N222391080 Defective Suspension Nuts – 2021-2022 Chevrolet 4500HD/5500HD/6500HD

2022 Chevrolet Silverado MD 6500

November 23, 2022 NHTSA CAMPAIGN NUMBER: 22V874000 Hex Flange Lock Nut May Break Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.   NHTSA Campaign Number: 22V874 Manufacturer General Motors, LLC Components EQUIPMENT Potential Number of Units Affected 5,861   Summary General Motors, LLC (GM) is recalling … Read more

N222368230 Potential Brake Fluid Leak – 2022 Chevrolet Silverado MD 4500HD/5500HD/6500HD

2022 Chevrolet Silverado MD 6500

May 20, 2022 NHTSA CAMPAIGN NUMBER: 22V364000 Improperly Tightened Brake Line May Leak A brake fluid leak can extend the distance required to stop the vehicle, increasing the risk of a crash.   NHTSA Campaign Number: 22V364 Manufacturer General Motors, LLC Components SERVICE BRAKES, HYDRAULIC Potential Number of Units Affected 39   Summary General Motors, LLC (GM) is recalling certain … Read more

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 … Read more

Malfunction Indicator Lamp (MIL) Illuminated During Engine Crank – DTC P0046 Set – 2017-2021 Chevrolet Silverado & GMC Sierra

2021 Chevrolet Silverado

NHTSA ID Number: 10198884 Manufacturer Communication Number: 21NA113   Summary This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.     17 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2017-2018 CHEVROLET SILVERADO 2500 2017-2021 CHEVROLET SILVERADO 4500HD 2019-2021 GMC SIERRA 2500 2017-2021 GMC SIERRA DENALI 2017-2018   Condition Some … Read more

Vibration Caused by Tires – 2019-2021 Chevrolet Silverado 4500HD/ 5500HD/6500HD

2022 Chevrolet Silverado 1500

NHTSA ID Number: 10205589 Manufacturer Communication Number: 21NA270   Summary This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires.     9 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 5500HD 2019-2021 CHEVROLET SILVERADO 4500HD 2019-2021 CHEVROLET SILVERADO 6500HD 2019-2021   Condition Some customers may comment on a vibration while driving.   Cause The cause … Read more