Belt Chirp Noise and-or Harmonic Balancer Rubbing on Timing Cover – 2019-2020 Chevrolet Silverado & GMC Sierra & Silverado 4500HD, 5500HD, 6500HD

2020 Chevrolet Silverado

NHTSA ID Number: 10193467 Manufacturer Communication Number: PIP5742A   Summary This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.     10 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 …

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Clunk Pop Rattle Knock Click Type Noise Heard or Felt In The Steering – 2020-2021 Chevrolet Silverado & GMC Sierra 2500/3500

2021 Chevrolet Silverado

NHTSA ID Number: 10193470 Manufacturer Communication Number: PIT5809A Summary This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft.     Condition Some customers may comment on a clunk, pop, rattle, or knock type noise that can …

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Hot Idle Tick Noise from Engine – 2021 Chevrolet Silverado & GMC Sierra 1500

2021 Chevrolet Silverado 1500

NHTSA ID Number: 10201323 Manufacturer Communication Number: PIP5817   Summary This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Testing to isolate the noise to the upper engine / valve train and repair recommendations related to valve train components.     2 Affected Products Vehicles MAKE MODEL YEAR …

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Engine Compartment and/ or Inside the IP/Dashboard Tick or Rattle Noise From Purge Solenoid Resonance Through PCV Tube – 2020-2021 Buick Enclave & Chevrolet Traverse

2021 Buick Enclave

NHTSA ID Number: 10201269 Manufacturer Communication Number: PIP5796B   Summary This Preliminary information communicates a noise from the purge hose heard in the vehicle and the repair preliminary instructions to dampen this noise. PI was modified to add a special labor operation for this PI.     4 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2020-2021 …

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Rattle or Creak Noise Heard Coming From Driver Left Rear Quarter Panel Area When Driving Over Bumps – 2021 Chevrolet Trailblazer

2021 Chevrolet Trailblazer

NHTSA ID Number: 10198864 Manufacturer Communication Number: 21NA017   Summary This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.     1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET TRAILBLAZER 2021   Condition Some customers may …

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