Poor Heater Performance On Drivers Side – 2019-2021 Cadillac Chevrolet GMC

2020 Chevrolet Silverado

NHTSA ID Number: 10205563 Manufacturer Communication Number: 21NA237   Summary This technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.     20 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET 3500 2020-2021 CHEVROLET SILVERADO 1500 2019-2021 CHEVROLET SILVERADO 2500 … Read more