GMC TSB #SBU-15178
2015 GMC Sierra 1500
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- CADILLAC/CHEVROLET/GMC: ON CERTAIN VEHICLES, A SERVICE PROCEDURE HAS BEEN PROVIDED REGARDING REPLACING REACTION/OUTPUT CARRIER ASSEMBLY DUE TO WHINNYING NOISE OF TRANSMISSION GEAR. MODEL ESCALADE, ESCALADE ESV, SILVERADO LD CREW, LTZ, SIERRA LD CREW, LD CREW DENALI, YUKON, YUKON DENALI, YUKON XL, XL DENALI. *PE