Buick TSB #PIP4173A

2007 Buick Lucerne

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This Preliminary information is to inform the dealer of a possible coolant leak from an engine expansion plug. The dealer is advised to seal and replace the core plug to correct the leak.

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Date Published
MAY 15, 2019
NHTSA TSB #
10161015
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