Diagnostic Tips for Knocking, Rattle, Squeak and/or Squeal Type Noise from Engine – Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2 – 2007-2022 Buick Cadillac Chevrolet GMC Pontiac Saturn

2022 Chevrolet Camaro

NHTSA ID Number: 10205052 Manufacturer Communication Number: 19NA256   Summary This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.     209 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2008-2022 … Read more

Information On Preparation / Washing To Avoid Damaging Bright Aluminum Moldings – Buick Cadillac Chevrolet & GMC

2017 Cadillac ATS

NHTSA ID Number: 10163667 Manufacturer Communication Number: PIC5779K Summary This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for preparation & washing of the bright aluminum moldings.   69 Affected Products Vehicles … Read more

Engine Replacement After Severe Internal Engine Damage – Replace Intake Manifold – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222205 Manufacturer Communication Number: 00-06-01-026P Summary This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.   General Information When replacing an engine due to internal damage, extreme care should be taken when transferring the intake manifold to the new Genuine GM Part service … Read more

Information Regarding the Differences Between Fluid Leakage and Seepage – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222777 Manufacturer Communication Number: 15-00-89-004E Summary This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.   This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. … Read more

Oily Substance On Windshield Leaking From Moisture Sensor – 2013-2020 Cadillac Chevrolet GMC Buick

2019 Chevrolet Tahoe

NHTSA ID Number: 10185728 Manufacturer Communication Number: PIC6086G   Summary This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area.  Technician will remove the moisture sensor and clean the glass … Read more