Buick TSB #23-NA-122

2020 Buick Encore GX

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and how to fix it so that the engine does not have to be replaced.

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Date Published
DEC 18, 2023
NHTSA TSB #
10248716
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