Could be an ignition switch. A delayed engagement is a type of slip in the automatic transmission. When it is in drive in forward gears, it works fine, whereas if it is in reverse, it starts slipping. 48 2nd, 1:1 3rd, and a 0. That wiring diagram is the same one that I have, only mine has highlighter marks all over it. The second gear clutch wears out the quickest since it gets the most shifting action undergoes the must friction stress during gear shifts since the gear ratio between 1st and 2nd is nearly 2 to 1. We offer premium quality remanufactured transmissions with the finest service, low prices and leading warranty in the business. • A Marmon/Berkshire Hathaway Company SC-4L80E-IN_G 02-13-19. Ive seen tranny shops around here that sell 4L80e's rebuilt for cheap, like 6-800 range. 25 gears and a 28" tire, the trap rpm is about 5950 at 125 mph. Servo seals may be damaged (can be fixed without removing Transmission. The reason is that many different problems have the same or similar symptoms. was wondering if anyone has put one on and do you really have to do much to the transmission like rebuilding it can you install this to a stock 4L80E. Get the best deal for General Motors Complete Car & Truck Automatic Transmissions from the largest online selection at eBay. I limped over to auto parts store for more 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). 0l 4l80e 103000mile truck does not want to shift right into 2nd gear. Transmission slipped so he rebuilt it. I am currently looking for a decent 4l80e to build up and I can only find the 91-96 cores in the price range I am comfortable with. The 4L60-E transmissions uses several solenoids and sensors to control/activate its 4 gears. 2 days ago · I have traction control and ESP disabled in my tune so I can't say if it'll be affected. They did not know it was Easter. FYI 4L60E common problems / failures By The Master - Posted on June 22nd, 2008 Before guessing at transmission problems, check the fluid level (car warmed up, engine running in Park on level ground) and have the PCM scanned for trouble codes FIRST. 0 liter gas engines after model year 2000 trucks. Atransmissions is the industry wide expert for domestic factory rebuilt transmissions. The first part of the Service Bulletin was completed at that point, but the loud whine remained. Not sure what they did though. Prevents hot idle forward clutch slip, reverse delay, bindup in reverse when hot. The automatic transmission remaining momentarily in neutral, after we shift into gear, means we have a delayed engagement. No 2nd or 4th gear. 4L80E High Line Pressure/Broken Slipping or No-Shift. (Correction its a 4L60E) Anyway, driving it today and from a stop and when it gets to where it should hit 3rd it doesnt shift and RPM's go up and kind of made a slight kick. It will start off in first normally and shift to and drive in second normally. The transmission shifts erratically, slips or does not shift at all. 3 L engine (from 2002 Silverado) with a 4l80e transmission shifting hard from 1st to 2nd gear. While I'm doing this I want to swap out the canton oil pan. If it is the valve body, the fix is either clean out the gunk, or if its galled there is a bore/sleeve kit that fixes it up. 1 out of 5 stars 2. An axial retaining ring is installed into a groove in a shaft or bore along. 3/ S476/ 4L80E turbo/ 80lb injectors/ DBW/ 2004 truck ECM/93 pump gas and methanol I'm not totally new to tuning, but fairly new to HP tuners. As an aid to the. The 3 Most Common Problems With The 4L60E Transmission. If you have a front-wheel-drive car, it's stuck on the side of the engine under the hood. 4l80e / 4l85e transmission may have a condition in which the transmission overdrive gear set may fail due to inadequate lubrication as a result of a transmission casting change. Despite its name, the 4L80E is not an upgrade to its GM counterparts. i looked around and seen i smashed the engine speed sensori doctored it up and it turned out the ses. Only under high torque or high vehicle speeds will the PCM command the converter clutch to be fully locked. Have Peace Of Mind, knowing that your new 4L80E Transmission has all the Updates developed by General Motors Engineers combined with the Latest Industry Advancements providing Unparalleled OE Strength and Durability. Problem is the 1st-2nd gear shift is not happening soon enough and engine is bouncing off rev limiter. 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. No CEL, no codes. 0 sec Sys Volts > 8. Delayed Acceleration. 3L truck work with a 4L80E transmission. Tips on car buying, how to negotiate, and how to buy a car. Im going to try that 4L80E just because of the write up. 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. After the transmission slipped a lot, it would go into limp mode, or stuck in 2nd gear as it's better known. If you have a front-wheel-drive car, it's stuck on the side of the engine under the hood. 7L WONT Pass Emissions VIN: 3GKFK16R4V So, in the related repair history I described how this vehicle had been modified from a 4L60E trans to a 4L80E trans. Transmission has hard shift from first to second. If there were a bad solenoid I would also have problems in 1st or 3rd gear, but not just OD alone. My truck is a 1996 GMC 3500 dually, 4x4 crew cab. 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. The 4L60 has a 3. Your gonna need a diagram to see what feeds it. Limp Mode If the 4L80E is only working in second gear and reverse, then it has gone into limp mode. 48 first gear, 1. An automatic transmission is a hydraulic pressure driven system that can make different noises than manual transmission problems. I bought a transmission Manuel on the 4l80e. 75 overdrive sixth, bringing the first four gear. In D3 drive range with Torque Converter Clutch (TCC) engaged, the engine speed should closely match the transmission output speed. I recently did a refresh on a friend's 4L80E (basic rebuild, New bushings, washers etc. wrenchmanrepair. 3l 4x4 truck. (It skips over second and never goes into fourth) This usually happens right after a rebuild where the band popped off the retainer pin unnoticed during assembly or the servo pin "missed" the band. i have changed four transmissions in mine even though its a 2 wd the 700 r-4 is junk the trans in your truck is going out these transmissions are bad for going out from first to second gear after a while it will start to slip then one day it will shift gears and not even go into third gear just first and second gear will work change the trans now before you get "munsoned" in the middle of. Sonnax Sure Cure kit SC-4L80E, fully compatible with '91-later GM 4L80-E and 4L85-E units, is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. 1st to 2nd WOT shift for 4L80E 5. Second, and most importantly, each blade of the aluminum stator is shaped like an air foil, as opposed to the flat shape of the steel blade. Slipping is also a symptom of a transmission with low fluid. 4L80E Specifications. Repaired everything I found wrong and internally dual fed the direct clutch pack by removing second sealing ring from the top of the center support, left out the inner seal on the direct drum before reinstalling the direct piston and plugged the low/rev port in the transmission housing to effectively dual feed the direct clutch pack. NEW DRIVESHAFT SLIP YOKE,LONG,32 SPLINE,1330,GM TURBO 400,MUNCIE M21,M22,4L80E,+ See more like this Strange U1677N 27 Spline Slip Yoke Fits Muncie PG Super T10 TH350 T56 4L60E Authorized Strange Dealer. Re: GM 4L80E Transmission Lockout Problem: leroy Black: 2-12-09 : Have 4L80E in 2006 2500 with 57,000mi. Atransmissions is the industry wide expert for domestic factory rebuilt transmissions. Another name for the "Direct" clutch is the "High-Reverse" clutch. 5-, and 13-inch torque converters for our 4L80E transmission packages, with stall speeds ranging anywhere from 1,800 to 5,500-plus rpm, depending on what the combination requires. Shift Solenoid A And B Basics. 40 View attachment 1964 View attachment 1965 View attachment 1966 View attachment 1967. ) Almost like the tranny was slipping. I have a consistant shifting driveline clunk that only occurs when the transmission upshifts from 2nd to 3rd gear and then downshifts from 3rd to 2nd gear. We offer premium quality remanufactured transmissions with the finest service, low prices and leading warranty in the business. does this have any thing to do with the TV cable not being conected?. Si ill know for sure witch one is the best. All of this extra room allows for added durability while retaining four forward gears and reverse. Introduced alongside the original 4L60 in the early 90â€™s the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups. I have a 93 one ton chevy with a 4l80e , my truck would not go into third gear or overdrive. Re: 4L80E Transmission Problems: Mark: 5-5-09 : I also have a problem with a 4L80 trans defaulting to 2nd gear. Sounds like 4L80E was typical, but easily upgraded to Allison at time of ordering, but also depending on packages and equipment. This is also a very common transmission problem symptom that may be cause for a transmission rebuild. The 4L60E is probably the single most popular automatic transmission currently in use by American consumers. The source of the information below is the National Highway Transportation Safety Administration (NHTSA), which maintains TSBs for vehicles sold in the United. You can feel it start to slip from 1st to 2nd and from 2nd to 3rd when pushing on it for awhile. com, our first priority is to get you the used replacement transmission you need as soon as possible. Codes can be cleared by. As you can see, there are many, many choices when it comes to GM automatic transmissions and the modifications that can be made to them. And it will if you take care of it. Once in 2nd there is no slipping and the truck shifts perfectly fine to 3rd and 4th gear. It is fairly simple to make a 4L60E harness from a 99-07 1/2 ton 5. Took to jerry brown Chevrolet in bufford GA, the transmission man there test drove my van with me, he hooked a test unit to see what was going on said something called staor? bushings and /or valve body, said he sees this alot in the 1997 and 1998 models. Cheap and Easy to do!. Drivetrain com Discount Automotive and Truck Parts Ring and Pinions, Transmission and Transfer Case Parts, Overdrives, Positractions, Towing products Free technical support 800 216 1632. the gear box fail down, i couldn't find smiler one in my place with the same model but i found 4L80E model 1999 454 vortic Engine and i fix it to my car. The torque converter can be locked up in 2nd, 3rd, and 4th forward ranges if necessary. They also said they had no problems with it but the transmission shop found a service bulletin stating to use a new spacer if you do have problems. Lets presume a healthy 4L80E and use for towing. US Shift Electronic Transmission Control Systems let you take charge of your 6R80, 4R70W, E4OD, 4R100, 4L60E, or 4L80E transmission and unlock its true potential. Usually a bad or failing downshift solenoid will produce a few symptoms that can alert the driver of an issue that needs to be serviced. When this happens, fluid is restricted, pressure in the transmission drops. I still get the 'slipping light' but it doesn't do anything to my engine. Find Yokes with 4L80E Transmission Type and Transmission Yoke Location and get Free Shipping on Orders Over $99 at Summit Racing!. Lets first talk about the difference between a 4L60, and a 700-R4. Reset Search. No 2nd or 4th gear. The 4L80-E (RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. Average repair cost is $2,190 at 55,950 miles. I'm about ready to try the swap from a TH400 to a 4L80e in my 1974 Trans Am. It will be behind a 5. The 3L80 is the newest version of the THM400. 40 66 90 130. The intermediate sprag and clutches lock the direct drum to the case. Third, the locking mechanism on the dipstick handle (some GM products) may not be functioning properly. I haven't seen many transmission rebuild threads (there is a. 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. 3 and will eventually have a turbo or 2. All automatic transmission systems have a valve body which serves as the "brain" of the transmission. Find our best fitting transmission coolers for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. 4L80E TRANSMISSION DIAGNOSTIC PARAMETERS 97t65FYHD_aT. Remind me please, is 2'nd gear stout enough for locking the TCC while pulling? From what I recall, the 4L80E does have some minor internal differences across the years, so is there a year range factor to locking the TCC in 2'nd?. Browse your favorite brands affordable prices free shipping on many items. First one at 43,000 miles, the second one was at 78,000 miles. I have no transmission codes, and the dealer says that it is internal problems. The new car smell, the new wheel and the way it handles, the overall awesome feeling of finally getting it; it is all an experience. Your gonna need a diagram to see what feeds it. 4L80E 2nd & 3rd gear only The trans has two external coolers, one in the radiator and one in front of the radiator. This will cause the transmission to stay in second gear when third gear is commanded and return to first gear when fourth gear is commanded. The 2nd gear does not work at all. the crazy thing is the code says a component slipping but for the life of me i do not. Look on craigslist if it needs to be replaced. First introduced in 1964, the TH400 has always been GM's heavy-duty transmission of choice. No 2nd or 4th gear: The 2-4 band is slipping, or servo seals are leaking. To see how frequently GMC Sierra 1500 problems occur, check out our car reliability stats. This comes at the expense of a shallower first gear, however, which hurts low end acceleration. Also possible is an issue with the teflon seal rings on the servo piston slipping part way off during assembly. The transmission does not go into second on it's own. Get the job done with the right part, at the right price. Corrects/Prevents/Reduces: No lockup in 4 th, codes 68-39-85, Hard shifts, no 4 th, direct clutch slippage. Purchase Online, Remanufactured, Rebuilt Transmissions, Transmissions,Rebuilt Transmission, Remanufactured Transmissions,Remanufactured Transmission,Rebuilt. 10 Second Club - N54 Edition. The bands in an automatic transmission are the usual culprit when it comes to slipping as a worn band can allow parts of the transmission to continue to rotate for a few seconds after the gear change. The only problem is that if you get into 4th gear and forget to lovk the convertor and allow it to continue slipping it will build alot of heat and kill the trans. They will likely need to drop the transmission pan, drain the fluid, replace the filter, and then determine the precise location of the leak. Why does your 2000-2005 Dodge Neon transmission slip from 1st and 2nd gear? If the transmission fluid level is ok your clutch might. 4l pro mod. This is because the torque converter, which is a fluid drive, allows this effect, which is perceived as 'slipping'. ” We specialize in the repair, rebuild and servicing of all types of auto transmissions. I have a 2004 Ford F150 FX4 and I've been having a (hopefully) minor problem for the past 15k miles or so. Unlike GM's factory six-speeds, which are 'double overdrive' with both fifth and sixth gears under 1:1 ratio, TCI's 6X has a true 1:1 fifth and 0. It will be behind a 5. 48 second, 1. If you want power performance and durability all at a low price then you come to the right spot. Codes can be cleared by. 1st and 3rd only, will not work in 2nd ,4th or Reverse sunshell is fractured or splines are sheared off. component slipping) ok what component. Transmission slipping, or gears slipping, is a common transmission problem and a real cause for concern. CarComplaints. At normal city driving speed, 45-55 mph, Big Red (that's her) tends to shudder a bit. From what I recall, the 4L80E does have some minor internal differences across the years, so is there a year range factor to locking the TCC in 2'nd? Background: Am pondering a shift pattern that locks 2nd gear in higher RPM ranges to help with keeping overall temps down. 4L60E Problems & Troubleshooting. A correct diagnoses of a transmission problem is not easy. The new car smell, the new wheel and the way it handles, the overall awesome feeling of finally getting it; it is all an experience. 2-4 band is slipping. The 3L80 is the newest version of the THM400. Chevy Dude 1,166,820 views. 6v8 4L60w transmission, with latest updates from ford, $200. i have replaced all solenoids inside trans. 5L diesel can be done so cleanly that the new engine almost looks factory-installed. Perhaps as much as 1/2 second better then the factory gear ratio. As an aid to the. 4l60e, 4L80E 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. Transmission Cores for sale only! 1998 Ford Explorer 109K miles, 5. Failure to do this will result in slipping. I made another video showing how to replace this part: https. It seems to hesitate on the shift from 1st to 2nd gear an then slams into 2nd hard. I have traction control and ESP disabled in my tune so I can't say if it'll be affected. But since the lock up is not used at low speeds I know that the converter clutch probably has nothing to do with the OP's problem. The speedometer works… and I can drive around in 1st or 2nd gear with absolutely no slipping at all. Whether you need 4L80E wiring diagram information, 4L80E transmission rebuilders tips, 4L80E technical information, 4L80E diagnostics, 4L80E troubleshooting help, or just answers to your 4L80E transmission rebuilders question, the Transmission Rebuilders Network is the place to go!. Limp Mode If the 4L80E is only working in second gear and reverse, then it has gone into limp mode. Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. The Gm 4l80E transmission is found in Chevrolet and GMC pick ups, G vans and commercial chassis with GVW of 8600 or greater from 1991 and up thru 2006, Isuzu NPR and NQR trucks as well as GMC/Chevrolet W3500 and W4500 trucks with either the 5. 00 third, and 0. Why does your 2000-2005 Dodge Neon transmission slip from 1st and 2nd gear? If the transmission fluid level is ok your clutch might. usually with a speed sensor problem it will go into "safe mode" which is only first gear. The purpose of this article is to help you identify 4L60E shift solenoid sympt. Description Published in Transmission Digest, May 2001 Diagnosing a noise can be a real challenge, to say the least. 4L80E Specifications. Justice having triplett brothers,-ugh!! The Original "Death Wish" was a compelling commentary on crime in society, and one man's 180 degree reversal of his beliefs after his family's tragic attack. com/watch?v=cKHQyeq3yQs SEE THIS LINK; THE UPDATED INFO ON THIS FIX. Shift Solenoid A And B Basics. If you have slip or flare on the 1-2, then the spring Jimmyjam mentioned is a good place to start, but also I would want to know all the check balls made it into their rightful resting spot when it was rebuilt. I haven't seen many transmission rebuild threads (there is a. Re: 2000 Year, Chevrolet, C3500 4L80E Transmission? RogerJetBoat 454, So you don't think that my pass threw connector wet with automatic transmission fluid is not causing and issue with overdrive kicking out and going into limp mode once in a while. But such swaps. ) Between the engine and the "gearbox" is a nifty device called a torque converter, which you all learned about at the web site. Your gonna need a diagram to see what feeds it. Thanks Andrew and Tim. When it tried to shift into 3rd it made a loud grinding noise and i had to let off of the gas for it to engage. If the noise is occurring only in reverse and drive then the direct clutch is slipping. The first part of the Service Bulletin was completed at that point, but the loud whine remained. My buddy that owns a trans shop did this to a van that they used for towing about 15 years ago. i put 200 miles a week on the truck. 6v8 4L60w transmission, with latest updates from ford, $200. Transmission shops wanted $600-$2500 to fix it. 4l80e trans delayed shifting 1st to 2nd when starting shifts fine later - Cars & Trucks question can cause the trans to start slipping and actually burn up clutch. Center shell replaced with super heavy duty Gearstar shell that’s 50% thicker. That's why I don't have those instructions in front of me. Took to jerry brown Chevrolet in bufford GA, the transmission man there test drove my van with me, he hooked a test unit to see what was going on said something called staor? bushings and /or valve body, said he sees this alot in the 1997 and 1998 models. 2003 2500HD 6. As Kirt Koeller suggested, the problem was indeed caused by an aftermarket filter and a bad "O" ring. component slipping) ok what component. A 4L60 is a 700-R4. The gearing to move such a heavy load is a 2. Otherwise, 2-4 band is worn out. 48 second, 1. 6v8 4L60w transmission, with latest updates from ford, $200. 4l80 slipping flaring into 2nd and slide/bump with 1st slipping too no codes, the ses was stuck on and would only code 12 non stop. The second test was with a 460 horse power all-wheel-drive Chevy Cyclone. Hey my bad busting in but i had a question this transmission which i also have, i pretty much dont have the big hp but im wanting to put the trans body valve kit. Codes can be cleared by. If it is the valve body, the fix is either clean out the gunk, or if its galled there is a bore/sleeve kit that fixes it up. I unhooked the input speed sensor to bypass this and found it is slipping in 3rd and. GEAR" PID is not switching to 2nd gear until around 63mph or 7440 rpm. They will likely need to drop the transmission pan, drain the fluid, replace the filter, and then determine the precise location of the leak. Due to some driveability-related is-sues, a reflash was introduced to alter this strategy. If your input shaft seal is leaking gear oil onto the clutch disc, this could very well cause a slipping clutch. It meets all Honda quality standards and ensures smoother shifting of the vehicle regardless of whether it’s at high or low temperatures. 25 WIDE 4L80E 99-UP FRONT SERVO PISTON HAS. TYPE Transmission Component Slipping P1870 This DTC detects excessive TCC slip when. I think if you have ruled out everything else it's time to look at the 2-4 servo and the 2-4 band. Shop our parts catalog and find what you need to get your car back on the road!. This is an easy fix. Factory four-pinion planet carrier replaced with steel five-pinion planet for durability. Im going to try that 4L80E just because of the write up. The one bad thing about the 700R4 is the big gear drop between the 1-2 shift. If I drive normally it shifts just fine but when I get on the gas hard when it's time to go into third it won't shift, I have to come off the gas and then push it again then it will shift. 1/2 tons have the 4L60E and the 3/4 tons have the 4L80E in them. If it is the valve body, the fix is either clean out the gunk, or if its galled there is a bore/sleeve kit that fixes it up. But while the 4L80E is a strong, heavy-duty transmission, during the first few years of production the 4L80E was not as durable as its design permitted due mainly to faulty parts. I've damaged two transmissions usually 2nd & 3rd gear. 4l80e transmission electrical problems C/K Car Forums. The only problem is that if you get into 4th gear and forget to lovk the convertor and allow it to continue slipping it will build alot of heat and kill the trans. Gearstar 4L70E is engineered to take up to 650 HP and 650 Lb. 3L truck work with a 4L80E transmission. lbs of input torque, though that can be easily upgraded with aftermarket improvements. 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 4L80e's first and second gear ratios are much closer, which yields a much more pleasing 1-2 shift. 32 56 78 116 140. My problem is mostly, when I come to short stops, like at a stop sign, and go to take back offmy engine just revs coming off the line (almost like it's in neutral) then after a second or two it'll drop really hard into 1st and I usually catch rubber on my tires the shift is so sudden. The 4L80-E is rated to max GVWR of 18,000 (Axle and vehicle dependent) The 4L80-E uses 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II (On Board Diagnostics revision 2) regulations to 1-2 Shift Solenoid & 2-3 Shift solenoid. It shifted fine. I have a 4T80E in my 93 Eldo which is the transverse version of the 4L80E which is an electronic rendition of a 700R4. doc SENSED PARAMETER FAULT CODE MONITOR STRATEGY DESCRIPTION MALFUNCTION CRITERIA AND THRESHOLD VALUE(S) SECONDARY PARAMETERS AND ENABLE CONDITIONS TIME REQUIRED AND FREQUENCY MIL ILLUM. The shift solenoid is responsible for controlling the flow of transmission fluid. The purpose of the EC3 converter clutch operation is to provide a controlled slip as early as 2nd gear to a rare full apply of the clutch during specific highway cruise conditions. Was driving fine, then stop at a set of lights and wouldn't go into fisrt ( 4 speed auto ) whether I would selected on the t bar or put my foot down, just stays in second. HomePage Transmission Repair Manuals & Rebuild Parts Automatic Transmission Look-Up Table Chevrolet / GMC / GEO Transmission Look Up Table Chevrolet/GMC/Geo Model. So I changed the fluid and filter and that was that. Untill about 20 mins ago. wrenchmanrepair. My buddy that owns a trans shop did this to a van that they used for towing about 15 years ago. I have posted a log and a screenshot showing that the "GM. The pressure plate is operated by a high-tension spring. This valve body requires manual upshifting and downshifting. Ever since I've had the truck it's always shifted out of 1st gear hard like when you give it gas it gets all the way up to 2500-3000 RPM's before it shifts into second and when it does shift into second it gives you whiplash; not really that bad but just gives you a image in your head. The bands in an automatic transmission are the usual culprit when it comes to slipping as a worn band can allow parts of the transmission to continue to rotate for a few seconds after the gear change. PC Dither Duration: Set this to 200 to run the dither for 2/10th of a second, once every ten seconds. Took to jerry brown Chevrolet in bufford GA, the transmission man there test drove my van with me, he hooked a test unit to see what was going on said something called staor? bushings and /or valve body, said he sees this alot in the 1997 and 1998 models. and the 4L80E has two speed sensors, an IN and an OUT. Sonnax Sure Cure kit SC-4L80E, fully compatible with '91-later GM 4L80-E and 4L85-E units, is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. But such swaps. What will be noticed after 38 June 2006 DECIPHERING GM TRANSMISSION. No 2nd or 4th gear. Therefore, more pressure equals a more harsh feel and solid lockup, less equals a softer engagement and a smooth feel. It is rebuild time, no way around that. The electronic control system causes the transmission to stay in 2nd gear when it detects a problem, such as slipping in 3rd gear or overdrive. 9 fees to NEVER pay a car dealership. I also broke the ear of my 3500 stall and I think the pumps is also down in my 4L60E. So at a stop light I put it in 1st gear and it jumped to 2nd before I move the shifter. As Kirt Koeller suggested, the problem was indeed caused by an aftermarket filter and a bad "O" ring. when i do test the car was only. One measure of an engine's power is horsepower (550 foot pounds per second squared for each horse power), but another is torque, namely, how many foot pounds at a specific RPM. Selecting the right torque converter for your automatic transmission can make all the difference in how your drag race or street/strip vehicle performs. I was wondering if this is a bad thing and I should look into it or what could be wrong. - At 35,500 miles. Why does my Chevy blazer transmission shift hard into first and second gear? 2001 Chevy Impala is slipping in the transmission? On the 2500 series truck it has the 4L60e or the 4L80e. We needed a 4L80E automatic transmission to handle our Whipple supercharged LS7 engines for mixed street and track use. This would cause the transmission to starve for oil. It probably goes without saying, but if you shift the vehicle into second gear manually, it will still move. 4l80e / 4l85e transmission may have a condition in which the transmission overdrive gear set may fail due to inadequate lubrication as a result of a transmission casting change. Are you saying that you do not have 2nd but you have 4th gear. I ended up with a new personal best of 10. I'm about ready to try the swap from a TH400 to a 4L80e in my 1974 Trans Am. 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. 1st gear is solenoid "A" on, 2nd is both off, 3rd is "B" on, and OD is both on. The first part of the Service Bulletin was completed at that point, but the loud whine remained. 4l pro mod. That's why I don't have those instructions in front of me. 4l80e is a good tranny. Frank Biolsi. Not sure what they did though. Especially if you flush it. it for $20 than have to come back and pull the pan off a second. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. If you hard core guys want an overdrive, Gear Venders or the 4l80E (We keep 4L80E's and their computer systems in stock too!) are reasonable choices. It sounds like it is coming from the front end. I have a 91-96 case with dual speed sensors, if you get the '97+ case you will need to get a rear speed sensor installed on the transmission to run most standalone controllers. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. this is a computer. This is a 95 3500 series w/5. 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). wrenchmanrepair. At GotTransmissions. But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile 4L60E (and its tougher 4L65 & 4L70 variants) and the Allison transmissions. The only problem is that if you get into 4th gear and forget to lovk the convertor and allow it to continue slipping it will build alot of heat and kill the trans. The staff has been amazing to work with and takes care of their customers better than any other company I have ever dealt with. 866 669-3343. we've had an m1115 hmmwv in our. Almost every rear-wheel drive vehicle manufactured by General Motors features the 4L60E transmission. It's staying engaged in first and hitting second hard. Automatic transmission fluid is responsible for providing the hydraulic, or fluid, force necessary to power the inner workings of an automatic transmission. The intermediate sprag and clutches lock the direct drum to the case. I have no transmission codes, and the dealer says that it is internal problems. Posted by Regis on Monday, April 29th, 2013. That's why when you call us, you'll speak to a real, live person, that can locate the transmission you need fast, and answer any questions you have on the spot. 95' 4L80E only got 2nd & reverse. Once back on the road it shifted from 1st to 2nd no problem, but when it came to shift into 3rd it would slip like as it was in neutral. The 1st gear works fine, then it will skip 2nd as he accelerates and then drops into 3rd. Of course, a reman 4L80E valve body isn't that much these days. Tips on car buying, how to negotiate, and how to buy a car. Is the holley 302-2 or mast pan better?. So I hold first longer to put the motor in more of a sweet spot for second. At GotTransmissions. It will shift from 1-3 because second is forced and 1 and 3rd are done by solenoids.