Bump Feel Or Clunk Noise After A Stop – 2007-2021 Chevrolet Silverado & GMC Sierra

2021 Chevrolet Silverado

NHTSA ID Number: 10184142 Manufacturer Communication Number: PIT5161H   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may … Read more

Perceived Brake Fluid Leak At Caliper Piston Boot – 2014-2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10185734 Manufacturer Communication Number: PIT5479D   Summary This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the … Read more

Information on Internal Engine Noise or Damage After Oil Filter Replacement – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222771 Manufacturer Communication Number: 07-06-01-016H Summary This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.   Important: Engine damage that is the result of an incorrect or improperly installed engine oil filter is not a warrantable claim. The best way to avoid oil filter  quality concerns is to … Read more

Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up – GM Passenger Cars and Light Duty Trucks

2018 Chevrolet Camaro ZL1

NHTSA ID Number: 10163263 Manufacturer Communication Number: 060847001O Summary This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.   799 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK CENTURY 2004-2005 BUICK ENCLAVE 2008-2020 BUICK ENCORE 2013-2020 BUICK ENVISION 2016-2019 BUICK LACROSSE 2005-2019 BUICK … Read more

Various Engine Noises During Cold Start and Warm Engine Operation – 2014-2020 Cadillac Chevrolet GMC

2019 Chevrolet Silverado

NHTSA ID Number: 10174305 Manufacturer Communication Number: 140604004F   Summary This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.   91 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CTS 2016, 2018-2019 CADILLAC ESCALADE 2015-2020 CADILLAC ESCALADE ESV 2015-2020 CHEVROLET … Read more