Information on Duramax Diesel 6.6L Common Engine Noises – 2017-2023 Chevrolet Silverado & GMC Sierra

2021 Chevrolet Silverado 1500

NHTSA ID Number: 10222651 Manufacturer Communication Number: 16-NA-372 Summary This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.   41 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2017-2019 CHEVROLET SILVERADO 2500 2019-2023 CHEVROLET SILVERADO … Read more