4l60e Transmission Problems No Forward Or Reverse

the input shaft is driving faster than the output shaft b. I've got a 1994 GMC Sierra 4X4 5. Check for there being three complete shifts of the forward gears. It slips in all gears and will sometimes take a while to shift, but it shifts into all gears before 3500 rpms, and reverse always works. Test kickdown operation from 4-3 and 4-3-2. - I have used this site for a long time but this is my first time having to post. Everything else feels like it's in neutral. On the low-reverse boost valve, measure the long valve land for size. This clutch pack can be totally omitted from the transmission and the feed hole plugged and you would still have 1st gear forward range, you just would not have any engine braking in 1st gear. External cooler. I was wondering what I could look for in the valve body area that could cause this, before re pulling this transmission for a third time to look for burnt up clutches inside. No Movement with shifter in "Drive" or "3" range: This problem has really surfaced in the past few years with the 4T65E transmission and will catch you off guard for seemingly no reason. The forward sprag can also be a wear item, and should be available. is the 2-4 or "intermediate-overdrive" servo. Expect a $1500 to 2000 bill. Turned our 2005 Yukon SLE off and waited for a few minutes and transmission started working again. I have a 1992 metro 1. The problem is that with the shift lever in position D, the gears 1, 2 and 3 freewheel. 4L60E transmissions for Sale Shipped Nationwide. The Problem Suddenly, you have no forward gears in your vehicle. Gauge port location, use 0-400 psi gauge Reverse: 64-324 psi (min/max) Park, neutral, drive ranges 55-189 (min/max) The folowing chart can be used to determine pressure using. When the drive shell fails, the results is no reverse, 2nd gear or 4th gear. May 11, 2018- Explore chuckmauer's board "4l60e transmission rebuild" on Pinterest. The 4L60E and its variants were in production from 1992-2013 and can be identified by the square 16 bolt oil pan and 4 forward gears. Another common problem I found on the 4L60E transmission was the solenoids going bad. TSR Racing Products - Your source for powerglide,th350,th400 and a727 transmissions. At 42,000 miles, the transmission failed (wouldn't go forward or reverse). They tear the center out of the shell, which will cause it to spin on the shaft and lose reverse gear. And when going down the road at about 40 and try to shift manually in 3rd still nothing just rev. GM 4L60E, 4L85E, and 4L70; Ford 4R70W/75W. Put it in D and see if it will go. 4L60 (700-R4) Diagnosis Fundamentals. if you see no fluid try to drive it with the plug unplugged in reverse. The BIGGEST problem with the 4L60E is the huge lack of knowledge and qualified builders. That supposedly superior "front planet" split into (2) parts inside the transmission although it is one molded piece. Long story short, old transmission is shot, new transmission that was a fresh build, will not engage any forward gears. In a 4L60E transmission the lo roller clutch is holding in a. The 4L60E and its variants were in production from 1992-2013 and can be identified by the square 16 bolt oil pan and 4 forward gears. You will not be able to use the shifter to get manual 2nd to start, as 2nd uses the. The stabilization flats on the inboard end of the spool maintain oe flow, but provide continual valve support while stroking. It is only when I stop at a stop sign or red light this will happen. There was no noise, no smell, it was a big surprise. 00 Add to cart; 727 / 46RE / 47RE / 48RE, 48re direct drum and Piston. NO Core Charge. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. The pump stator has one of the most important jobs and that is to hold the shaft steady while the input drum assy is turning, anywhere from idle to 5500 rpm (stock vehicles). If I put it in reverse or neutral it goes forward, like it is in drive. He just finished putting a 4L60E in my '97 GMC Sierra Z71 yesterday. I have kind of a very similar experience going on right now. The only real difference is the name. According to some of the PCM editing companies it is not possible. 4L60E 1995 4X4 TRANSMISSION 5. Mercury Grand Marquis Transmission Failure Common Due to Front Pump Failure - 132 reports. The boost valve had slipped and ALMOST came out. It slips in all gears and will sometimes take a while to shift, but it shifts into all gears before 3500 rpms, and reverse always works. More than likely the reverse input snap ring has sheared or snapped off. that is really weak in reverse. What could cause my AODE (or 4R70W) to lose 3rd gear, and Overdrive? This could be a small or large problem. i have a 95 sierra, 4l60e trans. If your car has an automatic transmission then you do not have to change any gears at all unless you decide to back up and need to use reverse but moving forward you will have a gear box that will change the gears automatically for you. Although you may have some of these symptoms / problems with your 4L60E Transmission, the repair solution may differ. It slips in all gears and will sometimes take a while to shift, but it shifts into all gears before 3500 rpms, and reverse always works. Look in the reverse input drum and down in the bottom of the case at the L/R clutch pack. They've been a weak link in the 700R4/4L60E's for years. Remanfactured 4L60E Automatic Transmission for. This heavy duty / high performance 4L60E transmission has all of the updates and features of our high performance 700R4 transmission. Can feel it shift all other gears except from D to OD. I am not a transmission rebuilder, just simply a home mechanic saving money I take no responsibility if you do this yourself and stuffup. Symptoms of problems with the switch can include no reverse, no forward upshifts, or neutralizing when accelerating from a stop. Automatic Overdrive Transmission Swap. Today I tackle another trans from the Krusty Kenny Garage. Slow, slipping or no reverse: "lo-reverse" clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. My transmission had no metal in the pan after. But it's a good thing that they were included because the ones in the transmission were baked on and some of the check balls were in the wrong spot. Then it shuttered when it was in 4 wheel drive. No, If you do not have 1st gear engine braking or reverse, you have an issue with the low/reverse clutch pack. the manual position switch on the side of the linkage broken. Check the TV cable to insure that it is the right part for the vehicle. Buy 4L60E 4L65E Transmission Forward and Reverse Abuse Valve Kit: Valve Body Kits - Amazon. 4l60e problems not shifting to 2nd and 4th? This is a discussion on 4l60e problems not shifting to 2nd and 4th? within the Automatic Transmission forums, part of the Drivetrain category; Originally Posted by Cutlass I still think its the sunshell I agree with you too but that still having reverse. The series includes 4 forward gears and 1 reverse gear. I unhooked the rear drive shaft and the rear end is fine, so it's the t-case or transmission. May also have worn boost valve. Move the selector lever in position D and drive with partial load 20 m / 70 ft forward, then brake to standstill. Along with fixing these common problems, you'll also see an increase in the life of your transmission due to the reduced slippage. The BIGGEST problem with the 4L60E is the huge lack of knowledge and qualified builders. 1 March 2014 Contact us 8:30 a. Going down the road all the sudden I have no forward or reverse gears exactly like mychevz71. Doesn't matter if it's 1st, 2nd or D or no OD, nothing. The 4L60E is a four-speed, electronically controlled automatic transmission used in light-duty trucks made by General Motors (GM). Common failures on 4L60E, symptom -> cause -> any possible repair: 1. I read a list that said my 2010 Sierra had a 4L60E but it is in fact the 6L80E - if you have 6 gears, you almost definitely have this transmission on a 1500 truck from this era (the heavy duty trucks have a 6L90E). The stabilization flats on the inboard end of the spool maintain oe flow, but provide continual valve support while stroking. Information on transmission specs is provided along with maintenance data. We believe you will not find a better performance transmission anywhere! Below are the details of our Street Cruiser (LEVEL 1) built Transmission, which is suitable for applications up to 450HP. P-R-N-D work, upshifts are erratic and occur at random engine speeds, will not upshift from first gear (no upshifts at all): This problem seems very serious in nature but in fact this is something very simple to fix. When I lost reverse on my Suburban I had everything looking near new in the reverse input drum but the L/R clutches were fried. (I assume you have a 4l60e trans). MechanicAdvice) submitted 2 years ago * by psychnurse84 I have an automatic 93 Ford Explorer 4x4 that had the transmission cooling line brake and spat out all of my fluid. needs another 3 or so quarts. circuit and read tach – Should be 200-300 rpm gain. 4l60e problems not shifting to 2nd and 4th? This is a discussion on 4l60e problems not shifting to 2nd and 4th? within the Automatic Transmission forums, part of the Drivetrain category; Originally Posted by Cutlass I still think its the sunshell I agree with you too but that still having reverse. It was slipping and having problems when I decided to rebuild it. Completely silent. It has been considered to be the best rendition of the finest. I unhooked the rear drive shaft and the rear end is fine, so it's the t-case or transmission. 4L60E Performance Specs The 4L60E transmission is designed to handle a max engine torque of 360 lb-ft. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. Move the selector lever in position R and drive with partial load 20 m / 70 ft reverse, then brake to standstill. Just second gear. If you are able to remove and reinstall your 4L60E transmission but do not want to take on the job of rebuilding it, you have come to the right place. 3L V6 engines. No movement at all just in reverse, which Is normal reverse. this will. you can determine which with simple test: drive forward and shift up to say 2nd or 3rd gear, not above 20mph max! take foot off accelerator and pull shifter into. This problem is the NUMBER ONE most overlooked issue by other rebuilders. The problem is internal to the trans, and there are several possibilities. My Transmission was slipping and started to mess up, eventually it stopped working all together and when you put it into drive it would not move at all would just rev. Unique kits re-calibrate the transmission to shift far more efficiently. This really bothered me because I thought I had some serious internal problem and I would have to take the transmission out, which is a major pain in a Corvette because of the C beam that joins the transmission and differential (there is no rear motor mount). This billet aluminum reverse servo piston assembly puts an end to failure of the OEM cast aluminum reverse servo piston. If the pan looks good, and the fluid looks clean, than it's. May also have worn boost valve. I'd say its a big step forward because the transmission is no longer stuck in a diagnostics/safety mode and it registers the inputs and outputs well. The 4L60E and its variants were in production from 1992-2013 and can be identified by the square 16 bolt oil pan and 4 forward gears. I have a 2002 Chevy Impala LS 3800 series 2 with a 4t65e transmission. This isn't a transmission you're going to build correctly, using at ATSG assembly manual or a YouTube video. Lubricate the seals with assembly lubricant J 36850 or an. I have managed to control the shift and torque converter solenoids, and everything works pretty nicely -- almost. two problems with the 4l80e one could be line pressure, the other the 80e has a fail safe that wont let the trans shift to reverse if it senses a speed of greater than 8mph. Slow, slipping or no reverse: "lo-reverse" clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. GMC Yukon, Yukon XL Transmission Problems 30 posts Sep 26, 2010 Chevrolet Suburban and Tahoe No Start problems 30 posts Apr 27, 2009 More results from forums. 4L60E Performance Specs. Honda units have a unique problem with their gear position switches. I can mess with the drive selector or shut off the car and start it again and go for a bit and then the same thing all over. If you are rebuilding a 4L60E transmission, get a good manual, either a factory service manual, or the ATSG 4L60E guide. If the transmission in your truck is a GM 4-speed OD 4L60E, then it is electronically controlled, but other than that it is nothing fancy. Why Will My Car Go in Reverse But Not Forward? by David McGuffin If you are driving an automatic transmission vehicle and it can only go in reverse, you may have a serious transmission issue that can only be solved by a mechanic. is compatible with both forward- and reverse-pattern valvebodies. Information on Gear Ratios, Overall Length, Input Shaft, Weight, etc. The first culprit could be the low reverse clutch pack, where the disks are too worn out to engage reverse gear. It is possible to remedy a fluid problem by removing the checkball from its cage in the case in the rear of the trans may help (must remove valvebody), or adding a high-viscosity additive such as Lucas Transmission. For the low-reverse boost valve a 0. Sonnax forward and reverse abuse bore plug 77754-21 resolves these problems. Below is a list of the weak points in a 4L60E transmission. Turned our 2005 Yukon SLE off and waited for a few minutes and transmission started working again. There are number of things that could cause this - solenoids, hung lip seal, etc. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. I'm trying to shift the gears in a GM 4L60E transmission. But it's a good thing that they were included because the ones in the transmission were baked on and some of the check balls were in the wrong spot. I have been told that transmission problems are common in the late 90's and early 00's GMC 1/2 ton pick ups and suburbans. I've read post about the code 1870, but I have had no engine lights, or any problems at all, before tonight. 10 Most Common Transmission Problems. 3 W engine & a 4L60e auto trans. It is possible to remedy a fluid problem by removing the check ball from its cage in the case in the rear of the trans may help (must remove valve body), or adding a high-viscosity additive such as Lucas Transmission. mistertransmission. You will not be able to use the shifter to get manual 2nd to start, as 2nd uses the. 700r4 Reverse only, no forward gears. I assumed it was either the torque converter, or the pump. Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. TIME TESTED • INDUSTRY TRUSTED Transmission Report Volume No. Also I can have. The only "servo" in that trans. Reverse failure is a somewhat common problem, and the forward gears are next. GM 4L60E, 4L85E, and 4L70; Ford 4R70W/75W. drove it about 5 miles and went in limp mode could not go over 35mph. It has been considered to be the best rendition of the finest. 545rfe transmission wiring diagram. This problem is the NUMBER ONE most overlooked issue by other rebuilders. checked for codes and nothing. The motor will rev up, but there is no response from the transmission. To add to the No reverse, my first gear is slipping only when I let off the gas pedal. This clutch pack can be totally omitted from the transmission and the feed hole plugged and you would still have 1st gear forward range, you just would not have any engine braking in 1st gear. It is only when I stop at a stop sign or red light this will happen. 1999 to 2016 Super Duty - 4r100 no reverse moves forward in neutral fix - 2003 e350 s. sounds like the low/reverse clutch pac. If the transmission is subjected to heavy use, an upgraded, full-complement roller forward sprag is strongly advised. More than likely the reverse input snap ring has sheared or snapped off. I bought my Tahoe new in 02. Re: 4L60e transmission By the way, I got the transmission on 3/10 and spend 5 nights at 3 hours each swapping it out. 93 Explorer 4x4 Auto Transmission, reverse fine, forward good luck (self. with a carburetor in my 94' silverado with a 4L60E transmission but now the transmission is working properly, it only has drive & reverse no 1st. 2L I-6 Engine and Drivetrain > Transmission Mods: 4L60E no shift to 3rd beyond 2nd gear it but that worries me going forward. We have not one but two 4L60E's with problems, going to make one out of two Thanks for watching!. When the drive shell fails, the results is no reverse, 2nd gear or 4th gear. The typical turbo 350 has three speeds forward and one reverse. The one in my friends' '98 Suburban looks the same as the one in my wife's '02 Silverado with a 4. Drive through first does not work - the. There are too many "builders" out there who are promising things that are above their grade levels. It does not appear to be slipping and drives fine. check balls in wrong area,shift solenoids not hooked up,the fluid still low if the torque converter was also drained completely. Re: 4l60e no 1st / not shifting to 4th: Don :-{) 6-12-08 : JUST GOT OVER THAT SHIFT PROBLEM '93 ASTRO WITH 4. GMC Yukon, Yukon XL Transmission Problems 30 posts Sep 26, 2010 Chevrolet Suburban and Tahoe No Start problems 30 posts Apr 27, 2009 More results from forums. A 4L60 is a 700-R4. One of the most common 4L60E transmission problems is the complete failure to engage reverse. How can I determine if I have a bad pump or a bad torch converter. The 4L60E/4L65E/4L70E and 4L75E transmission is one of the most popular and most frequently asked about transmissions. Has GM ever recalled this 4L60E for repair of the "No Reverse" issue? Through Net searching I found this problem has occured since day 1, 1994. The most common problem is probably going to be the low reverse clutch pack. Transmission has no forward pull but goes in reverse without any problems. 4L80e Transmission Rebuild. It's exactly like it was in neutral. I think you're going to have to pull it again. The 4L80E transmission is the advanced progeny of the legendary TurboHydramatic TH400 automatic transmission, and is based heavily on the 400 in both parts and strength, yet featuring an added overdrive gear, a lock-up torque converter and advanced electronic controls. Almost all instances of this problem are caused by excessive clearance in one of three pump areas, two of which are addressed here. If the transmission is subjected to heavy use, an upgraded, full-complement roller forward sprag is strongly advised. It is only when I stop at a stop sign or red light this will happen. This lets me eliminate the Low/Reverse clutch circuit as a possible cause. Otherwise you must repair 4T40E / 4T45E. It is possible to remedy a fluid problem by removing the checkball from its cage in the case in the rear of the trans may help (must remove valve body), or adding a high-viscosity additive such as Lucas Transmission. Can feel transmission engage in all but Reverse. I read no pressure at all. The most common problem is probably going to be the low reverse clutch pack. The 4L60 E does not have a low reverse band it has a low reverse clutch,if the transmission has forward range, low reverse clutch is holding, If the transmission uses the external NSBU switch behind the linkage,It can cause this concern if it's bad. transmission problem-no reverse Problem Diagnosis Car Reverse and and one forward gear gone points to sun shell. Kit raises clutch pressure slightly to prevent slippage and burn-up, an advantage for heavy-duty, plowing or repetitive forward-reverse maneuvers. No movement at all just in reverse, which Is normal reverse. I have a 95 Camaro z28 wit the 5. 4L60E Performance Specs. 00 Add to cart. The stabilization flats on the inboard end of the spool maintain oe flow, but provide continual valve support while stroking. Chevrolet Traverse Transmission Problems. 4l60e transmission problem - Shutters. 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. My dealership has record of this. 700R4 / 4L60 / 4L60E, REVERSE INPUT DRUM, 3/1987-UP NO CHECK BALL, LARGE FEED HOLE $ 59. Miller AUTO 211 4L60-E 28. Still no forward gears, reverse slams right in. My dealership has record of this. We may have to pony up the big bucks form transmission control. 95 4l60e not shifting past 2nd 30 Answers. No signs of transmission issues before this. Clunk, and now no forward movement but still have reverse: Likely a broken sprag. I think you're going to have to pull it again. A 4L60 is a 700-R4. Checked out the pump, and there was no problem. This can cause problems similar to a malfunctioning transmission. RE: only reverse in transmission I'm not a transmission repair person but when I was younger and had 3 and 4 speed transmissions I had a couple go out on me and when they went out I always had reverse and some times I had reverse and high, and the fluid was always still good, in my case it was from racing that caused the transmission to go out. If transmission now has 2nd gear starts, there’s no problem with the band or servo! This leaves either a defective shift solenoid “A” or a solenoid over feed problem. The 4L60 E does not have a low reverse band it has a low reverse clutch,if the transmission has forward range, low reverse clutch is holding, If the transmission uses the external NSBU switch behind the linkage,It can cause this concern if it's bad. More Information. The pump stator has one of the most important jobs and that is to hold the shaft steady while the input drum assy is turning, anywhere from idle to 5500 rpm (stock vehicles). it barely pulls the weight of the truck. Honda units have a unique problem with their gear position switches. The 4L60E and its variants were in production from 1992-2013 and can be identified by the square 16 bolt oil pan and 4 forward gears. The 4L60E/4L65E/4L70E and 4L75E transmission is one of the most popular and most frequently asked about transmissions. I assumed it was either the torque converter, or the pump. 8 so you could possibly switch bellhousings if needed to correct spacing. Common failures for the 4L60E Home symptom -> cause -> any possible repair 1. 93 Explorer 4x4 Auto Transmission, reverse fine, forward good luck (self. I'd say its a big step forward because the transmission is no longer stuck in a diagnostics/safety mode and it registers the inputs and outputs well. I can spin the driveshaft by hand in the forward rotation and it will make clicking noises, but when I try to turn it in reverse it will not turn easily by hand. and for the tranny shops saying no known problems , thay are full of s#%t and were blowing smoke up your u know what. I have 2004 f-350 150000mile on the 5r110w and all the sudden the transmission was stuck in drive you put in reverse and it wanted to go forward and in neutral the same thing. Without warning the transmission made a loud bang and I lost overdrive. 4L60E PISTON forward clutch aluminum from input drum GM CHEVY 700R4 4l60e Transmission Inspected by an ASE Certified Master Technician with 23 years Transmission rebuilding experience. This is 1,2 and reverse wasn't an issue per the OP (it is a 4L60E). My problem was different from yours but he built me a transmission with a new torque convertor, all new solenoids, heavy duty "Beast" sunshell, Z-pack (14 clutches for 3rd & 4th gear vs. Expect a $1500 to 2000 bill. This article applies to the Chevrolet Silverado GMT800, GMT900, and K2XX (1999-Present). Reverse also works fine. A loud pop in this particular transmission with no reverse following usually means a broken sun shell. This includes a new torque. Clutch, Transmission, Differential, Axle & Transfer Case - 4r70w no forward gears, only reverse. 4l60e no forward or reverse gears operating or a transmission problem or both ,it seemed to shift fine before this and didn't feel like it was slipping in any of. RE: only reverse in transmission I'm not a transmission repair person but when I was younger and had 3 and 4 speed transmissions I had a couple go out on me and when they went out I always had reverse and some times I had reverse and high, and the fluid was always still good, in my case it was from racing that caused the transmission to go out. If you have a 1996-2000 Camaro/Firebird then you will need to use your old tail shaft housing, this 4L60E transmission does not have the housing with torque link mount for this model. She said years ago they had tranny trouble; it would stay in low. I have a 1994 6. Strangely enough, the reverse works effortlessly. There are too many “builders” out there who are promising things that are above their grade levels. Gauge port location, use 0-400 psi gauge Reverse: 64-324 psi (min/max) Park, neutral, drive ranges 55-189 (min/max) The folowing chart can be used to determine pressure using. Transmission electrical diagnosis troubleshooting help on all your transmission problems or questions. This clutch pack can be totally omitted from the transmission and the feed hole plugged and you would still have 1st gear forward range, you just would not have any engine braking in 1st gear. What would happen if you put a car in reverse while driving forward? "The main problem you're going to be fighting is what you're trying to get the thing to do is something it really does not. Former automatic-transmission repairer, current welder and hobbyist game developer. A common question regarding the 4L60E is, “what upgrades do you recommend while I have the transmission out, and what can I do if I don’t want to take the whole thing apart?”. net is the home of the Transmission Rebuilders Network offering the leading transmission rebuilder forum in the transmission industry. I plan to keep my th-350 for a while and may even put the 4l60e up for sale and do a t56 in the future. GM 4L60E transmission Specs. i tried the (engine brake in 1st) and it doesnt brake, just acts like it rolls through, all gears foreward pull fine, just problems with reverse. Look in the reverse input drum and down in the bottom of the case at the L/R clutch pack. the manual position switch on the side of the linkage broken. We loaded back up started back out on the road and lost of transmission function in forward and reverse. No Movement with shifter in "Drive" or "3" range: This problem has really surfaced in the past few years with the 4T65E transmission and will catch you off guard for seemingly no reason. To be exactly sure drive it in forward. The name only changed to better identify the transmission. It slips in all gears and will sometimes take a while to shift, but it shifts into all gears before 3500 rpms, and reverse always works. I have got Toyota 110 5A engine with transmission problem; the car starts well but when you engage drive, it delays for like two to three seconds then jerks as it engages the gear then moves. According to some of the PCM editing companies it is not possible. One of the most common problems with this transmission is losing the ability to use the reverse gear, commonly caused by debris buildup. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse. Sonnax forward and reverse abuse bore plug 77754-21 resolves these problems. Hold the brake for 10 seconds. It does not appear to be slipping and drives fine. No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or by any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise, without written permission of Automatic Transmission Service Group. 1994 GMC 4l60e transmission shifting problems 44 Answers. We incorporate all the updates and modifications to compensate for the problems and issues they were born with from the factory. 4L60E trany no reverse - Answered by a verified Chevy Mechanic. 1999 to 2016 Super Duty - 4r100 no reverse moves forward in neutral fix - 2003 e350 s. Mercury Grand Marquis Transmission Failure Common Due to Front Pump Failure - 132 reports. These transmissions are tough and built to handle whatever you dish out. This problem is the NUMBER ONE most overlooked issue by other rebuilders. This really bothered me because I thought I had some serious internal problem and I would have to take the transmission out, which is a major pain in a Corvette because of the C beam that joins the transmission and differential (there is no rear motor mount). I went into reverse, but when I hit the gas, I heard a loud pop and a whine that died out over about 4 seconds. And park works like it's supposed to as well For a transmission replacement, i can just get any old 4l60e? the "transmission perform button" wont have any effect with this? would it be a better idea to just rebuild the current one?. Pull the underhood fuse for the transmission and that will force the trans to default to 3rd with R available. if you see no fluid try to drive it with the plug unplugged in reverse. Hello, Trans connector is located right side middle of the unit right behind the side servo, you have to squeeze the connector to release the tab, dont just pull up or pry or you will break the tab, In my opinion, your problem is the low/reverse clutch is bad, as long as all foward gears work ok. Slow, slipping or no reverse: "lo-reverse" clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. If you have a 1996-2000 Camaro/Firebird then you will need to use your old tail shaft housing, this 4L60E transmission does not have the housing with torque link mount for this model. It is an evolution of the Turbo-Hydramatic 700R4, originally produced in 1982. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. I bought my Tahoe new in 02. 00 Add to cart; 700R4 / 4L60E / 4L65E / 4L70E Loaded Smart Tech Input Drum with Billet Input Shaft $ 1499. The BIGGEST problem with the 4L60E is the huge lack of knowledge and qualified builders. If you have the time to accelerate slowly the transmission shifts with no problem. Transmission made a popping sound (no forward gears, but reverse gears). This list is merely a guide to the possible solutions. To be exactly sure drive it in forward. What would happen if you put a car in reverse while driving forward? "The main problem you're going to be fighting is what you're trying to get the thing to do is something it really does not. We incorporate all the updates and modifications to compensate for the problems and issues they were born with from the factory. Below is a list of the weak points in a 4L60E transmission. This clutch pack can be totally omitted from the transmission and the feed hole plugged and you would still have 1st gear forward range, you just would not have any engine braking in 1st gear. Kit raises clutch pressure slightly to prevent slippage and burn-up, an advantage for heavy-duty, plowing or repetitive forward-reverse maneuvers. The pump stator has one of the most important jobs and that is to hold the shaft steady while the input drum assy is turning, anywhere from idle to 5500 rpm (stock vehicles). I will keep adding to this post as the build takes place. I have a 95 Camaro z28 wit the 5. I have seen several problems with the 4L60e transmission series. This transmission shifted smooth and strong through all gears until today when it stopped all of a sudden to engage either Drive or Reverse. 4L60E Modifications. What could cause my AODE (or 4R70W) to lose 3rd gear, and Overdrive? This could be a small or large problem. Reverse would probably work with a bad VSS. When I lost reverse on my Suburban I had everything looking near new in the reverse input drum but the L/R clutches were fried. This article applies to the Chevrolet Silverado GMT800, GMT900, and K2XX (1999-Present). I'm starting to feel like a broken record these days when I say, "while many have gotten a lot more miles out of them, the typical lifespan for the 700R4/4L60/4L60E transmission is around 100-150K miles" because a lot of people find us when they're. These transmissions are tough and built to handle whatever you dish out. 095" 3-4 steels & all 3 bonded rubber drum pistons are included. John is a fervent writer, gamer, and guitar lover. lockup-no wires needed GM Buick 4L60E 4L65E Transmission Parts. It is possible it's not the frictions; a careful look a the fluid could let you know with a better degree of certainty. Common failures on 4L60E, symptom -> cause -> any possible repair: 1. I plan to keep my th-350 for a while and may even put the 4l60e up for sale and do a t56 in the future. In a pre-1987 700R4 - 4L60 trans a larger low-reverse boost valve will hold off the auto upshift to 2nd gear while the shifter is in manual 1st gear. ther causes of this problem include a broken sunshell or a fluid leak in the reverse hydraulic circuit. Along with fixing these common problems, you'll also see an increase in the life of your transmission due to the reduced slippage.