Subject: Reprogramming Procedures for the 8L90 8-Speed Transmission Model and Year: 2015 Corvette, Silverado, Sierra, Yukon, Yukon XL, and Escalade Source: GM TechLink Page Number: NA Date: ... Read More
Clutch and Transmission
Subject: All New 8L90 8-Speed Automatic Transmission Model and Year: 2015 Corvette, Silverado, Sierra, Yukon, Yukon XL, and Escalade Source: GM TechLink Page Number: NA Date: April 10,... Read More
New 8-Speed Enables Quicker, More Efficient Corvette GM-designed, patented paddle-shift gearbox rivals dual-clutch performance 2014-08-20 DETROIT – The all-new, GM-developed Hydra-Matic 8L90 paddle-shift eight-speed automatic transmission... Read More
#PIP5784: 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement - (Mar 1, 2021) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac ATS Models 2016 2019 All All All ... Read More
#18-NA-285: Information on Slight Movement in Park at Ignition On and Vehicle Start Up and/or During a Remote Vehicle Start Event - (Jan 22, 2021) Subject: Information on Slight Movement in Park at Ignition On and Vehicle Start Up and/or... Read More
#16-NA-361: Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle - (Apr 6, 2017) Subject: Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle ... Read More
Hard shifting conditions when shifting into 1st gear or Reverse may be found on some 2014 - 2018 Silverado, Sierra and Corvette models equipped the 4.3L V6 engine, 5.3L V8 engine or 6.2L V8 engine (RPOs LV3, L83, L86, LT4) and 2015-2018 CTS-V,... Read More
#PIP5437B: 8L45 8L90 Diagnostic Tips for Harsh Shifts and Delayed or Harsh Garage Shift Engagements - (May 22, 2017) Subject: 8L45 8L90 Diagnostic Tips for Harsh Shifts and Delayed or Harsh Garage Shift Engagements Brand: Model: ... Read More
#16-NA-364: Delayed Engagement After Sitting With Engine Off - Clutch Slow to Fill - (Jun 29, 2017) Subject: Delayed Engagement After Sitting With Engine Off - Clutch Slow to Fill Brand: Model: Model Year: VIN: Engine: ... Read More
Diagnostic Tips for Harsh Shifting Transmission Conditions June 10, 2017 Harsh shifting conditions and delayed garage shift engagements may be noticed on some 2017 Colorado, Canyon, Express, Savana; 2016-2017 ATS, CT6, CTS, Camaro; 2015 - 2017... Read More
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