Also included is a TransGo pioneered manual valve to reduce overnight forward and reverse delayed engagement complaints due to torque converter drain back. 6L45 6L50 6L80 6L90 Vacuum Test Plate Kit PART NUMBER 104740-VTP INSTRUCTIONS Alignment Hole Key Red = Alignment Pins/Dowel Pin Holes Blue = Push Pin Locations Black = Optional Bolt Locations Lower Valve Body Plate Upper Valve Body Plate ©2020 Sonnax Transmission Company, Inc. • A Marmon/Berkshire Hathaway Company 104740-VTP-IN 10-06-20 800-843-2600 • 802-463-9722 • F: … In order to fix what is responsible for the shift delays, a technician will need to look at a few areas of the transmission to isolate which component is responsible for the delay. In reverse, the coast clutch solenoid provides apply pressure; all other solenoids prevent flow in reverse. When left to cool down completely, I have found that normal function returned. However, if your vehicle fails to engage after a minute, it’s highly likely it’s not going to and the transmission is in serious condition. Delayed Reverse Engagement — Delayed reverse is different than a delayed forward engagement. It always goes but it can take10-30 seconds. After researching online I found a TSB on this. Delayed engagement; 3-4 Bump; Inadequate lubrication; Low pressure; Slips & flares; Soft shifts; TCC apply & release concerns ; TCC codes; Cause: Loss of oil pressure due to worn components in critical oil circuits. Thanks for the help. Drop-in parts install quickly and easily. 6L45 6L50 6L80 6L90 Vacuum Test Plate Instruction Booklet 3-5 Clutch Boost Valve • Shift quality is not load sensitive • Clutch pressure solenoid codes • Burnt clutches • Slip codes • Delayed engagement • Harsh/Slide shifts • Slips & flares Replace with Sonnax Part No. The updated ring design won’t fit previous design pumps, so you’ll need to either replace the pump or have it machined, allowing you to install the updated rings. Delay in Reverse . 2019-2021 GMC Sierra 1500 Crew Cab Pickup 4dr 5.3L V8 L82 VIN: F 6L80 Automatic 6 Spd. When the truck sits for at least a few hours or overnight I'll go start it, put it in reverse, back out of my garage or parking spot, go from reverse to drive there is a delay of engagement and sometimes it hits hard into gear. Close. Correction: Zip Kit seals critical pressure losses. I am able to put it in drive, and drive like nothing happened. I was great at the 4l60e, but i picked up a gmc sierra Denali and I hate the way it shifts. The Technician will check the following: Seals and Bands. The fluid/filter have been changed when I noticed the problem but it did not change. Verify engine is idling at 0% throttle. A tech made some checks the night before but didn’t see much and left it for the following day. Reverse worked fine. 2010 camaro, trying to get 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 ? ATSG is a technical support service specifically for the Automatic Transmission Industry. 2006-09 Holden VE Commodore SS (V8) with 6L80 automatic transmission: slips in reverse or third, delayed reverse or drive engagement, and harsh 2-3 shifts. After its warmed up it will not do this. • Early-style stator support shaft is modified for 100% installation of updated 1-2-3-4 and 3-5/reverse seal rings to prevent seal leakage, harsh/delayed shifts, and burnt clutches. 300mm torque converters and 30-spline input shafts were added. Transmission temperature stays below the ~190f range during all this. What causes delayed engagement when shifting into drive or reverse? Clutch select/TCC valvekit 6L45, 6L80. It could be one of a few things. 45165A. The trans is SLOW going into reverse. If you guys need to see the tune I can upload it when I get home from work. Truck had p0796 and 797, cleared codes and perform reset, Vehicle comtinues to have over 10 seconde delay in forward and reverse, harsh engagement 1 2 2 3 whenever i make a full stop, engine turns off or whenever i press the brake pedal. sometimes it drops in nice other time it drops in hard I have owned the truck for about 8 years and it has done it for 6/7 of those years. The delay can be as fast as a few seconds or last up to a minute. Truck has a bad lag between shifts at WOT. Because I was there, they asked me to take a look at it. If on changing from a neutral or park position to the drive or reverse gear, the car does not immediately catch the gear and move forward or backward, then it could mean a problem in the transmission. GM updated the sealing rings on the support to address the issue. Delayed engagement; Inadequate lubrication; Low pressure; Slips & flares; Soft shifts; TCC apply & release concerns; TCC codes; Cause: Loss of oil pressure due to worn components in critical oil circuits. Hey everyone, I'm trying to find a crash course for tuning the 6l80e. INTRO © 2018 ATRA All Rights Reserved Table of Contents FORD SECTION 6F35 Harsh Engagements, DTC P0C27 .....74 Early-style stator support shaft is modified for 100% installation of updated 1-2-3-4 and 3-5/reverse seal rings to prevent seal leakage, harsh/delayed shifts and burnt clutches. When visiting WiWi’s Transmissions in Miami on a hot Saturday morning, there was a 2007 Dodge Ram 3500 with a 6.7L diesel and an AS68RC transmission (Figure 1) in failsafe along with a serious delayed engagement into reverse. thanks I do not have trans file yet Top. Login to order. 104740-01 Requires F-104740-TL & VB-FIX Insets shown with end plugs removed for clarity only. Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. 6L80 - GM6 DELAYED SLIPPING REVERSE AND SLIDE 2-3. A delay of more than a second in shifting from the neutral to drive or reverse gear, could mean that there is a problem with the transmission. Symptoms include harsh or delayed shifting, inability to engage certain gears, and slipping when shifting gears. I am noticing a problem. The problem may be severe enough to produce solenoid performance codes Get 6L80 transmission rebuilding tips, 6L80 troubleshooting help, 6L80 technical service bulletins, 6L80 diagnostics and 6L80 technical information from TRNW. Generally, the customer would complain about a delayed or slipping engagement, usually going into reverse. Verify vehicle is on level ground when performing fluid level check procedure. But the coast clutch only applies in reverse as a back up for the overdrive sprag. Shopping Cart » 6L8-CS-TCC. The problem may be severe enough to produce solenoid performance codes placing the vehicle into a failsafe condition. Verify drive wheels are blocked and parking brake is applied. 6L80 / 6L90 transmissions do not typically use a dipstick. 6L45, 6L50, 6L80, 6L90 Zip Kit® Part No. Known as delayed engagement, it is one of the most common symptoms of problems with any automatic transmission. would a fast learn help i believe he said trans had been build couple month ago ? Delayed engagement is the period of time, or delay in response that it takes from shifting from park into a moving gear such as Drive or Reverse. You hop into your car, turn the ignition key, shift to ‘Drive’ or ‘Reverse’, and there is a seemingly long delay before the transmission engages. 2019-2021 GMC Sierra 1500 Standard Cab Pickup 2dr 5.3L V8 L82 VIN: F 6L80 Automatic 6 Spd. COMPLAINT: A complaint of a delayed reverse accompanied with a slipping reverse as well as a flare or slide 2-3 shift. Notes: Automatic Transmission Clutch Hub Thrust Bearing -- New. Proper fluid level is achieved when fluid begins to drip from the Level Control Plug opening. • 100% installation of an updated notched valve body spacer plate gasket on the early-style GM 6L80/90 provides better oiling to the solenoid, which prevents a DTC P0751 code (due to lack of oil to the solenoid). Sometimes with the same flare, and clunk, other times, just normal. CAUSE: One cause may be that a crack developed in the 1-2-3-4 / 3-5 Reverse Clutch Drum (Figure 1) … Shopping Cart » Login to order. I've figured out how to move my WOT shift rpm and speed. All 6L80 questions answered by experts These problems … Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). We offer a Technical Hotline, Books, Software, Bulletins, Wiring Diagrams, Seminars, and Technical Courses to the Automatic Transmission Professional. 6L80 - GM6 DELAYED SLIPPING REVERSE AND SLIDE 2-3 COMPLAINT: A complaint of a delayed reverse accompanied with a slipping reverse as well as a flare or slide 2-3 shift. Correction: Zip Kit seals critical pressure losses. Checks the night before but didn ’ t see much and left it for the following: Seals and.... Transmission can suffer from various intermittent or constant transmission issues the way it shifts the following day it! Drive or reverse transmission temperature stays below the ~190f range during all.! Delayed or slipping engagement, usually going into reverse problem but it did not change way it shifts, drive... Than a delayed forward engagement cool down completely, I have found that normal function returned reverse is different a. Been changed when I noticed the problem may be severe enough to produce solenoid codes. 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