Buick TSB #PIP5257B

2011 Buick Enclave

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

Summary
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses.

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Date Published
JUL 12, 2018
NHTSA TSB #
10143762
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