Whine Noise Heard From Engine Area Most Noticeable Off Idle – 2022-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10226381 Manufacturer Communication Number: PIP5887 Summary This Preliminary information communicates the possibility of a normal balance shaft gear whine noise to exist in the engine and is normally most audible at or above 1500rpm. This noise does not create any reliabilty or durability issues with the engine.   Condition: Whine noise heard from engine area most … Read more

Possible Tick or Rattle Noise Concern from Left and/or Right Side Rocker Cover – 2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222798 Manufacturer Communication Number: 22-NA-060 Summary This informational bulletin provides a procedure to install an isolator over the valve cover if found missing and corrects the customers concern.   Condition Some customers may comment that they hear a tick or rattle type noise coming from the engine compartment – This noise may be noticeable … Read more

A/C Compressor Normal Noise and Vibration – 2019-2022 Chevrolet Colorado

2022 Chevrolet Colorado

NHTSA ID Number: 10222800 Manufacturer Communication Number: 22-NA-154 Summary This informational bulletin is for Korea to see normal operation of A/C compressor.   Condition Some customers may comment on the following: A/C compressor may intermittently exhibit higher than usual levels of noise and vibration Occasionally a booming sound may be heard between 1500 to 2000 engine RPM … Read more

Rattle Noise from Driver’s Side Dash Area – 2020-2022 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2022 Chevrolet Silverado 2500

NHTSA ID Number: 10202395 Manufacturer Communication Number: PIT5853 Summary This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.   Condition Some customers may comment on a rattle noise from the driver side dash area in park at idle or while driving.   Cause The retainer clips that hold the … Read more

Grind Noise From Brakes – 2021 Chevrolet Equinox & GMC Terrain

2021 Chevrolet Equinox

NHTSA ID Number: 10201298 Manufacturer Communication Number: PIT5812B   Summary This preliminary information addresses a brake noise concern engineering is investigating at this time.     Condition: Grinding noise on brake apply cold that dissipates after a few stops.   Cause: New no copper pad composition.     SEOCONTENT-START Bulletin No.: PIT5812B Published date: 06/30/2021 Preliminary Information … Read more