Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel – 2021 Chevrolet Silverado & GMC Sierra

2021 Chevrolet Silverado

NHTSA ID Number: 10198870 Manufacturer Communication Number: 21NA079   Summary This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error.     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2021 … Read more

Pop Noise From Front of Vehicle – 2021 Buick Envision

2021 Buick Envision

NHTSA ID Number: 10205572 Manufacturer Communication Number: 21NA250   Summary This bulletin advises the tech to replace the engine mounts if found the cause of the popping noise.     1 Affected Product Vehicle MAKE MODEL YEAR BUICK ENVISION 2021   Condition Some customers may comment on a pop noise heard from the front of vehicle when … Read more

Pop Noise Heard on Heavy Acceleration Only, Lack of Power When on the Highway, Stall- Multiple DTC’s or No DTC’s Set – 2021-2022 Buick Encore GX & Chevrolet Trailblazer

2022 Chevrolet Trailblazer

NHTSA ID Number: 10205559 Manufacturer Communication Number: 21NA215   Summary This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.     4 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2021-2022 CHEVROLET TRAILBLAZER 2021-2022   Condition Some customers may comment that a pop noise can … Read more

Pop Noise Heard Coming from Rear Roof of Cab Area – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10188399 Manufacturer Communication Number: 21NA018   Summary This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area.     6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2020 GMC SIERRA 1500 2019-2020 GMC SIERRA … Read more