6l80 no reverse. 3 flex fuel has 6l80e I have reverse gear no dive.

6l80 no reverse a little insight before i get a hold of owner says trans drive perfect and all shifting ok except when in park goes to reverse their is a delay in reverse and slight clunk then move, any insight ? would a fast learn help i Information about rebuild transmission GM 6L45 /50, 6L80 /90. Buy GM Parts 24224633 Automatic Transmission 3-5-Reverse Clutch Apply Retaining Ring: Hard Parts - Amazon. A 6L90 valve body installed on 6L80 is a no Reverse condition. New rear end went from 3:42 to 3:73. Compatible with GMPP and other 3rd party harness vendors using E38 or E67 ECMs. It had bad shifts and bad reverse. ok so here it is. Hi. Do the following behaviors seem funny to you? 1) On flat ground, when the truck is put in reverse and the brake let off, the truck doesn't move. we assume no liability for inaccuracies 4-5-6-7-8 Reverse Clutch (C5) for a delay into Reverse. Sonnax high capacity 3-5-R apply ring 104548-01 for GM 6L80 units is shorter than the OE apply ring. Save Share A no reverse condition can be caused by using the wrong valve body. 3 trans issues no forward or reverse. All new Transtec kit w/ frictions and steels, bushings, pistons, thrust bearings, etc. It has 209287 miles on it. When this occurs, remove the scanner, remove the key from the ignition, then open and close the driver door. 3 6l80 for over 3 years no problems. Now 1-6 are fine but still no reverse. 2015 silverado 4. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply Second Opinion] Yes, 2010 Silverado 4x4 5. 1 4 13 11 13 11 13 6 13 13 13 3 1 No Forward, No Reverse, Gear ratio codes Manual Valve Assembly 104740-24K 6L45 BMW only Pressure switch codes, Switch codes, Pressure Part No. Low Reverse Clutch Pack- The most likely part of the 4L60E to have failed in reverse is the low reverse clutch pack 6L80/6L90 Reverse Light Relay Instructions Specifications: • The reverse light relay kit provides a +12V signal to your back up lights. Home » Forums » 6L80E / 6L90E Transmission Tuning. Oil capacity was reduced by 20% for the 1-2-3-4/3-5-R clutches. It supports both rear-wheel drive (RWD) and all-wheel/four-wheel drive (AWD/4WD) systems. facebook. It just feels like you're in neutral. GM Although, the problems with the 6L80 are usually consistent. Then had the tehcm replaced and flashed. 2011 1500 Silverado 5. Problem #2. It's our houses third vehicle, doesn't get driven much (today was 6l80/6l90 reverse and 3rd and 5th gear problem. Jacob. P0796 transmission pres This short video explain what happens when certain check balls wear out in a General Motors 6L80 transmission. When installed upside down, the input carrier will drop right over the sun gear, spin in place and Left me stranded at a traffic light. 09-22-23 Trans Log 1-2 Shift. #6l80e This video by Automatic Transmission features a **technical demonstration of leak testing** on a 6L80 transmission. This will result in 1-2-3-4 application problems. New TCM/Valve body. 6L80E, 6L90E 2006-On KITS *Add Suffix SK for Super Kit Description Years Friction Module Steel Module Overhaul Kit Banner Kit Master Kit Rebuilding Kit - 6L80E with Pistons 06-On 195752A 195753A 195800A 195901LS 195901 195702-180 24224148 3-5 Reverse Clutch . I'm rebuilding my 6L80E. Transmission 6L80 common issue with the reverse, 2,3,4,5 drum. Have a 2011 6l80 with 179k. Chat? By chatting and providing personal info, you understand the 5. 3l 6l80e trans,84,000 miles and all of a sudden tack went to 0 and i put trans in neutral costed off hwy, shut off went to restart nothing but lights not even a click try to jump just click I'm finishing up a L92 and 6L80E swap in my buggy, and prepping for a shakedown run. Problem is, when I put it in reverse, it goes forward. 6L 45/6L 80 is a compact, hi-tech and reliable transmission, which features an automatic control over most of gearbox functions. If you click them and make a purchase, we may earn a small commission. 2,445 Satisfied Customers. For shits and giggles after 5 minutes or so I turned it back on and all the gears were I've got a rebuilt 6L80 that's popping a P1825 code that puts the transmission in limp mode. If check balls #1, #4 or #5 are stuck in the plate, it can cause a no forward RWD: 4L No Move after OH, 4L60-E No Reverse, Chevy Corvette 6L80 No Move, 6L80-90 No Movement, 6L80-90 Forward in All Ranges, 6L80-90 Upshift Bind-Up, 6L90 2nd Gear Starts, 6L90 No Comm-No Start, 6L90 Code U0101 Stored,GMC Yukon, Fuse 19 Blows Repeatedly, GM-GMC Trucks Downshift Chirp, 8L80 Changes, For 6L80/90, when drive is selected from park/neutral, 1st gear is commanded “with engine braking,” which means the low reverse clutch is applied. com/C 6l80 6l90 transmission rebuild 1 2 3 4 5 6 - reverse / rebuild automtic gearbox no forward no reverse This short video explain what happens when certain check balls wear out in a General Motors 6L80 transmission. I'm hoping someone here has a possible solution . Installed it and the transmission was basically in limp mode but still no reverse. If I disable the code with HP Tuners I get no movement with no codes. During this time, I did a number of repairs and preventative maintenance, including Going down the road all the sudden I have no forward or reverse gears exactly like mychevz71. Thank you for watching the ATSG Confirmed Fix video covering 6L80: No Forward Movement. some of the rings in 4th gear are fused Problem – Vehicles equipped with the 6L80 or 6L90 transmission may slip when Reverse is selected or have no/delayed reverse engagement, harsh shifts from 2-3 / 4-5 or slips while in fifth, and slipping acceleration when passing. The trans shifted HARD, and the jolt was noticeable. If Well, sure enough, the ball on the 6L80 in question had blown through the spacer plate, so there was no way the 1-2-3-4 clutch could apply. Maybe one thousandth of an inch if you really pry on it. I tried manual shifting and no change No codes. This wire will provide +12V when the key Reverse went out in my 2010 Silverado with 6L80e transmission. However, filter quality may not be the underlying issue. com FREE DELIVERY possible on eligible purchases. I have to rev up the engine to about 1700 rpm and the reverse gear will engage and spin just fine. Shifting into neutral the car will drive backwards and pickup speed and even climb a slight incline, if throttle is given it won't accelerate Service Bulletin #: 06-07-30-002 Date: January 20, 2006 Subject: 6L80 Automatic Transmission Delayed Engagement From PARK to DRIVE or PARK to REVERSE (Reprogram Transmission Control Module (TCM)) Model(s): 2006 Chevrolet Corvette with Transmission – Auto 6 Spd, HMD, 6L80 (RPO MYC) Condition Some customers may comment on a delayed . The first is that reverse is active in all gears. Add to Cart. 3 4l60 original in it. Figure 1 shows a similar un-machined lug for the upper 3-5 Reverse retaining ring; Figure 2 shows the retaining ring properly installed. Yesterday I was coasting in 3rd or 4th (can't be 100% positive which gear) and I lightly touched the gas pedal to accel a bit. com FREE DELIVERY possible on eligible purchases Slips out of gear, cannot get into forward or reverse to get moving. Apr 12, 2022 #1 96impalaSS TYF Newbie. I checked the fluid and it seemed fine (not burnt) and no visible leaks underneath. The respective clutch plates and seals should be inspected for wear and or damage and repaired accordingly. If that is the problem hopefully it will have set a code in the TCM. 2 shops told me to Rebuild/Replace. Quick Rundown: 2008 Colorado - Full Tube Chassis - Custom Everything - Big Tires - Big Axles - Rock Crawler Gen7 BBC - 8. A no reverse condition can be caused by using the wrong valve body. We have seen several patterned failures, written numerous articles, and found countless fixes to keep these units on the road (and the list doesn’t end). A partial circuit diagram shows shift solenoid 1 is “ON,” which moves clutch select valve 2 to the left, connecting a passage from CBR 1/4-5-6 pressure to the low reverse clutch apply passage Instead of rebuilding it, I pulled a low mileage 6L80 from a 2013 Silverado 1500 and even though it was in good shape, I put new frictions and steels in, as well as resealed the areas this transmission was prone to having issues with (the one way seals on the input shaft and valvebody) I knew the transmission control module would be the hardest 2010 Silverado 4x4 has 5. Car pan and Filter. They have also been very good to work with so far. If the seals are the 2-piece design shown below they do not need to be replaced unless they are worn or You are so deep in; you no longer can see the obvious. I have been running the 5. Or if it hasn't 'scoping current draw into the TCM might show it. These tr We believe that you should only replace the entire thing if you have no other choice, because a brand new OEM transmission will likely have a similar issue. The 6L80E transmission has no external solenoids to replace so disregard that cause when you read it on other forums. Then it will finally catch and slam forward. The stock IMS has been replaced with the updated version (IMS Part#24258550) and I'm still getting the P1825 code. if i put in manual mode i can shift fine (this was not the case until replaced TCM and valve body). we assume no liability for Customer concern of check engine light on after truck started to slip and studder was reving in drive now wont go forward or reverse. No Forward; No Reverse; Gear ratio codes; Required. hpl Sounds like a 3-5-R issue to me, but looking for confirmation before I dig into it again. 6L80 High Capacity 3-5-R Apply Ring. 3 4x4 6l80 about 150k 160k. Possible DTCs include P0776, P2715 or P2723. Could use some ideas. 4l60e disassembly07 4l60e no reverse Diy 4l60e no reverse. com 6L80E Transmission Problems & Solutions. I have a 2017 Chevy Silverado 15005. Transmission control modules on the 6L80 and 6L90 and mounted on the valve body, and have to be programed to the truck. Shifting to reverse it backs up with no throttle and can be accelerated with throttle. 6L80 Pump Cover 9 2 22 20 21 7 8 1 6L80 Lower Valve Body 6L80 Upper Valve Body 1 12 10 10 10 5 This kit fits between the machined surface of the valve body and the case. My scan tool shows pressure readings for all solenoids. While troubleshooting the tcm was bricked. • A Marmon/Berkshire Hathaway Company 6L80 RVB Family-Tech-Install 09-06-24 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. 3 4x4. The valve body has two pieces, upper and lower and is held together with a series of bolts that are metric. Joined Dec 18, 2021 Posts 3 2011 6l80 an 5. Unlike some older transmission designs, the 6L80/90 applications also apply the Low Reverse (L/R) clutch to This short video explain what happens when certain check balls wear out in a General Motors 6L80 transmission. I took it for a test drive after installing it and it wouldn't go into 3rd. MickZ0815. Joined 2007 gmc yukon 6l80 transmission no reverse Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. The TEHCMs for all applications use different part numbers, which When a new 3-5-Reverse clutch drum is replaced, it is installed without the 3-5 -Reverse clutch drum bearing. The Short Term Way 6l80 NO GEARS! Jump to Latest Shifting down to 1 resulted in Reverse just from the shroud of the cable providing enough tension to move the selector. Save Share My first thought was a bad techm, since there were no codes. My 2014 6l80 4wd transmission went bad at 165,000 miles. They are beginning to take the place of the 4L60-E transmission. 3L 4x4 Avy Recently flushed transmission with new fluid at 340,000kms 370,000kms currently Reaching out into the HPTuners universe for help and guidance regarding some electronic trans nonsense. The truck doesn't go past 4th gear on the highway. The #5 shuttle ball would receive pressure from one end for reverse and the other end for third and From a recent Automatic Transmission Service Group (ATSG) Online Technical Bulletin:When the GM 6L80/90 transmission presents with a complaint of no forward or reverse movement, or slipping badly in all ranges, initial inspection may reveal a cracked or split sump filter (see Figure 1). Mechanic's Assistant: When was your transmission fluid last checked? After the rebuilt 2015 Chevy Silverado 5. 104548-01. it has a laundry list of mods and up grades done to it and its N/A. 3 weeks ago the 6l80 went out on me so I took it out and found out the techm is officially bad as well as the gear rings. While no movement can 6L80/6L90 Reverse CAN relay for use into pro-touring vehicles. com FREE DELIVERY possible on eligible purchases 6L80 1-2-3-4 / 3-5-Reverse Drum Kit NEW. Frequent, proper vacuum testing can put money in the bank, improve turnaround time in your bays, and prevent costly comebacks. Figure 6 shows removal and installation of the caged needle bearing in the rear of the drum if the drum that was purchased does not have it. Recommended. Back through reverse, no movement, and back into park. But once it takes reverse after 3-5 seconds it does not slip at all. I Auto Neutral Park & Reverse Kit solves the problem when installing a LS-6L80E without a BCU. holes and the grinding of the ID markers, A=6L40, B=6L50, C=6L80, D=6L90. Tranny sat about 3 years before current state. Correction: # 1. It does move in reverse at slight (1000 rpm) throttle. HOURS of Operation. I replaced the Vss in transfercase and the. Thread starter new to yukon; Start date Oct 28, 2024; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no move, Forward or Reverse. 50. 6L80/6L90 "No Movement" After Repair. 8L engine, 2WD, automatic. Be for I knew any of that and the last time I drove down the high way and thru town and did not notice anything. Includes all new, fully assembled and ready to install: (1) OEM ACDelco Drum #24298742 (1) Complete Friction and Steel Clutch Kit for this drum (1) OEM ACDelco Pistons, Return Springs, lip seals etc. It seems to be acting funny in reverse. Motoparty Drum Testing Tool for Ford 6L80 6L90 Reverse Drum Tester 35R/1-2-3-4, Checking Leaks and Cracks. Car Specialist. # 2. Transmission must be removed from the vehicle to 2012 chevy silverado 1500 2x4 6 speed automatic (6L80 transmission). Wait 15 to 20 minutes and return; it’s usually good to go. 3 flex fuel has 6l80e I have reverse gear no dive. Pulled over, Shut it off started checking everything making sure wasn't leaking or anything obvious. The drum may crack at the weld affecting application and setting DCT’s 2010 Silverado 4x4 has 5. The presenter diagnoses a shudderi 6L80; Browse All Units; No Reverse; 2-3 Harsh; No 3rd; 4-5 Harsh; No 5th; Cause: When the OE 3-5-R wave plate breaks, broken pieces damage 3-5-R clutch housing splines. We just put a SRTA 6L80 in a 2016 Silverado at work last month. Same condition as before. Chevrolet Silverado 1500: My 02 silverado keeps slipping out. If you touch the accelerator, the speedo will still rise and fall. Your truck works strong in reverse, but no forward at all. 6L80/6L90 Fluid change GM 6L45, 6L50, 6L80, 6L90 Vacuum Test Guide. 1,214 Satisfied Customers. Vacuum testing is an efficient way to identify the root cause of transmission problems and evaluate the effectiveness of repairs. Tags 2015 silverado 6 speed trans issue 6l80. Just spins in R, no engagement at all. When you hit the gas in park the vehicle wil plunged forward and the No reverse and maybe 3rd gear on 6l80 please help V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) No reverse and maybe 3rd gear on 6l80 please help - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. As people across the country began buying these parts, supply could not keep up with demand. Thanks for sharing your knowledge - I’m grateful. The truck grunts and takes off like you just dumped the clutch. The other day I'm driving down the highway in FL, flat no grade and steady 65-70 mph. Cadillac This is in regard to a Chevrolet Silverado 1500 with the 4. 2010 Silverado ext LT Z71 5. I have a 2011 Silverado with a 5. I didn't trust any local builders with this trans, so I loaded it up and drove 2 hrs to The 6L80 and 6L90 transmissions have become the most popular rear-wheel drive GM transmissions in most of our shops. [/*] Diagnostics/Repair Attempts. 12/ 12 warranty. Condition. Dustin Hawkins. Sonnax 4l60e Performance Pack. Is this normal? 6L80 High Capacity 3-5-Reverse Apply Ring. PCM and TCM reprogrammed. There are two ways to identify the valve bodies, the location of the feed . Only symptoms 2 days earlier were bucking into gear when cruising 5to10mph. First is a shrunk down #1 checkball and the 2nd is a cra In this video, i go over 2 very Now here is the problem - I reinstalled the trans and filled it full of fluid, 12 qts. I have 2019 Silverado with a 6L80. I've got some experience in the older 4L60 and 4L80 platforms. Les Richmond 6L80 Pump Cover 9 2 22 20 21 7 8 1 6L80 Lower Valve Body 6L80 Upper Valve Body 1 12 10 10 10 5 This kit fits between the machined surface of the valve body and the case. If the 2010 Yukon 6l80 slow to engage Drive and Reverse. Besides I want all the range switch signals to light up my cluster for prnd321 then. #mikesperformancegarage I believe it has the 6L80E transmission. com FREE DELIVERY possible on eligible purchases A recurring issue with a GM 6L80/90 transmission involves the 3-5/Reverse clutch drum. Interestingly enough, Lorenzo Ortiz from Phillips Transmissions had a 2016 6L80 come into his shop with a no forward but good reverse complaint from the customer. 3-5-Reverse Clutch Piston Capacity Reduction - SOP 2008 model year. A harsh 2-3 shift condition may be caused by leaking 1-2-3-4 and 3-5-R clutch fluid seal rings (1) on the 2010 Silverado ext LT Z71 5. Oct 28, 2024 #1 N. intermittently no reverse • Delayed reverse engagement (common with fluid tempera-tures below 104ºF/40ºC) • DTC P0776 may set • Possible hard shifts to 3rd or 5th Figure 2: 3-5 reverse leak 6l80 Figure 3: 6l80 3-5 rev bearing 20garrett. Without that rear internal ring gear there is no forward movement. I just about shit a brick the first time it happened. Fluid full. com/thompsonautotest123/☕ Buy me a coffee : https://ko-fi. Does my Truck have a 6L80? Yes, if you have one of the following. GDS should be used to confirm the actual transmission clutch engagement time of 3 seconds or longer prior to Having no reverse can be a tricky issue, especially if you happened to park against a wall. • If an issue is not discovered during disassembly, the transmission should be replaced. Transmission failed This video covers the mechanical operation and the powerflow of the GM 6L80/90 RWD transmission used in many Chevrolet and GMC RWD and 4WD vehicles. 1 4 13 11 13 11 13 6 13 13 13 3 1 No Forward, No Reverse, Gear ratio codes Manual Valve Assembly 104740-24K 6L45 BMW only Pressure switch codes, Switch codes, Pressure My first thought was a bad techm, since there were no codes. Check Details 3-5/Reverse Clutch Air Test Port Location & Identification ©2024 Sonnax Transmission Company, Inc. Start it up and no drive or reverse until RpMs get up. I tried switching between 2WD and 4WD and no After installation the unit would not engage Forward or Reverse, nor would it complete the SFL process. However, filter quality may not be the underlying issue Delay in reverse , no noise, no slipping . 0 . Valve body is back together and the truck now has all gears. Diy 4l60e no reverse - YouTube. That's way over priced for what it is. Become an ATSG member now to access all of the Confirmed Fix videos, 2016 Chevy TahoeNo Park No Reverse GearsVehicle does not hold in park and reverse gears. Literally hit a regular bump in the road and felt like the truck went into neutral. Parts Information No parts are required for this repair. Refer to Figures 4 and 5 for a complete overview of the 1-2-3-4 and 3-5 Reverse Drum assembly components. See attached log for data backing this up. Out of nowhere. I'm new to the 6L80 but not new to transmission tuning. They can monitor the line pressure through the gears and see low line pressure indicating leaking reverse seals. 190,000 miles. The warranty would have been better no doubt, but with the wife and I working different schedules, this shop being 4 blocks from work was very convenient. Condition: New Model: 104548-01 $66. Never noticed any slipping. 040" Tool Kit Part No. 071 06-On 5-6 HEG - 36T - OD: 7. Service 4x4 light. Thanks for watching!📱 Facebook: https://www. 3 6 speed I am green when it comes to tuning, but have a fairly good understanding of mechanics. 3 6l80 trans. Buy Motoparty Drum Testing Tool for Ford 6L80 6L90 Reverse Drum Tester 35R/1-2-3-4, Checking Leaks and Cracks: Automotive - Amazon. There are three different valve body assemblies used on the 6L50/80/90. Reverse Fails to Engage – If you’ve selected Reverse and your vehicle still won’t move, then it’s possible the park prawl (the metal piece that stops your vehicle from rolling), or one of the clutches has become damaged. Will not slip, no damage potential during 6L80E Tuning Tshirt; Articles; VCM Downloads; You are here. Shifting into neutral the car will drive backwards and pickup speed and even climb a slight incline, if throttle is given it won't accelerate Could use some ideas. No reverse is very common in the 4L60E. 6l80 6l90 transmission rebuild 1 2 3 4 5 6 - reverse / rebuild automtic gearbox no forward no reverse • Slip when Reverse is selected or no reverse • Delayed engagement into reverse • MIL illuminated, DTCs P0776, P2715, or P2723 are found as an active or a history code in (6L80/90) in SI for correct installation. Fluid full, clean, no burnt smell 2011, LT 5. 6L80/90 No Forward, Good Reverse GM November, 2020 Technical Bulletin #1990 6L80/90 No Forward, Good Reverse Before removing the transmission to overhaul, remove the valve body and inspect it for a check ball being stuck in the plate. JOHN aka Eauto. Recently rebuilt 6L80(clutches, steels, bearings, pistons, seals, zip kit, cooler thermal bypass, and torque coveter). 6L50/80/90. the bill was $3800. • An incorrect part number or incorrectly programmed TEHC Start looking for a transmission shop with a good reputation. Open Monday - Friday 9A-5P EST. Correction: Prevent waved plate breakage OR save a housing that has already been damaged by installing a Sonnax 3-5-R drum saver kit. Drive works, only checked gears 1 and 2 and they shift It's worth noting that the reverse gear is still very strong and seems to have no issues at all. NOTE: In GM 6L45, 6L50, 6L80 and 6L90 units the pressure regulator valve and boost assembly are located in the pump cover. Starting the car in park is pulls back against the parking pawl. I replaced the drum. I get a delayed engagement of reverse. Problem - My Avy went into a neutral like condition and rev'd up with no forward gears but the reverse still works. Rebuild Tips. Acts The 6L80 (RPO MYC), 6L90 (RPO MYD) may exhibit any of the following symptoms: • No forward or slips when moving forward • Neutrals on the 1-2 shift, then the transmission goes into 2nd gear • Possible P0756 may be set • The conditions may be intermittent in nature and may or may not have developed after a repair. 6,796 Satisfied Customers. 1L Vortec Motor - Holley Terminator engine management - Runs great 2008 Escalade - 6L80 Transmission - TCM2650 This short video explain what happens when certain check balls wear out in a General Motors 6L80 transmission. Tell that to the torque converter in front of my 4R100 that likes to intermittently "stall" at idle in reverse. With GM’s 6L80 being out on the road for the past 15 years, they are coming into the shops more frequently. • The provided Light Green wire is the signal wire and is normally open. 3 and a 6l80. com Page 2 6L50, 6L80, 6L90 GM6L50L, GM6L80E, GM6L80L, GM6L90E, GM6L90L, BM6L45E REMANUFACTURED VALVE Factory steel module for 1-2-3-4, 2-6 and low reverse clutch packs: Bonded steel and rubber piston kit: OEM pistons are made by National Seal: I had no idea that the 6L80 was derived from a ZF design, but looking at the assemblies in the 6L80 from your video there are a lot of similarities. Les Richmond Automotive. Some/Most 6L80E's do not have have a L1 position. Hey guys. That is the 1500 platform tranny. Let me explain before you get upset and rip this page out of the magazine. Reverse delayed engagement 6l80. 00 and two relays for park neutral and reverse. I know some poeple fab up a manual reverse light switch, on a bracket for the 6l90e. 6L80e, 4X4, HD Towing pkg If you can't fix it with a hammer, it is an electrical problem. No whine from it either. Reverse and 1st are fine but completely slips when going to 2nd if in Drive. As people across the country A MUST HAVE TOOL -- This transmission tool specialize designed to effortlessly remove and install the 1-2-3-4/3-5-Reverse drum in a in a 6L50E, 6L80E, and 6L90E transmissions. it started slipping from a dead stop. The trans was completely rebuilt lines and cooler flushed new torque converter etc. indd 21 11/18/11 3:06 PM. A loud rattling sound when transmission engages reverse; Upon removing the transmission to change the filter, or doing any service to the transmission requiring a refill of the fluid, vehicle not wanting to move or engage the transmission in any range. Any suggestions would be greatly appreciated! Thanks for your time. Part No. Problem – Vehicles equipped with the 6L80 or 6L90 transmission may slip when Reverse is selected or have no/delayed reverse engagement, harsh shifts from 2-3 / 4-5 or slips while in fifth, and slipping acceleration when passing. Other than that's it's stock. New AC Delco bellhousing and pump cover, yet I have ZERO endplay. 3 engine with the 6L80E transmission, 75K miles. Pretty sure I have communication because gears shows up on Dakota gauges. In this video, i go over 2 very common problems with the 6L80E that would cause no forward movement. No Reverse After Valve Body Replacement. Most 6L80 failures are pressure-related. Published: March 1, 2019. Had code c0324 replaced encoder motor. Moves forward when #19 fuse is removed. This blocked supply pressure to the 3-5-R regulator valve which prevented the 3-5-R clutch from applying. I had a 1-4/3,5,R drum cracked in my 6l80. Jump to Latest So i drove my wife 2015 silverado 4. With 6L80 transmissions having TCC issues, the TCC Reg valve in the valve body is usually looked at first. We're closed on major holidays. here's the story: My 2013 Escalade EXT wasted the trans with my wife driving it months ago. Expert. The truck won't start to move until you press the gas pedal. Its advanced GM 6L45, 6L50, 6L80, 6L90 Valve Body Layout. 6T70/75 No Forward Good Reverse 6T70/75 Long Delay and Shudder in Reverse 6T70/75 Front Seal Issues AF50-8 ETRS System Code Set 6L80/90 Internal Parts Dimensional Differences 6L80/90 (Chevrolet) Hill Start Assist Inoperable 6L80/90/8L90/10L90 Shudder Complaints 6L80/90 (Trucks and Vans) Engine Stalls in Drive 8L90 Shifts 3-Neutral LCT 1000 In This Issue GM 4T65E: Front Seal “Walk Out” GM 6T40 Series Transmissions: No Third, Fifth or Reverse Gears GM 6L80/90: No Fourth, Fifth or Sixth Gears GM 6L80/90: Clutch Clearance Specifications. I couldn't tell if it was a downshift or upshift but it felt like Buy Bevinsee Drum Tester Compatible with Ford LS 6L80 6L90 Reverse Drum Tester 35R/1-2-3-4 Drum Testing Tool Leaks and Cracks Checking Leaks and Cracks: Drums - Amazon. It was still moving in forward and reverse when it was towed to a local reputable transmission specialist. Now all symptoms have gone away all gears and shifts are normal, except that there is a delay taking reverse. Doing this while "cold" (at least under ~140f) I can shift between drive and reverse with no issues, multiple times. The root cause is the snap ring popping out of the housing. If you have a vacuum tester, separate the two halves and vac-test the upper and lower valve body assemblies first to After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. Check Details. This is a disassembly or a tear down of a 6L90 automatic transmission for a no movement condition in forward as well as reverse range. My PRNDL status shows invalid when I put into other gears other then Park When I put Transmission randomly pops out of “Park” with no one in the vehicle. Compensator feed regulator valve stuck. Almost every 6L80 that shows up is either a converter failure, plugged filter, burnt 4-5-6 clutch, or a damaged stator and bell. The respective clutch plates and seals should be inspected for wear and or damage. So this may not be possible, But for it to get stuck in the the 1-6 Feed the trans had to be in a First Gear with Engine Braking condition (1-2-3-4 Clutch & Low Reverse Clutch Applied)Probably through the "Tap-Shift" feature that was on the truck the trans came from, If your swap vehicle The diagnoses for that was no reverse but also no 4-5 I think. GM checked it out, no codes, no real diagnosis, so they recommended replacing tranny with a rebuilt to the tune of $4,500 Cdn. Reverse drum 700r4 input transmissioncenter gm4l60e vs 6l80: difference between 4l60e and 6l80 transmissions 4l60e full manual with no computer4l60e problems: no reverse. I was having torque converter shudder and delayed engagement after shifting from park to drive or reverse. This update limits the 6L80 - UPDATE No Forward Movement 1-2-3-4/3-5-R Clutch Housing was updated mid 2007 to address a NO FORWARD condition. No check engine. 2000 silverado 5. 3 Vortec transplanted in a 57 Chevy truck. 6L45, 6L50, 6L80, 6L90 TCC Regulator Valve Spring 104740-45K. When the OEM addresses issues, one does not expect to see the same cause for the same concern ten years later, but we have to remember that staffing at the OEM engineering level changes constantly. Sonnax 1-2-3-4 billet piston. the area that feeds 1-2-3-4 and 3-5-reverse oil to the stator support inspect the 4-5-6-7-8 Reverse Clutch (C5) for a delay into Reverse. I get no errors on my scan tool, I have no forward gears at all. From 2007 Escalade. I went home and tried resetting it by shifting from N to D for 5 seconds then to R for 5 seconds and did it 20 times. As there is no switched neutral park safety switch or reverse triggers from the automatic. Had it rebuilt. Whether it is on the control side or the internal function of the unit, transmission malfunctions will cause the customer to bring the vehicle to you with driveability complaints. Before pulling it, scan the PCM for codes, if you haven't alreadyIf no codes, I'd pull the valve body down, separate the two halves and look for a stuck #1 check ballIt can get jammed into it's seating location in the plate or wedged in the casting but result is the same: no forward movement, but reverse will work (if the #5 check ball is 6l80e using a lokar shifter - In vcm scanner my shift status goes: park, reverse, invalid, d6, d5. 6L transmission No Reverse (no R) Teardown Video [ads1] 6L80 Rebuild Video. So this may not be possible, But for it to get stuck in the the 1-6 Feed the trans had to be in a First Gear with Engine Braking condition (1-2-3-4 Clutch & Low Reverse Clutch Applied)Probably through the "Tap-Shift" feature that was on the truck the trans came from, If your swap vehicle The 6L transmissions use the low sprag to hold the output carrier stationary during vehicle launch in 1st gear. A new drum does not come with this bearing unless the 3-5-Reverse clutch drum kit is purchased. By Transmission Digest. Delay in reverse , no noise, no slipping . com/C An internal fault with shift solenoid # 2 looks like it could cause no forward gears if the truck does have a 6L80. When the A quick video on 3-5-R clutch failure and to demonstrate air check procedures to confirm or deny the drum's base welds are responsible for burn-up of the 3-5 Figured I’d ask here before I start pulling it. It did work right out of the crate, but I was a little disappointed in Problem – Vehicles equipped with the 6L80 or 6L90 transmission may slip when Reverse is selected or have no/delayed reverse engagement, harsh shifts from 2-3 / 4-5 or slips while in fifth, and slipping acceleration when passing. 6L80 Slips/Revs when shifting. 6,804 Satisfied Customers. "Invalid" seems to work as drive fine (goes up and down through the gears). I'm nearing the end of a project and running into some issues. It's exactly like it was in neutral. During a rebuild of a GM 6L80 transmission, while the valve body was being serviced, an incorrect spacer plate was accidentally used. 6L50 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 6L80-E Transmission - No Forward - No Trouble Codes - Transmission Repair I've since driven it keeping it at max gear 3 with the paddle shifter and no problems in gears 1-3 and reverse. No forward gear this morning after driving it into town and dropping off the kid. PATREON: https://www. QUESTIONS? GIVE US A CALL! 1 (765) 378-4908. The 6L80 transmission, developed by General Motors, is a versatile gearbox used in a variety of vehicles. com/thompsonautotest Customer: Just installed a rebuilt 6l80 transmission in my 2013 silverado and there is no reverse or 3rd gear. Pete. 647" - PLNI I was able to go in reverse with no problems at all. When the unit was disassembled, it was discovered that the input carrier was installed upside down! This prevented 6L80/6L90: No Movement After Repair; Diagnosing the Elusive No Reverse with the 4L80-E; GM 6L series no-movement conditions: Analysis Failure to install these seals can result in no reverse, no forward or distressed clutches. After installation the unit would not engage forward or reverse nor would it complete the SFL process. This is a good air check on the 6L80 3-5-Reverse Drum and the 2-6 & Low Reverse Drum. Many thanks go to Max Dease from Kings Transmissions willing to share this unfortunate experience with us. This drove up prices and made it hard to sell the job and make Although, the problems with the 6L80 are usually consistent. P0796 transmission pres 3-5-Reverse Clutch Piston Capacity Reduction - SOP 2008 model year. This valve, depending on position in which it’s stuck, may cause delays going into gear or harsh, chattering type of • During the OE programming or relearn process, a temporary no-move condition may occur. Figure 3 shows the input carrier splines that need to engage the 1-2-3-4 housing. Causes delayed slipping reverse & flare or slide 2-3 shift. sonnax. I have no idea what happened, I dont know exactly what happened, but I can say that your truck doesnt have the 6l80e tranny. Install the clutch pack retaining snap ring so the snap ring gap straddles the machined lug in the drum. 104520-07K • Pressure Regulator Valve • Matching Outer Spring • Boost Valve • Boost Sleeve • Checkballs (2) 1 Extra • Drill Bit . Buy Motoparty Drum Testing Tool for Ford 6L80 6L90 Reverse Drum Tester 35R/1-2-3-4: Body & Frame Parts - Amazon. But what about the 8l90e? I know there is a company selling a can based module for 220. Warranty Information For vehicles repaired under the Powertrain coverage, use the following Labor Operation Problem – Vehicles equipped with the 6L80 or 6L90 transmission may slip when Reverse is selected or have no/delayed reverse engagement, harsh shifts from 2-3 / 4-5 or slips while in fifth, and slipping acceleration when passing. This was a $4 fix with 2 plastic zip ties and 2 stainless steel ones in a Kangaroo parking lot. Watch this video and learn about the common issues with this transmission. So this may not be possible, But for it to get stuck in the the 1-6 Feed the trans had to be in a First Gear with Engine Braking condition (1-2-3-4 Clutch & Low Reverse Clutch Applied)Probably through the "Tap-Shift" feature that was on the truck the trans came from, If your swap vehicle Customer concern of check engine light on after truck started to slip and studder was reving in drive now wont go forward or reverse. 6L50 The only fix (assuming this is the cause) is to overhaul the unit, reinforce the welds on the 3-5-Reverse drum and (IMO) upgrade the 3-5-Reverse clutch to accept one additional friction and steel plate by installing Sonnax's HP 3-5-R apply ring in place of the factory apply ring (you remove the wavy cushion plate currently in the clutch - it's Ditto to what @OverlordSpock just said Take it back and have the builder fix it under warrantyEither TEHCM failure, 1-2-3-4 (forward) piston housing o-ring seals cut on installation, stator sealing rings somehow damaged on install (or left out), #1 check ball misplaced or left out and low roller assembly not installed correctly (hard to screw this up). When a GM 6L80/90 transmission finds its way into your shop with a complaint of no forward or reverse movement, or is slipping badly in all ranges, initial inspection may reveal a cracked or split sump filter (see Figure 1). No reverse; No forward or reverse; Ties up going forward; Ties up going in reverse; Hard shifts; Stalling; Hesitation during acceleration; 6L80, 6L90, 6T70, 6T75, 6T80 all use the same design TEHCM. . The trans ran fine for a couple days, and today it lost reverse after sitting overnight. P-park R-Forward N-Forward D-Forward M-Forward I recently dropped and replaced the valve body to remove the TCM. I have reverse but no forward gears. Now getting code c0327 and cannot find. I can't figure out why. 4L60E No Reverse Causes. fits applications 2006-up. 3 with 6L80, 131,000, no gears. Replace the drum. CEL P0140,2160,&2270. The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. 3 6l80. Pulled over, put it in park, back into gear, no movement forward, or in reverse, acts as though it’s in neutral. After rebuild there was a hesitation in the engagement of 1st gear when going into D. Below we will cover the most common problems that cause reverse to fail. If you have a 4 speed it is the 4l80e, and if you have a 6 speed you have the 6l90e. Slipping Between Gears – If you experience slipping in reverse, or between 2-3, then it’s very likely that the 1-2-3-3/5-R It took only a short test drive for the ring to pop out, creating the no-move condition. Jump to Latest No hard shifts, noises, TC lockup problems, etc. new to yukon TYF Newbie. Richard Zabka. it had a 4. Reverse works. I have owned this truck since February, however it has spent the past 3 months in my front yard with the front end raised up on spare rims so that I could work on it. I dropped pan to take out TCM and extremely clean. patreon. When the Sonnax apply ring is installed and the OE waved plate is eliminated, this allows 6L80 no 4th gear after rebuild. lfpjhazd gatdp ahpaux bgpfssd mcc boxpiwg gfrj nerp ajqqx zgwwes