2015-2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222670 Manufacturer Communication Number: 22-NA-184 Summary This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.   Condition Technician’s may find a no movement condition after replacement of the valve body on the 8L45 or 8L90 automatic … Read more

6L80 6L90 8L90 10L80 10L90 10L000 Equipped Vehicles With A Harsh Shift Shudder Surge Stall Or High Transmission Fluid Temperature – 2021-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222668 Manufacturer Communication Number: 22-NA-182 Summary This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern.   Condition Some customers may comment on one or more of the following before or after the transmission has been overhauled: Harsh shifting Shudder Surging Stalling Transmission … Read more

8L45 8L90 No Movement After Valve Body Replacement – 2015-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10220314 Manufacturer Communication Number: 22-NA-176 Summary This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair.   Condition Some technicians may comment on no movement after the valve body replacement.   Cause This may … Read more

8L90 MQE Automatic Transmission Turbine And Stator Shaft Seal Installation Tools – 2019 Chevrolet Silverado & GMC Sierra 1500

2019 Chevrolet Silverado 1500

NHTSA ID Number: 10163662 Manufacturer Communication Number: PIP5659 Summary This Preliminary information communicates to the dealer technician that the tools to install the turbine shaft and stator shaft seals are available for loan from Bosch.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019 GMC SIERRA 1500 2019     SEOCONTENT-START Bulletin No.: PIP5659 … Read more

Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares – 2015-2021 GM Passenger Cars and Trucks

2017 Chevrolet SS

NHTSA ID Number: 10187372 Manufacturer Communication Number: 16NA019   Summary This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.   260 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2015-2019 CADILLAC CT4 2020-2021 CADILLAC CT5 2020-2021 CADILLAC CT6 2016-2020 CADILLAC CTS 2015-2019 CADILLAC ELR 2015-2017 CADILLAC ESCALADE 2015-2021 … Read more