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

Squeak Chirp Whistle Rattle Type Noise from Rear of Vehicle (Passive Exhaust Valve) or Buffeting Vibration Drone Exhaust Tone Change Body Pressure Booming (AFM Exhaust) – 2014-2017 Cadillac Chevrolet & GMC

2017 Cadillac Escalade

NHTSA ID Number: 10184134 Manufacturer Communication Number: PIT5404G   Summary This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming.  Replace or repair any of the issue that was found in the inspection. If … Read more

Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D – 2012-2018 Cadillac Chevrolet GMC

2018 Cadillac Escalade

NHTSA ID Number: 10123219 Manufacturer Communication Number: PIT5206F Summary This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages “ Brake Pedal Override Feature “, transmission busy or frequent shifting up or down, and Diagnostic … Read more

Accessory Tonneau Cover Service Parts – 2014-2018 Chevrolet & GMC

2018 Chevrolet Silverado

NHTSA ID Number: 10139281 Manufacturer Communication Number: 140879001C Summary This informational bulletin provides a list of parts/replacement parts for the tonneau covers.   13 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2017 CHEVROLET SILVERADO 1500 2014 CHEVROLET SILVERADO 2500 2015-2016, 2018 GMC SIERRA 2017 GMC SIERRA 1500 2014 GMC SIERRA 2500 2015-2016, 2018 GMC SIERRA DENALI … 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