in drive it wont do anything but i can put it in first and it will take off then shift to second and after it hits second i can put it in drive an it will work properly through all gears until i take it back out of drive then i have to start over. I can also unplug the TPS an itll work fine just shifts a little to early. I have replaced the TPS and the VSS and checked all the wires that i saw on the trans. any ideas what to try next?

Posted @ Thursday, February 16, 2012 3:46 PM by caleb field

I have a 2005 Chevy silveraldo with the 4l60e trans. Evrytime I'm on the interstate running at 65/75 it sounds like the tranny is grinding. But when I let off the gas it quits. Then I give it gas and it starts grinding again. Does anybody know wat is causing this?

Posted @ Friday, February 17, 2012 7:07 AM by joe

My 06 Honda Odyssey's check emission light came on this morning and now it will not shift out of 1st gear. For a time, it has been a pausing feeling when it would shift from 1st to 2nd.

Seems like separate issues, with the emission light, but was wondering what could be going on with the transmission.

Posted @ Friday, February 17, 2012 7:34 AM by Patrick

Posted @ Friday, February 17, 2012 7:54 AM by Patrick

I have a 2003 silverado i have totake between 4000 and 5000 rpm and let off before it will shift from 1st to 2nd and it will not shift to other gears reverse is fine any ideas?

Posted @ Saturday, February 18, 2012 12:05 PM by ken

2000 chevy s-10 blazer 4.3 4 wheel drive automatic,could someone tell me spit out a code for torque converter solinoid circuit,is this easy to fix or replace thanks any input would be great.

Posted @ Saturday, February 18, 2012 12:20 PM by james lisofsky sr

I have a 2004 Chevy Blazer 2WD. If I give it more than 50% TH it slips when shifting. I had a full rebuild about 1yr ago. But the valve body wasnt touched. Could it just be the solenoid?

Posted @ Monday, February 20, 2012 5:29 PM by Jeremi

2002 gmc sierra 2wd v8 4.8l i lost 3rd gear not sure if i have 4th gear cause cant pass 3rd gear

Posted @ Tuesday, February 21, 2012 5:02 PM by herb

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30 Common 4L60E Transmission Problems & Repair | Charlotte NC

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30 Common 4L60E Transmission Problems & Repair | Charlotte NC

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