4l60e Transmission Stuck In 3rd Gear

transmission. (including below signs but not limited) 1, Check Engine Light on. About LinkBacks. [ edit ] Boost valves In a 700R4 - 4L60 non electronic trans, you will want a 0. I do not know for sure which gear but it does not matter if I put it in 1st, 2nd, or overdrive off, it will stay in the same high gear. In fifth gear (. The actual answer depends upon the final transmission output gear ratio. It started by downshifting out of OD at almost any throttle input, everything else worked fine. Transmission won't shift gears: A faulty shift solenoid can prevent fluid pressure from activating the appropriate gear. 63:1), engine speed is 1700 rpm at 60 mph. I've rebuilt Muncie 4speeds and th350s without any issues but this is first electronic trans. The automatic trans is. Need some help on this one. The gear ratios used for this transmission were 2. Confirm clutch is working by noting a drop in engine rpms. Finally threw a P0751 code, stuck "A" solenoid. New guy here, and I have a 2000 1/2 ton 4WD suburban with a 4L60E transmission that is giving me fits. 52 for 2nd gear, and 1. When everything in your transmission is working correctly, in between every shift the engine RPM should briefly decrease on an up-shift (ie: 3rd to 4th gear) to match up with the higher gear. The fluid not being burnt is good, as it would tend to indicate that the higher gear. This has to move in order for the trans to shift, and many shops do not remove it to clean when. The new reaction gear support is a beautiful piece thanks to numerically controlled machining. stuck in 3rd. com and affiliated sites. Confirm clutch is working by noting a drop in engine rpms. The reaction gear support had a lot of wear where it rides in the bushing so I bought a new one. The following article lists some of the many symptoms, and discusses two of the most common causes. The customer had a transmission issue and had a used transmission installed. Just figured my forward clutch pack may be a tad too tight BUT its within all the specifications I've seen from numerous transmission builders posts. The shifting 1-2 is fine, but the 3rd/4th no shifting is still there; it just goes into neutral. Delays into gear with the proper fluid level can be due to internal hard seals or external electronic problems) Droping out of gear around turns. Plus, the truck will never shift higher than 3rd gear, it only shifts between 2nd and 3rd, never using overdrive regardless of speeds at 60+. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. Asking $500 for the transmission and $300 for the transfer case. With much research I found there is a 3rd Gear Accumulator (check ball) above the valve body. Average failure mileage is 137,000 miles. When I start my truck it sometimes is stuck in a high gear, 3rd or 4th. With the pan off I unplugged the pressure switch and can hear the solenoid click. 3rd gear starts, can manually shift through all gears. What Does Kickdown Mean in an Automatic Transmission? By Joe Bruzek. has no 2nd gear,I have it disassembled and can't see anything wrong. If I start from a dead stop in D it will accelerate through 1st and 2nd gears without any slippage and when the transmission tries to shift into 3rd it acts if there is no 3rd gear (revs to moon- no forward motion). It was rebuilt, and now it starts in "limp home" mode. It failed because of a fractured sun shell. Chevy Suburban C2500 (Transmission ID 4L60E) 4 Speed Automatic Transmission Transmission Shift Solenoid: 1993: Chevy: Suburban K1500: Chevy Suburban K1500 (Transmission ID 4L60E) 4 Speed Automatic Transmission Transmission Shift Solenoid: 1994: Chevy: Suburban K1500: Chevy Suburban K1500 Transmission Shift Solenoid: 1995-1999: Chevy: Suburban K1500. The 96 is a one year only transmission and cannot be swapped for any other year due to changes in the separator plate, & the 3-2 solenoid. the valve body in transmission causes this. now 1st gear is almost useless driving anywhere, 2nd and 3rd are too big of jump in between to grab a gear if its not just the right rpms, and 4th is overkill overdrive lol. @Martinjmpr don't forget that if you go with a gear swap, you've got to do both axles. That may include but is not limited to vehicles from Chrysler, Ford, Dodge, Hyundai, Kia, Ram, Lexus, Toyota, Mazda, Honda, VW, etc. I have a 1994 Camaro with the 4l60E transmission. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. 4L60E's default to 3rd gear when the PCM detects an electrical fault. A guy I work with has a 95 chevy work truck 4x4, 4l60E trans, he says that he does not have 1st gear or OD, and trans only has 2nd and 3rd gears, and that he has to take off in 2nd and manually shift into 3rd. So this actually fixed half of my issues. I found a 97 Silverado v8 4x4 tranny 4l60e and junk yards said it will not work with my tahoe and tranny pros said it might and dealers say it might, who's right? Thanks. Also sometimes it will not shift into 3rd gear. When car has been turned off for a bit, then back on it will run normally. the valve body in transmission causes this. Oddly timed or hard shifts. Ford C4 and C6 Transmission Trouble Shooting Guide It's good to have a source to guide you when you're struggling with troublesome transmission function. 4L60E's default to 3rd gear when the PCM detects an electrical fault. 1994 GMC 4l60e transmission shifting problems 44 Answers. in a manual transmission in 2nd gear, you can't do 5 mph and you can't do 50 mph either. Don't overlook gear ratios, as how the transmission will work with the rest of your drivetrain is very important when considering the efficiency and power transfer gains a transmission swap can offer. Refer to the appropriate SI document for the transmission solenoid power supply circuit information. The transmission will default to 3rd gear with the harness unplugged but will not shift. It is only when I stop at a stop sign or red light this will happen. As a result, the transmission may not shift gears or it may get stuck in neutral. I'm willing to bet the issue you have is under the dash. [ edit ] Boost valves In a 700R4 - 4L60 non electronic trans, you will want a 0. That is why a GEAR VENDORS comes with a 2yr unlimited horsepower warranty (we know you will hurt the main trans before you ever hurt our overdrive) even at the dragstrip. It will shift into 3rd all day long. But are you sure about the transmission starting out in what ever gear you stick it in? I never experienced an automatic that jumped the gears like that. Park ,neutral, and reverse all work OK. The symptoms of a bad shift solenoid are harsh down-shifts, delayed up-shifts, and "Neutral Driving" in 3rd or 2nd gear. If you end up with a bad sprag, the 4L60E won’t be able to shift into 3rd or 4th gear. They also flushed the transmission mission fluid which showed lots of metal scraps. Chevy and GMC Duramax Diesel Forum > Specialty Forums > Transmission Shop > Stuck in 3rd gear it was stuck in 3rd and has been since. No 3rd or 4th gear: “3-4” clutches are worn out. This typically requires removing the transmission pan, and the valve body sometimes must be lowered as well. doc 2004trans6_4L60E. i’m stuck on 1st and 2nd…. not shift and rpm runs to high at highway speed. Average failure mileage is 137,000 miles. Check that the Vehicle Speed Sensor (for 4L60E/65E) or speedometer cable (for 700R) is connected. Re: Transmission Won't Shift into 3rd or Overdrive run a jumper with from power to that pink wire at the tranny connector, if it works correctly it is in the wire or ing switch. The 4L60E is a bit of a hybrid transmission in that the shift solenoids command the START of the shifts, but the actual shifting is still completed by hydraulic valves, unlike something like the Chrysler 41TE where the solenoids directly fill the hydraulic circuits with no. I haven't gone fast enough with it to know if OD is working or not. I have a '94 GMC K1500. The 4L60E is a four-speed, electronically controlled automatic transmission used in light-duty trucks made by General Motors (GM). Use of the TCS for this purpose allows flexibility in choosing the engine management system, in addition to the increased control, performance, and transmission durability afforded by Quick 1. doc Shift Solenoid A Performance P0752 This DTC detects abnormal shift pattern Stuck ON: 1-1-4-4 pattern Fail Counter >= 2 The fail counter is incremented when the following fail cases are true: Stuck ON: 1 and 2 General-Engine Speed > 450 rpm for 5 seconds and not in fuel cutoff -Gear range is D4. Transmission does not upshift out of first, speedometer reads zero at all times Speed Sensor (VSS) failure. It's time to take the big plug off the transmission, take the pcm connectors off, get a meter and make sure the pins are all in the right place. Something I have left out (not on purpose but on accident) is in neutral it does creep forward when throttled. The 4L60E transmission is an automatic shift transmission from General Motors, four-speed overdrive, longitudinally positioned transmission. code I was getting indicates Shift A Solenoid (electrical). No 3rd or 4th gear: “3-4” clutches are worn out. 35935 4L60E 4L65E Transmission shift kit 1993-2007. As an aid to the. And there is 42,000 miles on rebuilt tranny. Limp mode I guess we call it. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. Without being able to lock, it won't be able to facilitate the transfer of energy to the upper gears and the transmission will remain in 2nd gear. It is not the transmission that controls the TCC, it is the PCM. The actual answer depends upon the final transmission output gear ratio. At least in the Tahoe, the PCM engages the TCC in 3rd gear when the shift lever is in the 3 position. Some people don't realize they don't have 2nd, the trans will shift from 1st to 3rd at a late rpm with an odd slide-bump shift. 4L60E/4L60 Rebuild Procedures Input Drum Disassembly Step 1: Remove the thrust bearing and selective washer from the top of the input drum. If the sealing ring fails, apply pressure to the clutch will bleed off and the clutch will slip and burn. It requires 8. Gm 4L60E transmission technical information. When he shifts OD (or 3) gearbox shifts to 3rd gear it won't shift anymore. 4L60E Problems & Troubleshooting While the 4L60E may be one of GM's most reliable transmissions, nothing is without fault. The symptoms of a bad shift solenoid are harsh down-shifts, delayed up-shifts, and "Neutral Driving" in 3rd or 2nd gear. Background on car: 1986 Olds Cutlass Supreme w/ 1996 Caprice LT1 and 4L60e swapped in by previous owner. Now, the truck starts off in 3rd gear from a dead stop unless I manually shift it into 1st or 2nd. When I drive it, it seems like it stays in 2nd gear and never shifts up or down no matter what rpm I reach. How to Find out if a Transmission Has Gone out. 6L80E Transmission, 6l80e Welcome to the official 6l80e transmission website. Correct if necessary. Re: Shift problem no 3rd or 4th gear Jan 26 2011, 12:39pm with lights wired to the solinoids at the top of harness plugging in at trans lights work as they should which would mean prob in trans,ugplug harness now in 3rd. Main Navigation. The pure computer controlled version is the 4L60E. NOTE: "For this kit to hold 1st, 2nd and 3rd to any RPM", For 1st gear place shifter in 1st position manually, upshift to the 2nd/D position for 2nd gear then immediately pull shifter back down to the 1st position " It will stay in 2nd gear", when ready for 3rd gear, shift to the 2nd/D position again it will now go to 3rd gear and when ready. Not sure where to look first. Don't sweat it. I verified the complaint on a test drive and found that this car had no 1st or. 7 I purchased from an older couple. Your first step should be to scan the computer for trouble codes. I have a 1998 chevy C1500 2WD with a 4L60E. With these cars (Chryslers especially) if the shift control computer gets a bad sensor value, or if it detects a problem with the transmission, it will put the transmission into a VERY obvious limp home mode!!! You will have a normal reverse gear, but in any forward range you will have second gear only. Though most automatic transmission diagnoses and repairs are beyond the scope of the home mechanic, you can diagnose some common issues without specialized tools or training. I recently changed the transmission (4L60E) in my Z71 after burning out the 3-4 clutch. The low level causes the fluid to slosh to the side around turns, exposing the pickup and sucking in air. Here is my scenarios. In terms of the transmission upshifting early, it's more than likely caused by someone replacing the factory-issue vacuum hard line that runs from the intake manifold to the modulator with a rubber unit. After taking it apart. When this happens you have no 2nd gear, 4th gear, or reverse. Maintaining such a high engine speed for long durations would definitely get things heated up a bit, but it's nothing the car can't handle as long as you don't do it for too long or too often. Usually caused by shifting from 3rd to 4th at WOT in high horsepower applications, or towing. you can pull the servo assm and check it. Burned gear oil has a powerful odor that may resemble onions. Common failures for the 4L60E Home. Check your connector at the side of the transmission. The 3rd gear accumulator, which is part of the 2nd gear servo assembly, absorbs the shock of the 3-4 clutch apply. Again I'm not sure if its actually 2nd gear or if its 3rd gear starting. If you retain the stock PCM/VCM, it can probably be modified or re-flashed to disable the transmission functionality. Stuck plungers typically cannot be repaired, so the whole unit usually has to be replaced. It freely moves up and down with no tension. 4 quarts (9. unplug harness 2nd manually with shifter in 1 or 2 and 3rd in3 or D no. It is 'smoothed' for a few reasons, one of which is to prevent excessive hunting of the transmission. This 1993 Chevrolet Lumina came in with a transmission shifting complaint. 000 Miles, the 1st gear and the 4th gear didn't worked, I only had 2nd and 3rd gear working, the MIL light came on when I was going 60 Mph in 3rd gear with 3000 RPM the code found was P0751 Shift Solenid A Performance Stuck Off and also P0894 Transmission Component Slipping, I bought the 2 solenoids, the oil filter and. This happens in between 40, sometimes 60 to 65 KM/H. Transmission Stuck in 2nd gear Wife called me today and said her 03 GMC Envoy was shifting funny and would sometimes rev up real high. It's a standard automatic with an electrical lockup. The 4L60E transmission is an automatic shift transmission from General Motors, four-speed overdrive, longitudinally positioned transmission. More modern transmissions may kick down, by one gear or more, earlier in the gas pedal’s range of movement, based on the. 3L 4L60E transmission with 260. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. My 4L60e tranny will not find low or overdrive. Yesterday on the way home from work, it would not shift into 4th gear. 4l80e 4th gear and tcc problem (running from 4L60E segment) If this is your first visit, be sure to check out the FAQ by clicking the link above. They did a **** job on it and it periodically causes my dash (IP cluster) and transmission to lose electrical power. That is why a GEAR VENDORS comes with a 2yr unlimited horsepower warranty (we know you will hurt the main trans before you ever hurt our overdrive) even at the dragstrip. Check the wiring harness to the transmission case and make sure that it is plugged in. the valve body in transmission causes this. Once in 3rd, if the transmission downshifts into 2nd it will just rev the engine and not go anywhere. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. Re: 4l60e slipping in 3rd and od: Greg: 3-18-09 : I got a leak in my transmission and lost all my fluid and now ive fixed the leak and replaced the fluid and now 3rd and od slip when you get to about 35 but 1 and 2 and reverse work fine,any suggestions cause i really dont have a 1000 dollars to have it rebuilt. The trans and engine worked great in the donor car without any issues. When I bought it used two months ago they told me it was rebuilt two or three years ago. They also flushed the transmission mission fluid which showed lots of metal scraps. Shift manually to 3rd{DRIVE} and shifts into 3rd hard. Just second gear. The automatic transmission has been working fine, then about 3 days ago it hung up shifting into 3rd gear. • This condition may also be an indication of a damaged 2-4 band or 3-4 clutches. 3rd gear is shifted to the most in your transmission unless you do a lot of highway driving, and is often one of the first gears to wear out in both automatic and manual transmissions, so it is likely that it is wearing faster than the other gears and could be an indication that your transmission is reaching the end of its life. GMC Yukon owners have reported 48 problems related to automatic transmission (under the power train category). My 4L60e tranny will not find low or overdrive. My Transmission Will Not Shift! The transmission is as necessary in a vehicle as the engine itself. transmission diagnostic parameters 2005trans6_4l60e. 1994 GMC 4l60e transmission shifting problems 44 Answers. Applying the overrun clutch in 1st and 2nd provides added durability to the input sprag and forward clutch in heavy duty vehicles, plow trucks and high. This typically requires removing the transmission pan, and the valve body sometimes must be lowered as well. I've got a 1994 GMC Sierra 4X4 5. Shift Solenoid B Performance / Stuck Off. Check your connector at the side of the transmission. I had issues in my Silverado 2007 - Vortec 5. Check wiring, and make sure transmission electrical connector is plugged in. 64" torque converter) or 11. GM 3800 Service Tips, Techniques, and Advice September 19 at 11:39 AM Troubleshooting the “Slip-Bang Shift" into first gear transmission p roblem in the 4T65E: When taking off from a stop, the engine RPMs race up but the car does not move, then the transmission slams into first gear. Common problems with the 4L60E transmission include the third and fourth gears not working, slow or slipping reverse gear and sudden grinding noise in second gear. 110" is the best size drill bit assuming mostly stock components. Trans shifts into gear harshly, 3rd gear starts, manual 2nd available but no 1st, no 4th, and no TCC lockup: No power to transmission, or trans is in limp-home mode. Maintaining such a high engine speed for long durations would definitely get things heated up a bit, but it's nothing the car can't handle as long as you don't do it for too long or too often. P0781 = 1st-2nd gear P0782 = 2nd-3rd gear P0783 = 3rd-4th gear P0784 = 4th-5th gear P0729 = 5th-6th gear : These codes indicate shifting errors. The problem I am having, is in third gear, when I pass 90mph, I get an issue. The fluid not being burnt is good, as it would tend to indicate that the higher gear. you can air check it from the pan rail if you pull the pan and look into the window by th efront pump. In this article, I'll show you how to test the transmission shift solenoids (specifically 1-2 solenoid and 2-3 solenoid) on your GM 4. Construction and Size. I put this valve body on my 96 Tahoe because it would not start n 1st. Also, the RPM needle sometimes goes slightly up or down in a shaky movement by itself. Since I have a manual 5 speed, I dont know how the automatic shifts in our GT's. Or you can jump up a level, installing. My friend has a 1996 K1500 with a 4L60E. com and affiliated sites. These quality Muncie SM465 4 Speed manual transmission parts, rebuild kits and overhaul kits are designed to be top of the line overhaul kits. He talked to somebody, and they said the trans is in a (limp mode) it has an electrical issue, or PCM issue?. normally at 45km. Step 2: Inspect the three turbine shaft bushing journals for wear or damage. I've got a 1994 GMC Sierra 4X4 5. Also sometimes it will not shift into 3rd gear. Confirm clutch is working by noting a drop in engine rpms. Park ,neutral, and reverse all work OK. 1994 GMC 4l60e transmission shifting problems 44 Answers. The switch contacts are normally open and close when fluid pressure causes them to. One of the most common problems that the 4L60E transmission comes across is the reverse gear. If your 1997 suburban 4x4 with a 4l60e transmission won't shift above 2nd gear does it need a solenoid? Is your fluid brown instead of red? and does it smell burnt? If so, you probabily need a new. Imagine leaving your car in first gear and trying to maintain speed on the highway, or start from a dead stop in fifth gear. Maintaining such a high engine speed for long durations would definitely get things heated up a bit, but it's nothing the car can't handle as long as you don't do it for too long or too often. The car is safe to drive (in 2) until you can get it fixed. manually shift into 1st @ 2nd gear, its locked in 2nd gear. 7 I purchased from an older couple. NOTE: "For this kit to hold 1st, 2nd and 3rd to any RPM", For 1st gear place shifter in 1st position manually, upshift to the 2nd/D position for 2nd gear then immediately pull shifter back down to the 1st position " It will stay in 2nd gear", when ready for 3rd gear, shift to the 2nd/D position again it will now go to 3rd gear and when ready. The 4L60E transmission weighs 146 pounds dry, and 162 wet. This new spring kit recalibrates the springs for the 1-2 and 2-3 shift valves. As more features have been added and advances discovered, automatic transmissions are increasing in their fuel efficiency, speed, and torque power. he is still stuck in the 3speed th350 days. Trans shifts into gear harshly, 3rd gear starts, manual 2nd available but no 1st, no 4th, and no TCC lockup: No power to transmission, or trans is in limp-home mode. Gm 4L80e transmission not shifting. The 96 is a one year only transmission and cannot be swapped for any other year due to changes in the separator plate, & the 3-2 solenoid. The KD switch is necessary for the passing gear, and also for maximum rpm upshift "hold out" to operate properly. Check trans fuse underhood, and make sure transmission electrical connector is plugged in. In fail safe/limp mode, the transmission will have limited functionality and will lock in either 2nd. do you really need to rebuild your transmission? One of the most problematic transmissions on the road today is an AW55-50SN Transmission. Hey, my pickup has the famous worthless 4L60e and it was slipping at high gears (passing gear) and just tried to baby it and as of latley it wont shift from 2nd to 3rd it just bounces on the rev limiter. doc 2004trans6_4L60E. Might want to make sure the pcm is programmed for a 4L60E, maybe post the tune file. What Does Kickdown Mean in an Automatic Transmission? By Joe Bruzek. If the gear oil in your transmission is burned, it will making shifting more difficult and may lead to a breakdown of the components inside. Your transmission relies upon the positions of multiple solenoids to control the gear selection. The transmission will default to 3rd gear with the harness unplugged but will not shift. This switch tells the PCM what position the shifter is in. I've done some driving around and from what I can tell, it' a control problem. We own records in cars with 2000hp. (Page 1 of 3). One of the most common problems that the 4L60E transmission comes across is the reverse gear. It has been sitting a year. Check trans fuse underhood, and make sure transmission electrical connector is plugged in. Trans shifts into gear harshly, 3rd gear starts, manual 2nd available but no 1st, no 4th, and no TCC lockup: No power to transmission, or trans is in limp-home mode. Could I have lost 1st and 4th, or 3rd and 4th? At 40 MPH it revs about 2000 RPM. Solenoids are electro-hydraulic valves. The 4L60E is a bit of a hybrid transmission in that the shift solenoids command the START of the shifts, but the actual shifting is still completed by hydraulic valves, unlike something like the Chrysler 41TE where the solenoids directly fill the hydraulic circuits with no. This transmission can be fitted to various vehicles from different manufacturers, including General Motors, Volvo, Saturn, Nissan, Saab, Opel, and Renault. 3-4 signal oil to the 3-4 shift valve is delivered between lands 1 and 2 of the 3-4 shift valve. Although you may have some of these symptoms / problems with your 4L60E Transmission, the repair solution may differ. 110" is the best size drill bit assuming mostly stock components. 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. doc 2004trans6_4L60E. If you remove power from a 4l60e the trans will default to 3rd gear. I have meticulously maintain the vehicle using only Mobil 1 oil and dealer original equipment. 000 Miles, the 1st gear and the 4th gear didn't worked, I only had 2nd and 3rd gear working, the MIL light came on when I was going 60 Mph in 3rd gear with 3000 RPM the code found was P0751 Shift Solenid A Performance Stuck Off and also P0894 Transmission Component Slipping, I bought the 2 solenoids, the oil filter and. If battery voltage is not present at the fuse, test for continuity between the fuse and the ignition. The shifter is very loose and will not change. Easy fix on rear of Transmissionmission, Will not work in 3rd or 4th gear "3-4" clutches are worn out. If he lets off the gas some it will shift back into 3rd. I have reverse, and forward but it feels like it is stuck in 2nd (could be 1st) gear. (Page 1 of 3). Some people don't realize they don't have 2nd, the trans will shift from 1st to 3rd at a late rpm with an odd slide-bump shift. I let off the gas and it shifted and gave me no more problems. Asking $500 for the transmission and $300 for the transfer case. The most recently reported issues are listed below. : VSS dropoff w/ Hi-stall converter. Sonnax has developed a drop-in replacement 2-3 shift valve that applies the overrun clutch in D3, 1st, 2nd and 3rd gears where the factory valve applies the overrun clutch only in D3, 3rd gear. A typical kit includes a transmission ring, pinion, and bearing, and each component has a special coating that increases protection when heat levels rise under the hood. Housing * Transgo Shift Correction Kit Installation - $300 by itself or $175 w/ a Transmission Rebuild. I lost 3rd and 4th Gear. P0756 Tech Notes When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. Transmission does not shift automatically, only manually. Inspect all gears, pinions, and carriers for signs of wear, galling, or other damage. Common problems with the 4L60E transmission include the third and fourth gears not working, slow or slipping reverse gear and sudden grinding noise in second gear. 4 quarts (11. He would damage the flexplate, and probably the front pump assembly in the transmission. Since I have a manual 5 speed, I dont know how the automatic shifts in our GT's. @Martinjmpr don't forget that if you go with a gear swap, you've got to do both axles. Not a critical failure, but not a good sign either. I can Manually select second gear but cannot get manual low 1-2, 3-4 shift solenoids are new. We own records in cars with 2000hp. Check trans fuse underhood, and make sure transmission electrical connector is plugged in. Re: no second gear in 4l60e (same as 700r4) could be your second gear servo is stuck. The 96 is a one year only transmission and cannot be swapped for any other year due to changes in the separator plate, & the 3-2 solenoid. Transmission does not shift automatically, only manually. The common failure if the sun shell is the splines stripping on the sun gear. Your transmission relies upon the positions of multiple solenoids to control the gear selection. Cause: two things make this transmission back up: one the reverse input clutches, can be wiped out due to bushing wear and ring damage on stator, second is low reverse clutches wiped out. I am down to changing the valve body because before I didnt have this problem or sending the pcm in to get it looked at, if it's bad itll be another $300 for pcm and programming. Went out to her work to check it and found that the fluid was low, went and bought 3 quarts and added one at a time with engine running checking fluids between each quart added and cycling the engine through the. GMC Yukon owners have reported 48 problems related to automatic transmission (under the power train category). Your transmission uses two main sensors to gather information on when to shift, which is the TPS (throttle position sensor), located on the throttle body, and the input speed sensor, located on the driver side gear case about 8 inches up from the pan, to the rear of the bellhousing. 1st, 2nd, 3rd, etc) the sooner the vehicle will achieve it's given gear's maximum speed. A guy I work with has a 95 chevy work truck 4x4, 4l60E trans, he says that he does not have 1st gear or OD, and trans only has 2nd and 3rd gears, and that he has to take off in 2nd and manually shift into 3rd. The 4L60E transmission weighs 146 pounds dry, and 162 wet. So I took it out and took it to a guy at the local transmission shop to have it fixed. If interested contact Zach at 1 (306) 370-9519 Located in leask Saskatchewan. This makes sense, and I hope it is true, but I'm wondering why I lost first gear for so long without losing 4th as well, if the sticking solenoid is the cause. It's a standard automatic with an electrical lockup. You can see the clutches are burned and the steels have got hot. I have a 2004 GMC Z71 w/5. if you have 4th then the band is fine. AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION DESCRIPTION The NAG1 automatic transmission is an electronically controlled 5-speed transmission with a lock-up clutch in the torque converter. com for the standalone harness and basic tune. I drove on the highway and in town, with a maximum speed of 75 or 80. Construction and Size. Many have found the gear either slips or is not functional. I have a 1994 Camaro with the 4l60E transmission. Transmission does not shift automatically, only manually. Parked the truck and shut it down but couldn't restart it because it's still in drive and won't change to any other gear. Some customers may comment on one or more of the following conditions: the MIL is on; the transmission is defaulted to second gear (4L80/85-E); the transmission is defaulted to third gear (4L60/65-E); or the instrument cluster is inoperative. Trasmission is original with about 145000 miles on it. EMCC also improved transmission durability by reducing transmission fluid and engine coolant temperatures. The transmission recently stopped working in 4th gear. Transmission does not shift automatically, only manually. She took it to a shop where she said. The wiring diagram is shows fuse number 20 in the IP fuse block powers your shift solenoids & it's a 10 amp fuse. It is accomplished by most valve body kits without doing so internally but requires a "transfer" plate and gasket to be added under the support plate in front of the valve body. Showed trouble code (not sure which one), and mechanic said might be short in harness from computer/transmission. *Check the 3rd Accumulator Checkball Assembly to make sure it does not leak into the Transmission case. I've studied how my setup will work, and never considered a hydraulic converter. The shiming of the 2nd gear servo is important. I own a 4 speed manual transmission but was thinking of either bolting on a GEAR VENDORS or swapping in a late model 5 or 6 speed. GMC Envoy Transmission Problems. << the 4L60e doesn't use the TCC in any gear except 4th >> Crashbox, this is not quite correct, in two respects. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. Problem shifting 2nd to 3rd gear on automatic transmission, shift solenoid (2000 Chevrolet Silverado 1500) Have check engine, the computer says it needs the shift solenoid, the problem is it will not shift from 2nd to 3rd gear on an automatic transmission. Do you know. I lost 3rd and 4th Gear. Went out to her work to check it and found that the fluid was low, went and bought 3 quarts and added one at a time with engine running checking fluids between each quart added and cycling the engine through the. After the installation the vehicle still wasn't shifting right. After I rebuilt trans with monster transmission rebuild kit it runs thru gears and shifts good only if I start out in 1st or 2nd gear and shift manually. Chevy and GMC Duramax Diesel Forum > Specialty Forums > Transmission Shop > Stuck in 3rd gear it was stuck in 3rd and has been since. I have reverse, and forward but it feels like it is stuck in 2nd (could be 1st) gear. This 99 vb would start n 1st but would not shift pass 2nd gear. 63:1), engine speed is 1700 rpm at 60 mph. Usually caused by shifting from 3rd to 4th at WOT in high horsepower applications, or towing. 7L pick up, van, SUV. Dependinig on the programming, other things could cause this too, as an example, the 4L60e in my silverado SS will not shift into high at WOT, it stays in third gear until the truck hits the speed limiter at 106. The transmission recently stopped working in 4th gear. 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; Has anyone ever had this problem or know the solution. This makes sense, and I hope it is true, but I'm wondering why I lost first gear for so long without losing 4th as well, if the sticking solenoid is the cause. Park ,neutral, and reverse all work OK.