Someone wondered whether the problem might have to do with the linkage from the stick shift to the transmission, wondering whether the "rod" between the stick shift and transmission might need to be lengthened. I decided to finally stop procrastinating and get the ball rolling on this 4l80E swap. Jack is a robotic drone that will be available from the very first act. Found that I had lost 2nd and 4th gears. Another question we received has to do with the transmission popping out of all gears on its own, even when going over just a slight bump. 23 gears in 1st gear. The center support, sun gear, and sun shaft all point t this being a 1998 trans (the ID tag on the side also), but the itermediate shaft isn't solid, it has the hole down the center (indicating a 97 or earlier shaft according to my atsg book). Why is My GM 4L60E Transmission slipping? It's on a 1996 chevy blazer with the 4. 4l80e shift problems no gears at all: Tim: 8-20-09 : I have a 97 Dually with 454 and 4l80 trans and it has been going out off and on, when i come to a stop it acts like it is in nuetrual and then it has no gears at all no reverse or any gear. We have the most complete inventory of performance transmission parts for Ford, GM and Dodge than you’ll find anywhere else. Fluids seemed normal. The 4L80E transmission's roots trace back to the Turbo-Hydramatic 400 automatic transmission introduced in 1964 Cadillac and Buick models. like i said. Automatic transmissions make specific noises when a malfunction occurs. After test driving it today I noticed it has less power starting from a stop and it will only upshift one gear. 2 months go by and no money so repo the truck back not to find out later he was pulling a 3 axle stamp 3/4 inch steel trailor with inline 6 cummins out of a big rig. But because the harness is severed between the computer and the transmission, no computer signals will reach the transmission. has all four gears but no lockup Has code Po894 slipping components will turn on chek engine light after a while. Remember, you need to disassemble first, and after that, reassemble with the new parts. Right rear axel. Trust JEGS for all of your drivetrain components at the best everyday low prices. To clear the air, we sat down with three of the most respected transmission experts in the business, discussed some of the weak points of all three of these transmissions, and found out what it takes to remedy these issues. The transmission might even strain as it shifts. Silverado & Fullsize Pick-ups - 4L80 transmission problems - I have a 2000 chevy silverado 2500 6. drove it just fine for a few weeks then on highway i lost my oil gage and fuel gage! it starts and runs but cant get any of my gears to lock in place? also read on transmission. Manual transmission is much tougher to drive than the automatic ones. All 4T65-E’s had the fine pitch final drive gear sets which means only three differential gear ratios were available: 2. This kit was not designed for and is not suitable for all out racing applications. transmission you're working on, we've got the best parts to fix it. 3/4 Clutch Pack. After that, the transmission shifted like it was new, at the proper road speeds, and the harsh shifts were gone. 4L80e boom and has no gears Went to the track and made some passes and had no issues. A bad pressure regulator valve can cause line pressures in your valve body to run high or low. 2wd no transfer case to fail. They checked all connections, changed transmission fluid and test drove it. My last 4L60 was rebuilt with all the go fast parts and lasted less than 10k miles before I lost all forward gears and reverseI was SOL because I had it built by a guy in Charlotte and it died in Raleigh. I've got a 1992 chevy 2500 4x4 6. Corvette needs some body work, a new transmission and a whole lot of elbow grease, but you can buy it cheap. You can refer to the wiring diagrams for more detail, but you should find that the system is set up as a 'plug-and-play' application. transmission and shifter in neutral and install cable/linkage to transmission and check for proper movement in each gear. The 4L80E is a manual transmission that has a maximum engine input torque of 440 lb-ft and is capable of providing an output torque of up to 885 lb-ft. The guy cut me a decent deal, $200, I know the adapter alone sells for $275 and it saves me the cost of matching for the reluctor gear. Defective ignition switches are the normal cause of the problem, and we have seen a few vehicles with aftermarket products incorrectly wired into the power supply circuit for the transmission. We contacted the guys at JET Performance Products in Huntington Beach, California, for a look into GM 4L80E Series Transmission Basics only on sporttruck. How to Choose Between a Car with Automatic or Manual Transmission. All there, and if not, well, I have a complete nv465 case to pilfer from. The procedure specified in many factory shop manuals for changing transmission fluid is merely to drain and clean the sump, and then install enough new fluid to replace what was drained. The part-time, manual-shift T. One tried and true transmission, the TH400, received a slight makeover into the 4L80E. So now what?. Imagine leaving your car in first gear and trying to maintain speed on the highway, or start from a dead stop in fifth gear. Average repair cost is $3,510 at 64,300 miles. It starts will shift all gears. R&r trans replace reaction shell and gear. The transmission is in for a rebuild. Stag pp 41 manual transmission The Stag PPZ, PP38, PP39, PP41 & PP42 programmers were produced from the mid 1980s until the mid 1990s and had the ability to be controlled remotely by a PC. mercedessource Tech help - Be careful to not let someone sell you a rebuilt transmission! The following are key signs your transmission may be in trouble. These car models have automatic shift linkage. I've yet to break one under WOT - but I certainly have a way of killing them. Filter: All of that fluid has to be clean for your car to shift gears at the right time. The 4L80E is the successor to the Turbo Hydramatic 400 transmission. 5 If some one has a Hollander number please let me know. 3l 4x4 truck. Typical pressures of a healthy 2004R listed below. When i got home, I unhooked the battery to try and reset the computer. Shipping depends on what state it is going to be shipped to. Your 4L80E Transmission is controlled by the PCM which has full control of the 4L80E’s operation. Bubbles on the transmission dipstick are probably caused by the way it is running. 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. We wanted to took a closer look at it. Since ATF is responsible for cooling the transmission, not having enough of it can cause it to overheat – very quickly. HUMMER H1 HMMWV. It shifts from 1st to 3rd after you get up to about 20-25 mph and let off the gas slightly. Replacement of transmission fluid ordinarily does not include draining the torque converter. drove it just fine for a few weeks then on highway i lost my oil gage and fuel gage! it starts and runs but cant get any of my gears to lock in place? also read on transmission. Works like new, I replaced it with a 4L80E with the new engine. So if something goes wrong when you're out of town, you could be paying for transmission repairs, again. Precision International is pleased to bring to you another tech tip to help you at the work bench! In this edition, Precision's own tech advisor John Parmenter gives an assessment on the loss of. Took 1971 Chevelle SS454 with 700R4 Automatic Transmission in on Monday. Interesting way around the problem you found by getting a chip. Fluid: Transmission fluid is very important to an automatic transmission. Why won't a GM 4L80E transmission shift in forward gears? Is there a way you can shift the gears on a Pontiac transport van without the keys which have been lost?. the sound that came from the drivetrain was a sound like it got put in park while the truck was still moving. I've purchased an engine, transmission (2003 LQ4 and 4L80E 4WD), and all other needed parts from a donor truck, and have been disassembling it in my garage. All of the 8 dragon live peacefully among themselves in their own territory. if you see no fluid try to drive it with the plug unplugged in reverse. If I put it in drive and then back into reverse it works fine. So if I "only" get another 150k miles from the new transmission, the engine will be at 300k and the truck will be 25 years old, and most likely retired from towing duty. All three have to be in near perfect condition for the transmission to shift well. Reasons for overheating include low fluid levels, leaks, burned, old or dirty fluid, or problems with the solenoid. The staff has been amazing to work with and takes care of their customers better than any other company I have ever dealt with. Figure 5 Figure 6 Figure 7 Always plug this vent here Vent The drive shell slings fluid at the vent When the vent hose fills with oil,. I then drove on a long trip but after about 150 miles I lost overdrive and converter lock up again. Solution C: Buy a Remanufactured Chevy Express 2500 / 3500 Transmission. Rarely driven without the trailer behind. Slipping Gears. i can crank it up and go normally it shifts fine ,then come home turn it off crank it right back up and no movement at all no forward or reverse Haven't put oil in transmission and checked all linkages. Imagine leaving your car in first gear and trying to maintain speed on the highway, or start from a dead stop in fifth gear. I lost 3rd and reverse after leaving the 3-4 shift valve and spring out when I was going through the VB trying to figure out why 2nd gear would not hold above 3500 RPM. Dodge Ram 2500 Replace Pressure Solenoid in Transmission Valve Body to Fix Transmission Bucking - 212 reports. Such noises indicate problems with the individual planetary gears, input shaft or interior transmission bearings. In addition, our huge inventory virtually assures immediate delivery. On shallow sump models, only rear ports are available. I promise you that the next transmission I have to replace or any other person I hear of needing a transmission I will be heavily promoting Monster Transmission and tell them that I personally use Monster Transmission. 4L80E Transmission Case 97 UP GMC Chevy NPR 24204250 USED No Internals 5. This computer (or human) controller character can come quite handy in battles. No other switches except for converter lockup. It controls the transmission shifts and directs the appropriate fluids into the appropriate passages to aid in the shifting. On the test drive pay close attention to the shift points for all the gears, and notice any slippage or any other problems under different throttle pressures. Right now it shifts firm in all forward gears like it has a shift kit, maybe from me adjusting the clutch clearances tighter and using old style waved plates?. 0 Wiring Harness Guidelines GM Wiring Notes The supplied wiring harness has been designed to interface with the 4L60E/4L65E/4L80E transmission and all required. A single gear can be chipped or worn down, allowing only a noise in that gear. 6 or even 8 cogs are too many in my opinion anyway. 2L engine (of course. transmission you're working on, we've got the best parts to fix it. If the transmission filter becomes plugged due to debris, it can make a whirring noise. I didn't think much of it. If you have a center lube transmission, look for part number 4LCC/BSGS-L on this site. Update book ATSG Update Supplement for Chevy/GM 4L60E Transmission Rebuild Manual. my 1996 chevy express van. leaving work the transmission started whining and was shifting extremely smooth, could not even tell it shifted really got onto the highway and it would kick into high RPMs and not shift then it com. It has been using a quart of transmission fluid in less than 100 miles. I thought I lost them completely but I found out to day if I disconnect the battery and reset everything I get it back. In your driving lessons, the complexity of the clutch and gear stick is added. If you have 3. Last year I almost spent $5000 on gas for the roadster and started making changes to my car as the prices kept creeping up. 74 gears and 14 mpg with the 2. As an aid to the. 4l80e forward in all gears Purchased a 93 2500 that did not have 4th gear or was starting to lose reverse. Gears 5 has a useful companion with Jack. International shipping is provided by Ebay global shipping program and is calculated once the items are placed in the shopping cart. The Allison ® 1000 5 and 6 speed is known for it's dependability in OEM applications, and with it's huge case it can be built stronger than any other transmission out there for the hard working contractor truck or sled puller / race truck. With something as sophisticated as a transmission, an ounce of prevention is definitely worth a pound of cure. I wonder what is wrong. 4L80E Trans shifts out of 4th: then preformed a fluid flush, I'm lost looking for the light at the end of the tunnel. the sound that came from the drivetrain was a sound like it got put in park while the truck was still moving. We have the most complete inventory of performance transmission parts for Ford, GM and Dodge than you’ll find anywhere else. Our ATRA Certified Technicians and Staff attend conferences and seminars at ATRA, SEMA, AAPEX and others to stay on the forefront of new and innovative ideas. Learn about this problem, why it occurs, and how to fix it. Fits 4L80E, 4L85E, 91-09 This kit stops direct clutch burnup with Dual feed to the Direct Clutch. It's all about engagement; how the gearsets are selected within the transmission is the difference between. With franchises conveniently located coast-to-coast, Mister Transmission is the largest chain of transmission and driveline repair specialists in Canada. 4L60-E OR 4L-80E DEPENDING ON THE SIZE OF TRUCK 4L60E HAS 16 PAN BOLTS 4L80E HAS 17 PAN BOLTS NEW ANSWER: If it is a 1/2 ton then it MUST have a 1996 or 1997 4L60E put in it. Works like new, I replaced it with a 4L80E with the new engine. It was advised by one of the transmission shops to tear open the filter and see what’s inside. wouldnt shift into 2nd gear unless it was to 3000rpm and i let off the gas. Frank Biolsi. It controls the transmission shifts and directs the appropriate fluids into the appropriate passages to aid in the shifting. Make an appointment for transmission maintenance, transmission repair, or if you prefer to install rebuilt transmissions yourself, we can ship it directly to you. Guessing it was the sunshell that broke. If your transmission is running hot, be aware of possible causes. All there, and if not, well, I have a complete nv465 case to pilfer from. 4L80E Performance Specs. I am well within all the ratings on the truck so I am not asking it to do magic tricks. Börner and N. 53,000 miles crossing the southern Cal hills. Eddie spent 35 years in the automotive business with Honda. I Have A Auto Repair/transmission Service And Your Transmission Is A 4l80e If Indeed It Is A 6. All of the wiring harness wires are clearly labeled. no slipping whatsoever. You can refer to the wiring diagrams for more detail, but you should find that the system is set up as a 'plug-and-play' application. Allison 3000 Transmission Bolt Torque Specs. Again, because a bad torque converter means that your flow of transmission fluid isn’t what it’s supposed to be, you can also. This page is all about what I learned after I decided to swap the original TH400 transmission in my 1975 GMC Suburban for a TH700R4 transmission to gain the benefits of a modern overdrive transmission and help tame my "great for towing" 4. Reassembled the transmission today and got it back into the car and did a test. Find this and other Valvoline brand products you need. We would be glad to assist you. chevy would not have a recall they will not stand behind their products. 25", Same Day Shipping on Transmission High Performance Kevlar Front Band. by lost all I mean, you try to run the car in every gear, but you get no response except a revving engine. Replaced transmission with a used one, by the time i got everything all put back together i went to shift fresh trans fluid thru all the gears but shift button wouldnt come out of park. All of this enables your transmission to work properly and avoid damaging your entire transmission. You could also use a 4l60E, but it is a weaker transmission so it is not recommended. When car has been turned off for a bit, then back on it will run normally. Learn about this problem, why it occurs, and how to fix it. : VSS dropoff w/ Hi-stall converter. ) and unlocks on downshifts. Plus, other great news and views that will keep you coming back for more!. It was advised by one of the transmission shops to tear open the filter and see what’s inside. Featuring a Lokar ATS6700A8 Auto Trans Shifter, GM 700-R4, 23 Inch, 8-Ball Knob. We also have certified technicians with the ability to build a wide range of automatic transmissions from domestic to import. Listen for any rumbling, growling or mechanical metal-to-to metal noise in each gear just after it shifts. What does that mean? This is a generic transmission diagnostic trouble code (DTC) and typically applies to OBD-II vehicles equipped with an automatic transmission. The other option for later model electronic transmissions, like the 4L60E or 4L80E, it’s all controlled by a computer. These sensors began to be used extensively since the late 1980s. Parts shell, gear, fltr kit, seal, seal oil, gasket. How Can I Tell If It's Internal Transmission Damage? Transmission with Both Solenoid Failure and Internal Damage. All of these oversights can have disastrous consequences, and that 1-2 year warranty may only be honored at specific shops in a specific region. Automatic transmissions make specific noises when a malfunction occurs. Finally had some more time to mess with it. It's crucial when diagnosing a transmission pump or a torque converter. I've purchased an engine, transmission (2003 LQ4 and 4L80E 4WD), and all other needed parts from a donor truck, and have been disassembling it in my garage. I pulled it had it rebuilt by a very reputable mechanic who specializes in transmission repair. I'm looking for a little info on my 4L80E trans that will not move when switched to reverse, there was a slight squealing noise when going from drive to reverse and then it stopped moving. if you see no fluid try to drive it with the plug unplugged in reverse. was working jsut fine backuped to park and then next day wont go - Answered by a verified GM Mechanic. The 65 is a little stronger then the 60e & plus it's got a shorter first gear helping it out on the lauch! negative the 4l60, 4l65, and 4l70 are basically the same trans minus a few internal parts like 4 gear planetary for the 60 vs. noticed tcc never locked up. 4l80e lost first gear and o/d Discussion in ' Doggonnit if i have had all my gears of tire shredding wonderment ever since! Must be 4 days now and I’m using it. He runs HP 4L80E's in his drag cars, so he is up on it all. Lost In Transmission(s) Whether you’re re-using an existing three-speed or getting a freshly-built one, choosing a mechanical overdrive transmission or going all in with an electronically-controlled gearbox, the task of strapping the right automatic to an LS is easier than it’s ever been. When you shift down manually, the switch in the transmission says shift down, the controller then shifts the transmission down down and all is well with the world. All there, and if not, well, I have a complete nv465 case to pilfer from. Used 4L80E Transmission Cost Online. This page is all about what I learned after I decided to swap the original TH400 transmission in my 1975 GMC Suburban for a TH700R4 transmission to gain the benefits of a modern overdrive transmission and help tame my "great for towing" 4. It's crucial when diagnosing a transmission pump or a torque converter. Filter: All of that fluid has to be clean for your car to shift gears at the right time. Right now it shifts firm in all forward gears like it has a shift kit, maybe from me adjusting the clutch clearances tighter and using old style waved plates?. Any chance its something stupid and. A restricted or clogged transmission filter makes the same whining noise as a faulty transmission pump. Ford AODE/4R70W Guide: Calibration, Building, Troubleshooting Ford’s AOD evolved into a highly successful mechanically modulated transmission from its 1980 introduction until production ended in 1991. Strangely enough, the reverse works effortlessly. If you end up with a bad sprag, the 4L60E won't be able to shift into 3rd or 4th gear. “On the older 700R4’s, you would just have an on/off switch wired into the transmission, and when it goes into whichever gear you want it to lockup in, you’d flip that switch on. They had the 4L80E in 1991. All Messages in Thread: Author: Date: 4l60e shifting problems: edward: 4-20-08 : I have a 95 s10 2. A felt filter CANNOT be backflushed. Our guides will be helpful for the 1985-95 car owners. When putting the truck in any drive gears, I don't even feel any shifts or change. The transmission oil pressure switch is unique in that its sole purpose is to collect data about the pressure found inside the transmission case, which impacts the timing and operation of shifting a vehicle to a higher or lower gear if needed. When it broke, I had lost all forward gears the first time, but reverse remained. Before decoding synchromesh and dog gearboxes, it is critical to understand the beast. We all know every persons opinion; will be different from each other. Check for there being three complete shifts of the forward gears. The initial mileage for the Dual Quad 455 Olds was around 12 mpg with the 2. We have several options that can help you to realize the potential of the engine by transferring most of the torque to the ground, instead of getting lost in the transmission. Transmission repairs can be very costly so be sure to completely diagnose and be sure of the symptoms of your problem before you take your car in for a transmission service. 25", Same Day Shipping on Transmission High Performance Kevlar Front Band. Its keeps going into limp home mode where i only have 2nd & Reverse. The Monster-In-A-Box transmission rebuild kit for the 4L80E is available for GM vehicles. Look for bubbles in the fluid also. two problems with the 4l80e one could be line pressure, the other the 80e has a fail safe that wont let the trans shift to reverse if it senses a speed of greater than 8mph. It will be harmful for your car’s transmission. Lost In Transmission(s) Whether you’re re-using an existing three-speed or getting a freshly-built one, choosing a mechanical overdrive transmission or going all in with an electronically-controlled gearbox, the task of strapping the right automatic to an LS is easier than it’s ever been. Strangely enough, the reverse works effortlessly. In addition, our huge inventory virtually assures immediate delivery. I did a bit of testing and the trans subsequently packed in and left me with only 2nd and weirdly, 4th and TCC lockup. Automatic Transmission - Answer to Any 4L60E Problem - This thread went sticky on GMT400. So I had someone bring me some Dexron VI and I put all 5 quarts before it finally shifted to reverse. I need information on which wiring harness, or section of a harness, is required to connect the transmission breaker and relay to the rest of the vehicle, pictures of how it all attached would be very much appreciated, and if anyone has had luck with the Iron Clad Assurance on transmission/wiring issues. All three have to be in near perfect condition for the transmission to shift well. 63 for the 4L60e so a little bit of gear is lost there too. The transmission fluid is cooled by an integral (transmission-mounted) or remote-mounted oil cooler. 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. Truck Manual Transmission for your vehicle Neutral Switch Wire Harness Repair Kit 4l60e 4l80e Prndl Manual Lever 4l60- Gm Duramax Allison 1000 Transmission Overhaul Rebuild Manual Book Guide Atsg. That wiring diagram is the same one that I have, only mine has highlighter marks all over it. That would be your transmission. Is the vehicle perfectly level? A lot of factors come to play but if you're concerned about it then you could pull the pass side cooler line and let it drain a little. Fluids seemed normal. Holds BIG Horsepower and prevents broken case and drum due to excessive pressure. 29 5/8" long 28 spline 5 on 4. Converts the computer controlled transmission to full manual control with a 4 speed auto shifter. Yesterday afternoon I slowed for a light in Barstow. Right now it shifts firm in all forward gears like it has a shift kit, maybe from me adjusting the clutch clearances tighter and using old style waved plates?. 73's now it would be like you had 3. Me and others assumed the input shaft had broken. 25", Same Day Shipping on Transmission High Performance Kevlar Front Band. It’s all about engagement; how the gearsets are selected within the transmission is the difference between. Update book ATSG Update Supplement for Chevy/GM 4L60E Transmission Rebuild Manual. If you’ve lost access to your Gears POP! account, reach out via the contact form and the Gears POP! Team will look into it. It wouldn't go into high gear. The transmission might even strain as it shifts. It is about 4 years old and has about 40k HARD. 23 gears in 1st gear. In an extreme case, the clutches, or bands, don't hold at all, and one or more gears (and in some cases, every gear) stops working as a result. That’s a cop-out. Anywho, lost reverse, all the forward gears are fine, fluid is normal, not foamed or burned. He runs HP 4L80E's in his drag cars, so he is up on it all. We carry transmission parts and components for racing trucks and cars by TCI, Lakewood, B&M, Hughes & Performance Automatic. This transmission shifted smooth and strong through all gears until today when it stopped all of a sudden to engage either Drive or Reverse. All residential deliveries incur a $75 shipping charge, unless agreed to otherwise 9. 2 months go by and no money so repo the truck back not to find out later he was pulling a 3 axle stamp 3/4 inch steel trailor with inline 6 cummins out of a big rig. Pulling out from a intersection going uphill 1gear good 2 gear good, then it would not go into 3 at all. A restricted or clogged transmission filter makes the same whining noise as a faulty transmission pump. Many of your transmission questions are answered below. New PCM, check wiring, check other sensors such as VSS and TPS. I then drove on a long trip but after about 150 miles I lost overdrive and converter lock up again. Make an appointment for transmission maintenance, transmission repair, or if you prefer to install rebuilt transmissions yourself, we can ship it directly to you. My transmission blew while on a trip to PA, so I went and got it with a trailer. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. Industry conferences are a marketplace for all issues concerning automotive transmissions and cover the newest developments. Would the ignition switch keep it from moving sometimes. No other switches except for converter lockup. The brake light switch was never connected in my swap. Engine RPM, or the speed at which the engine turns, can be calculated at any speed given the vehicle's tire size, axle ratio, and final transmission gear ratio. Use this calculator to determine your gear ratio and vehicle's speed in any gear and any engine RPM for best performance. Shipping depends on what state it is going to be shipped to. Once in 3rd, if the transmission downshifts into 2nd it will just rev the engine and not go anywhere. Turns out now it was a bad one. Automatic-transmission-fluid-change recommendations vary from one original equipment manufacturer (OEM) to another. Almost every rear-wheel drive vehicle manufactured by General Motors features the 4L60E transmission. Any GM diesel that is equipped with the 700R4 (4L60-E) or 4L80-E Overdrive Automatic transmission and is getting poor fuel mileage should have the transmission and related systems checked for proper operation. All emissions stuff removed. If a gearbox gets hot, that's energy that's lost before reaching the rear tires. First I would like to know what all is included in the kit? Second. Today we dropped the pan and changed the filter and it took to 190 before I lost torque and lockup. hey guys, i have a 98 2500 Z71 that is having some issues. If you are experiencing no 3rd or 4th gear, it can often be caused by the shift solenoids. 4L80E Performance Specs. When it fails to do so, you naturally get upset either because of the trouble you are not looking for or the fear of how much the fix may cost. Börner and N. If they can’t engage a gear properly, the transmission won’t be going into that gear. 4l 198000 miles Trans:4t65e Auto Issue: Car was running great Until 1 day i was driving home car would not drive from stop light it acted if it was in (N) i ran it thru all gears and nothing after a few times of revving it in (D) it seemed to engage and i was able to make it home where i noticed a whine coming from the transmission When i engaged it to (R) the noise. The 2nd gear does not work at all. Otherwise, take it to the shop. Featuring a Lokar ATS6700A8 Auto Trans Shifter, GM 700-R4, 23 Inch, 8-Ball Knob. I thought I lost them completely but I found out to day if I disconnect the battery and reset everything I get it back. 4l80e forward in all gears Purchased a 93 2500 that did not have 4th gear or was starting to lose reverse. This occurred in my 95 4l80E and i found that it was not Transmission fluid pressure switch, but only the solenoids, just replace all of them, you may have torque converter issues after this though, because it puts it into "limp mode" which will chew up the clutches in the torque converter. The Class I transmission does not have a drastically altered shift but will provide firmer, more pronounced shifting. it started a few months ago when i was helping a buddy move. this lasted a couple months. 0 Wiring Harness Guidelines GM Wiring Notes The supplied wiring harness has been designed to interface with the 4L60E/4L65E/4L80E transmission and all required. “On the older 700R4’s, you would just have an on/off switch wired into the transmission, and when it goes into whichever gear you want it to lockup in, you’d flip that switch on. It makes you more stressed to take your first drive. All of the magic happens in the fluid. I hope this is in the right post. When your vehicle’s computer tells the transmission to shift gears, hydraulic pressure (provided by the fluid) squeezes a series of plates together inside a clutch pack to connect the engine to the transmission output shaft and. 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. Given the fact that the transmission can barely be forced into gear and 4th is the only gear that works at all is it even worth trying to rebuild? And secondly, is rebuilding a transmission something that a non-professional should attempt to do on his own? And if so are there a lot of special tools that will be required?. my 1996 chevy express van. 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. Ford Ranger A4LD Automatic Transmission The A4LD four speed overdrive transmission was introduced in the 1985 Bronco II/Ranger and saw use behind many 4 and 6 cylinder engines until the 1995 model year when it was replaced by the 4R44E and 4R55E electronic transmissions. Other benefits are less harmonics in 1st and 3rd gears and reduced wear between the drum and center support. Overdrive worked again and so did torque converter lockup at 45 mph. All of our NAPC units are expertly built to OEM specs or better. There are a total of 7 check balls used in valve bodies 1993-2007. gmhightechperformance. Gear multiplication (meshing of two gears) will always require power to complete because of the friction it. Which trans line is the high side ? front or back line. Swap in a known-good PCM, check wiring, check other sensors such as VSS and TPS. All of this enables your transmission to work properly and avoid damaging your entire transmission. 3rd gear starts, can manually shift through all gears. Shift Solenoid B Performance / Stuck Off. At about 2600 dollars (depending on model) the GEAR VENDORS is not the cheapest way for you to get overdrive but is by far the best. Since ATF is responsible for cooling the transmission, not having enough of it can cause it to overheat – very quickly. My friend has a 1996 K1500 with a 4L60E. If you have any further questions, please do not hesitate to contact us here at Advanced Transmissions. Strangely enough, the reverse works effortlessly. In 4th on a 4L80E you have all 4 gears applied.