4l80e Wont Shift Out Of 2nd

It seams to be a common problem but with a good shop it should last for a long time. If the fuse blows it goes into "limp home" mode, typically third gear, sometimes second, and stays there so you can drive it to a garage where they will charge $1600 minimum to rebuild it. Performance Built MT1 4L80E Automatic Transmission and Torque Converter. Also, my speedometer doesn't work anymore. Find tranmissions for any make or model, including foreign, domestic and out-of-date. Before getting started on the install there was only one thing left to do: rip out all the old wiring and designate a corner of the Suburban's firewall to mount the new Go Shift ECU. Check solenoid for proper resistance, should read between 20-40 ohms at 20C (68F). Although there's a lot more to know and learn about the operating theory of the 4L60-E transmission the above should suffice for our purposes. Once you break it loose it should slide out of the detent bar and out of the transmission. The filter was pretty clogged, but there wasn't any metal in the pan, and the fluid wasn't burned. 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. Shift solenoid A or failed or wiring issue between PCM and Transmission - needs diagnostic testing; Related Discussions. If not, replace. The Most Common Reasons Why a Transmission Slips. Can drive 100 miles down the interstate and take an exit. I Recently ran into a problem with my 05 envoy slt 4x4. 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. intermittent problems are a pain to diagnose but id still check again for hard codes with a GM TECH 2 before i did anything else. Locate your Powertrain control module, and on the connectors, locate wire B11. Put it in drive and it feels like it's stuck in second. 4L80E Specifications. 4L80E won't shift. When it does respond, there is a rattle from the drivers side or center of the engine compartment. It runs and drives and all the stuff to make. the 4l80e wont shift out of 1st if it doesnt have a tcu to tell it to shift. All clutches, steels, seals, gaskets, band have been replaced. Your transmission is a remarkable contraption. the installation of transgo's E40D-HD2-D reprogramming kit (shift kit) the instructions: caution! this was originally written in the diesel section. Problem started all of a sudden, when I got it battery terminals were loose batteries dead charged batteries got them back to full charge, tightened all cables. Hello, I'm a mechanic in the marine corp. Pulled engine to change compression ratio and after putting it back in the car, it won't shift out of second. An ignition switch that goes bad can cause a false shift solenoid code that comes up on a scanner. Your transmission is just supposed to shift and leave you alone. to 2nd, the only thing that gets activated is the intermediate clutch pak, and the A soleoid turns off. No 1st, no 3rd or 4th. I believe the TCM with throw a code and won't shift out of second gear if the sensor is not set up correctly. with the bail wire over it, the wire may be missing. How do I get my car to hold 1st gear? 4L60E Discussion in '4th Gen Camaro LT1 it wont shift into 2nd, or hasnt yet it will hit. Pump wear & low or no cooler flow. You may have to register before you can post: click the register link above to proceed. Performance Built MT1 4L80E Automatic Transmission and Torque Converter. - Sequential shifter to convert H-pattern gearbox to sequential shift. The original shift pattern is P-R-N-D-2-1 and the overdrive transmission shift pattern is P-R-N-D-3-2-1. 4L65E hardened, needle bearing style front support. I Recently ran into a problem with my 05 envoy slt 4x4. I double checked when I reinstalled and checked to make sure that the converter was engaged onto the pump properly. A 4L60E and 94-up 4L80E connector has the same connector but the pinout is slightly different. the RPMS go all the way to 4000 but it wont go into 3rd. 8X or something liek that. Chevy 4x4 shifts 1st to 3rd-No 2nd/No 3rd. Then, very quickly, drop the column shift lever down as far as it goes. now have a full-billet 200 from dave husek that is running 10's with low miles so we will see but i love the tranny. 4L80E Transmission: Pre-1993 4L80E transmissions use a different internal wiring harness and pass-through connector. The fact that yours shifts proves that this mechanism is ok. Though if I accelerate moderately and flash the stall any when it goes to up shift into second, acts like it's in first gear, and rev's out until it'll engage third. The 200C Buick transmissions are known for erratic shifting thanks to brittle plastic connectors holding the shift points. Won't shift out of low gear. If they can't engage a gear properly, the transmission won't be going into that gear. Hot Rod, Remove the round cover on the side of the trans. Incorrect Gear Ratio. this dakota box isnt a tcu but a sending unit. You may have to register before you can post: click the register link above to proceed. Hi, i have a deisel step van with a 4l80e transmission, it will shift half of the time but the other half it will not, also seems like it is having trouble grabbing the gears, it happens most of the time at 35mph around the 2nd to 3rd shift, sometimes downshifting back to second as soon as it had engaged 3rd gear. 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. Mac & Chris. 4L80E Tech; If this is your first visit, be sure to check out the FAQ by clicking the link above. I have a 2004 Yukon with 140000 miles on it and the transmission would not go into 3rd gear. You need to rule out electricall first but I think you might need to look to the 2-4 band or anchor pin on it or the 2-4 servo. I told them to order a 2 wire DD 8k pulse generator, reflashed for the new pulse per mile. If the legs. -Swapped ECM as I had a spare laying around and it didn't fix it. I had the same problem on a 94 1-ton 4x4. Your transmission is a remarkable contraption. I'm considering switching to a smaller tire before my next pull, and also dropping my hitch height down to 20". You'll notice the 2 square cutouts on the torque converter. I have symptoms of #17. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. When it does finally shift, it is smooth. I didn't go with a 4L80E because the OD RPM drop is much greater which is OK for a car or an empty truck, but way too much for a loaded truck, plus I wouldn't be able to split shift it. Find out the best times in the industry to buy certain items. 4L80E Specifications. 00 for members here. Some of the standard transmissions will have 4 gears, some with 5 and some with even a 6 speed transmission. Do not confuse a slipping transmission with a solenoid problem. Even screw up under warranty were far a few between, the gear sets are slightly noisy but you don't hear it in a pick up/Suburban, or even in a passenger van. I had the car running fine and shifting fine. Then, very quickly, drop the column shift lever down as far as it goes. He says its been acting up for a while, but now he has only 2nd gear and reverse Any ideas? I know there are solenoids in there but why would they not function properly?. Although a T-50 torx bit seems to fit the bolts, it's actually too loose and lacks the correct style splines. A cheap and easy fix if your 4L60E automatic trans is shifting hard or shifting late. 4L60E or 4L80E transmission?. These transmissions are remanufactured with a performance shift kit and all new bands, clutch plates, steel plates, seals, gaskets, etc. I had the same problem on a 94 1-ton 4x4. this car has a 5 speed manual and i am in South Africa but ship car parts from SoCal on a regular basis. See image labled "Option 3" below. 4L80E is a TH400 with the OD added and electronic control. Pulled engine to change compression ratio and after putting it back in the car, it won't shift out of second. Page 8- Pig: '79 242 16vT projects & restorations. The useful life of the friction elements in a transmission is directly related to the amount of slipping that is allowed to occur during shifts. Then, very quickly, drop the column shift lever down as far as it goes. A4 4l60e Trans won't shift out of 1st gear. The converter is totally different for a 4L80E, it won't even slip into place on a TH400 or vice versa. 3rd gear is the only forward gear in a 4L60E transmission that does not require electrical power. Re: 4l60e won't shift past 2nd. Easy fix on rear of transmission, but xmember must come out to access VSS. Hot Rod, Remove the round cover on the side of the trans. Since the swap the transmission won't shift out of 2nd gear under hard acceleration, and the only way to get it to shift again is to stop and shut the truck off. Your speedo won't work, but get going as fast as you can for about 10 seconds. 5 out of 5 stars. It has a fused electrical system. 4L80E Wont shift This is and LT1 engine running a LS1 computer, but I drove the car before the conversion with the TCI box (shifted fine). I swaped TQ converters and controllers and when I took it down the road today for the first time in a long time it doesn't shift. I searched on the internet and came across various forums. Back a couple years ago this intermittent problem started occuring. In 1993, GM made some minor modifications to the 4L80E transmission; one of the biggest differences is a new transmission connector. We have carefully engineered a process that allows us to maximize performance and stay within a wholesale price range. It seams to be a common problem but with a good shop it should last for a long time. How do I get my car to hold 1st gear? 4L60E Discussion in '4th Gen Camaro LT1 it wont shift into 2nd, or hasnt yet it will hit. I was called out to help diagnose and fix the problem of strange shifting. The 4L80E has been used in a number of 1/2-, 3/4-, and 1-ton GM trucks over the years. Connect the headlight and the resistor in series with the 12v car battery. an issue with it slipping out of second gear and it. but still only second. The 1st gear ratio is 2. The cargo vans can be annoying, just need more sound deadening. If not, replace. Almost every rear-wheel drive vehicle manufactured by General Motors features the 4L60E transmission. The tailhousing bolt pattern is the same as the TH400, but indexed with a different diameter. I replace the engine in the truck and replaced the fluid and filter in the tranny. 11 rear axle gears on the highway. disregard my. Either of these scenarios may cause the vehicle to roll away after the driver has exited the vehicle, resulting in a possible vehicle crash and/or injury. This flexplate is the perfect solution when doing the swap. Hurst’s latest, the Elite Series line of performance products for modern muscle cars, includes not only their world famous shifters, but also exhaust systems, wheels, springs, floor mats, and graphics. do not go to 0 on shift times with the early models of the 60e as i would see clutch bind. Any help would be greatly appreciated. now have a full-billet 200 from dave husek that is running 10's with low miles so we will see but i love the tranny. 48, 3rd 1 to1, 4th. I have been running 28" tires with 4. The 4L80E, an electronic, overdrive-equipped version of the venerable TH-400, is tough enough to handle just about whatever hell you put it through when built properly. to 2nd, the only thing that gets activated is the intermediate clutch pak, and the A soleoid turns off. can't see the need for the 4l80e with your. In the past, they equipped most vehicles with a manual transmission. I then get a call that it won't shift out of first now. You can bypass it for short periods of time by disconnecting the battery for a good 5 minutes and then reconnecting it-- it'll reset the computer and you can drive normally for a while, but don't go above 50 mph or you'll have a nasty surprise when it decides to go back to 2nd gear!. 4L60E / 4L80E The transmissions above are rear wheel drive 4 speed automatics that are all computer controlled. (Figure 4) Reinstall hold down clamp and bolt. These transmissions are remanufactured with a performance shift kit and all new bands, clutch plates, steel plates, seals, gaskets, etc. 8X or something liek that. This allows the spring to push the 1-2 shift valve into the upshifted position. It seams to be a common problem but with a good shop it should last for a long time. The first is 1986 k1500 that's been offered to me for 600 bucks. No shift out of first till a very high rpm, then a slam-shift to second, and nothing else. Automatic Transmissions: What Makes Them Work article on Edmunds. The LQ4 LS engine can be identified by the dished pistons. The fact that yours shifts proves that this mechanism is ok. An ignition switch that goes bad can cause a false shift solenoid code that comes up on a scanner. But if i would stop and put in park and shut off ignition and restart it, it would always shift normally after that. I haven't been up close & personal with the 4L80E, though, just worked a little bit around the old Turbo 400/3L80 which has zero electronics. I had orderded the tranny to shift more on smooth side but it kicked like a mule. with the bail wire over it, the wire may be missing. I checked the speed sensor on the tranny and it seemed to be ok, no visible problems. This kit is custom set to the type of unit purchased. When I say shift im not talking about P N or R like when you are in drive (it is a automatic) it seems like it is stayin in 2nd gear it is a 4 speed I think the transmission is a L840E I think I have no clue it is in a 1993 C2500 3/4 Ton chevy 350 5. 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. -Will manually shift into 1st, but in 2nd, D, and OD starts and stays in 2nd. 5 out of 5 stars. I have a 97 chevy blzr 4x4 the tranny slips a little when I take off shifts to 1st and 2nd fine then wont shift to 4l80e tranny sometimes slips out of overdive. The transmission wouldn't shift out of first. If the switch goes, then your shift position sensor won't be able to kick in, and you'll encounter some problems related to the transmission and the ignition system. the installation of transgo's E40D-HD2-D reprogramming kit (shift kit) the instructions: caution! this was originally written in the diesel section. 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. The transmission seems to be fine in 1st and 2nd, but won't shift into 3rd or 4th. 4L80E Wont shift; Page 2 of 3 First 1 2 3 Last. the RPMS go all the way to 4000 but it wont go into 3rd. 75 overdrive. Seems way easier to me than a lot of electronic nonsense for the 4L80E, unless you're into that sort of tech for a car. Hi, i have a deisel step van with a 4l80e transmission, it will shift half of the time but the other half it will not, also seems like it is having trouble grabbing the gears, it happens most of the time at 35mph around the 2nd to 3rd shift, sometimes downshifting back to second as soon as it had engaged 3rd gear. NOT that 3rd is missing just that it keeps going in second with the engine screaming at 80kph (50 mph) other problem that i have not fixed (but will when i have time) that may contribute. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. the 4l80e wont shift out of 1st if it doesnt have a tcu to tell it to shift. No 1st, no 3rd or 4th. Buy 4L80E 1991 and Up TCC Lock up PWM Solenoid 4L30E TCC Solenoid 2000 and Up GM: Kick-Down Solenoids - Amazon. Inconsistent shift feel, Shift solenoid filter blow-out, and Premature unit failure A complete pressure regulator valve train is supplied in the 4L80-E kit. It was running and shifting great then the alternator went out. Drive the car on a flat roadway where impeding traffic is not a concern. If the switch goes, then your shift position sensor won't be able to kick in, and you'll encounter some problems related to the transmission and the ignition system. 3L V8 Engine and Drivetrain > Transmission Mods. The solenoids have plastic bodies and they all break sooner or later. So I changed both shift Solenoids and changed the fluid in the pan, but no change any advise about what might be going on or how to fix would be greatly appreciated. I pulled over and shut it off and waited a couple of minutes to reset the computer, so I could get it home. You must also modify the 1-2 shift valve as listed below for FULL manual shift conversion: The TH400 has a over-ride shift that will shift out of low gear even if you have manually selected low. not trying to offend you 12lb chevelle,but that is alot of breakage for a mid 12 second car. I believe the TCM with throw a code and won't shift out of second gear if the sensor is not set up correctly. I have a 93 3/4 ton with the 4l80e. To fix this you may need to replace the shift lever detent plate with one from a later model or use an aftermarket or custom one that is set up for an overdrive transmission - it all depends on your original shifter. The stock 700R4 has low shift points because it typically came with a TPI motor that runs out of steam at 4500 rpm. My speedo went nuts as well. To start viewing messages, select the forum that you want to visit from the selection below. I just got done installing the new rear end and went for a test drive. Buy 4L80E 1991 and Up TCC Lock up PWM Solenoid 4L30E TCC Solenoid 2000 and Up GM: Kick-Down Solenoids - Amazon. The TH400 has a over-ride shift that will shift out of low gear even if you have manually selected low. When it does respond, there is a rattle from the drivers side or center of the engine compartment. Stangs did one in his second gen. If you turn the truck off and start out again everything is fine until 4th gear shifts back to 3rd. Transmission problem 1995 Chevy Silverado V8 Four Wheel Drive Automatic I have a 1995 chevy k2500 4x4 truck with the 4l80e in it. 4L80E Transmission & Converter, Remanufactured Dyno Tested 1998-up. Chevy 4x4 shifts 1st to 3rd-No 2nd/No 3rd. It was designed to prevent engine damage. 4L80E Electrical ? 2nd gear only :(. 4l60e won't shift out of first. When it does respond, there is a rattle from the drivers side or center of the engine compartment. You can eliminate this feature by performing the following modifications to the valve body. The solenoids have plastic bodies and they all break sooner or later. Mine broke at around 95,000 miles leaving it in second gear with my wife driving 70, it red lined and cutback. This flexplate is the perfect solution when doing the swap. the black box mimics other sensors and gives max line pressure when you shift. Stangs did one in his second gen. The TCU is fully programmable; part. Check the shift solinoids inside the transmission. I have 1994 k2500 454 4L80e trans won't shift out of 2nd gear - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. The original shift pattern is P-R-N-D-2-1 and the overdrive transmission shift pattern is P-R-N-D-3-2-1. We have been in the transmission industry for over 20 plus years. Gm 4L80e transmission not shifting. Also shifting at 6800 was a real trick. Reverse works fine, and if I manually put the transmission in 1st or 2nd it works fine. Since the swap the transmission won't shift out of 2nd gear under hard acceleration, and the only way to get it to shift again is to stop and shut the truck off. We have triple clutch converters for the Ford Power Stroke Diesel, Allison 1000 and Dodge Cummins Diesel. I double checked when I reinstalled and checked to make sure that the converter was engaged onto the pump properly. 4L80E stuck with only 2nd gear and reverse. For the fluid to still be red and no crud in the pan at 190K I would guess it's been babied its whole life, or has been serviced at least a few times. Stangs did one in his second gen. Buy 4L80E 1-2 A Shift Solenoid and 2-3 B Shift Solenoid Set 1991 and up GM: Kick-Down Solenoids - Amazon. The feature may go unnoticed, until the vehicle will not come out of park, even with the brakes applied. I have a 2002 trailblazer. 66 OHM) EPC solenoid 1-35394A (9 to 14 OHM) PWM 3-2 downshift solenoids. It is common for the electrical harness in the transmission to short out. And this is also where old school thinking can create a costly mistake when leaving out one or more check-ball. The 4L80E is a 4-speed (with overdrive), electronically controlled transmission, with ratios:. 1988, the year it all began – to date – a 30 year affair with manufacturing American Made hotrod parts. 4L80E Full Throttle Shift Issue If this is your first visit, be sure to check out the FAQ by clicking the link above. We've all been there - troubleshooting everything under the sun just to find out the reason it won't start is because there is no gas. If the fuse blows it goes into "limp home" mode, typically third gear, sometimes second, and stays there so you can drive it to a garage where they will charge $1600 minimum to rebuild it. The fluid was the first thing I checked and it showed full. 3/4 Clutch Pack. 48, 3rd 1 to1, 4th. I recommend Allison filters just from experience. 6 out of 5 stars 3 $23. 4l80e transmission not shifting out of 2nd gear my transmission that has already been rebuilt wont shift out of 2nd gear. It used to spill fluid out the dip stick onto the engine until GM put a locking/leak proof dip stick on it. It doesn't even try to shift to 2nd, no flare or slip, just straight to 3rd. 1988, the year it all began – to date – a 30 year affair with manufacturing American Made hotrod parts. Frist thing to find out is trans getting comand for shift and not doing so. If the 700R4 won't shift out of first gear, it's most likely the governor. Manual 2nd (Figure 2) When you shift the manual lever to manual 2nd, manual low pressure exhausts, which releases the low/reverse clutch and exhausts the pressure from tube 1. I have a 93 3/4 ton with the 4l80e. Plated for rust resistance. Solinoid B went out on my 94 camaro (4l60e) and mine would'nt shift out of third gear, solinoid A should could be bad holding it in second gear. to 2nd, the only thing that gets activated is the intermediate clutch pak, and the A soleoid turns off. 4l80e how much power can it handle in stock form behind a SB ? Is there any years that are better than others ? I have no experience but my research has shown that most agree it will take over 400hp and 500 ft. YOKE: The yoke is a th400 style yoke and will need to be swapped out to replace of the 700r4 or th350 style yoke. There are several causes for this delay in shift… Low Transmission Fluid Level, Dirty Filter or Valve Bodies, Torque Converter Clutches Failing, Linkage out of adjustment or (on modern vehicles) Electronic Fault withing Transmission Control Module. The Second clutch pack makes big noise if it crashes up against the back of the direct clutch drum. (im in 4h while this is going on) so i put it in neutral for a second and then back in reverse but it still wont engage it just revs up like its in neutral. The 700R4, although highly modified, low gear clutches couldn’t handle the 1. Zack Farah poses next to our freshly remanufactured 4L80E with all the Confidence in the world in its performance. I didn't think much of it. This allows the spring to push the 1-2 shift valve into the upshifted position. Problem started all of a sudden, when I got it battery terminals were loose batteries dead charged batteries got them back to full charge, tightened all cables. i took it to a shop he said that it needs a new transmission or rebuilt again. I checked the speed sensor on the tranny and it seemed to be ok, no visible problems. The transmission is blocked. 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: Easy fix in the pan. Back a couple years ago this intermittent problem started occuring. Any help would be greatly appreciated. 6 out of 5 stars 3 $23. 0 liter gas engines after model year 2000 trucks. This is the kicker, as I'm pretty sure you need to do a segment swap on the parameters that the PCM uses to shift the tranny. The Heavy Duty setup is for maximum hold with minimal “shift shock”, while Performance units are set for a more aggressive race feel, while maintaining a progressive shift that increases in firmness as you add more throttle. what year 4l80e is the best???? what year to stay away from???? i have a chance to buy a complete 4x4 unit out of a 95-98 2500 including converter. Installation. First pull the car into the water, with a 3 speed transmission, put the car in 2nd gear, get the tires spinning then shift into high gear, this is preferred, but you can start in 1st shift to 2nd then to high gear, get into high gear as soon as possible. MegaShift™ 4L80E Wiring. and the 4L80E has two speed sensors, an IN and an OUT. A transmission can prompt a whining noise if the operating system has malfunctioned, the gears are not operating correctly or the transmission fluid needs to be changed. A street car means you'll be highway cruising and you'll deff want OD. Low line pressure—Total Burnup. One cause of shift solenoid malfunction is if the solenoid itself becomes stuck. with the bail wire over it, the wire may be missing. 7 liter gas engine or the 6. If you turn the truck off and start out again everything is fine until 4th gear shifts back to 3rd. More than likely it is gummed up. Drive the car on a flat roadway where impeding traffic is not a concern. Second was highway manners. Shifts into second, then doesn't shift up any further. I made another video showing how to replace this part: https. The full manual valve body option features a forward shift pattern, and still retains the use of the lock-up torque converter which can be activated by a separate toggle switch or push button (not included). I have not noticed any problem in any other gears. No burnt up fluid, and no slipping in gears so clutch packs should be good, and I'm thinking intermediate sprag obviously but if it rolled over, it wouldn’t engage at all. Why is your M1151 4L80E transmission stuck in second gear? Your dodge wont shift stays in second? A 1992 Oldsmobile may not shift out of park because the transmission is stuck. It goes into 1st and 2nd when car is in drive but it just won't shift into drive. Speedometer doesn't work and transmission doesn't shift gears. Do not confuse a slipping transmission with a solenoid problem. 4L80E Wont shift This is and LT1 engine running a LS1 computer, but I drove the car before the conversion with the TCI box (shifted fine). Also, my speedometer doesn't work anymore. 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. 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: Easy fix in the pan. my 94 gmc 1500 is acting likr this also. The vehicle may also shift out of Park without application of the brake pedal while the key is off. Thank you Monster Transmission. Flex plate: You will need a flexplate and spacer from ¾ ton GM truck that originally came with a 4L80E. 3L V8 Engine and Drivetrain > Transmission Mods. by Robert Bowen (Taken from BMW 3-Series (E30) Performance Guide 1982-1994 by Robert Bowen)There are two main reasons to swap transmissions in an E30: to exchange one worn transmission for a better one or to change from an automatic to a manual (more preferred). 4L80E Specifications. Everything moves smooth and freely now although, the two spools in the above picture had some pitting on them likely from sitting for so long with no fluid. I replaced the alternator and the next morning the transmission would not shift out of 2nd gear when trying to move forward (park, reverse, neutral were fine). 3/4 Clutch Pack. Putting the tranny in should not be too difficult. Mating it with the LS engine isn't hard, it actually came that way from the truck it came out of. Faulty transmission shift solenoid. 2000 GMC 1500 2wd truck. This is the side that will be the locked position when finished. We already know from first gear, that the forward clutch and forward sprag are OK, but now we have the 2-4 band being applied. This one shifts from 1 to 2, or 3 to 4, depending on the state of Shift B solenoid. Also, my speedometer doesn't work anymore. Flex plate: You will need a flexplate and spacer from ¾ ton GM truck that originally came with a 4L80E. 4L80E Wont shift This is and LT1 engine running a LS1 computer, but I drove the car before the conversion with the TCI box (shifted fine). We already know from first gear, that the forward clutch and forward sprag are OK, but now we have the 2-4 band being applied. Now with the truck back on the ground, it won't shift out of first gear at all. I just got done installing the new rear end and went for a test drive. The second part of that issue is the neutral safety switch. 5 out of 5 stars. 3l with a 4l60e transmission out of a 2001 chevy Tahoe and a manual shift. i put 6 years of track racing and tons of street "driving" on a non-billet 200 car ran low 11's. I can shift it to first and second and it starts off fine then I shift into D and OD with no problems. I ended up pulling the pan and replacing the filter and gasket (some jerk decided to gob rtv on the old paper gasket, that was fun). My speedo went nuts as well. More than likely it is gummed up. Also, my speedometer doesn't work anymore. I have several issues with my car. Camaro Forums at Z28. Once you break it loose it should slide out of the detent bar and out of the transmission. so i have to go 40 miles/hr and you can hear the truck being forced. Manual 2nd (Figure 2) When you shift the manual lever to manual 2nd, manual low pressure exhausts, which releases the low/reverse clutch and exhausts the pressure from tube 1.