Buzz / Rattle Noise From Right Rear Of Vehicle – 2015-2016 Cadillac Chevrolet GMC

2016 Cadillac Escalade

NHTSA ID Number: 10096241 Manufacturer Communication Number: PIT5496 Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR BUZZ NOISE FROM THE REAR OF THE VEHICLE. TECHNICIAN WILL NEED TO REMOVE RIGHT REAR INNER FENDER WELL AND INSPECT THE REAR AUXILIARY HEATER / … Read more

Whine Noise Operating In 4WD – 2015-2018 Chevrolet Silverado & GMC Sierra

2018 Chevrolet Silverado

NHTSA ID Number: 10126957 Manufacturer Communication Number: PIP5245B Summary This Preliminary Information communication provides information to the technician on how to diagnose vehicles with various noises associated with four wheel drive operation. Before beginning any diagnosis it is imperative to review the Symptoms – Transfer Case in Service Information and perform the necessary inspections. In all cases … Read more

Faint High Pitched Whine Noise In Auto 4 Wheel Drive – 2014-2017 Chevrolet GMC Cadillac

2017 Chevrolet Silverado

NHTSA ID Number: 10096054 Manufacturer Communication Number: PIP5261A Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. WHEN THE TRANSFER CASE CONTROL MODULE HAS TO MOVE THE TRANSFER CASE ACTUATOR MOTOR THE HIGHER CURRENT PASSING THROUGH THE … Read more

Information on Driveline Clunk Noise – 2020 and Prior GM Passenger Cars and Trucks

2020 Chevrolet Silverado

NHTSA ID Number: 10168212 Manufacturer Communication Number: 990420002K Summary This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.   532 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2010-2020 BUICK ENCORE 2013-2020 BUICK ENVISION 2016-2020 BUICK LACROSSE 2010-2019 BUICK LUCERNE 2010-2012 BUICK REGAL 2011-2020 … Read more

Whistle Noise From Inside Vehicle – 2014-2019 Cadillac, Chevrolet & GMC

2019 Chevrolet Suburban

NHTSA ID Number: 10151830 Manufacturer Communication Number: PIT5272B Summary This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on the left or right side A-pillar. Technician should also inspect … Read more