TSB Document:

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

Summary
GMC/CHEVROLET: IF NOT TORQUED TO SPECIFICATION, ON CERTAIN TRUCKS, BOLTS ON 4 WATER PUMP PULLEY, COULD BACK OUT OR BREAK. *PE

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Date Published
JUN 01, 2012
NHTSA TSB #
10045041
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