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GMC TSB #16NA249
2012 GMC Yukon Hybrid
Affected Component: ENGINE AND ENGINE COOLING
Date Published
AUG 08, 2016
NHTSA TSB #
10082447
TSB Document
SB-10082447-5448.pdf
Summary
THIS INFORMATIONAL BULLETIN EXPLAINS A POSSIBLE NORMAL WHINING NOISE FROM THE BALANCE SHAFT CHAIN IF THE VEHICLE HAS LESS THAN 10,000 MILES ON IT.