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GMC TSB #PI1391

2004 GMC Sierra 1500

TSB Document:

MC-10139418-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This preliminary informational bulletin provides a diagnostic tip for coolant leak at oil cooler inlet pipe o-ring after service engine replacement.

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Date Published: JAN 15, 2015
NHTSA TSB #: 10139418

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