Transmission Fluid Leak Near Bellhousing Area – 2020-2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD
NHTSA ID Number: 10205564 Manufacturer Communication Number: 21NA238 Summary This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. 10 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 3500 2020-2021 CHEVROLET SILVERADO 2500 2020-2021 CHEVROLET SILVERADO 3500 2020-2021 GMC SIERRA 2500 2020-2021 GMC SIERRA 3500 2020-2021 …