Buick TSB #18-NA-073

2020 Buick Regal TourX

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

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Date Published
MAR 17, 2023
NHTSA TSB #
10233969
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