2015 Buick LaCrosse TSB 10157015

Buick TSB #PIP3535B

2015 Buick LaCrosse

TSB Document:

Affected Component: EQUIPMENT ADAPTIVE

Summary
This Preliminary Information communication informs dealer technicians of a potential whining noise that can occur after servicing the water pump, water pump chain or cylinder head without use of the water pump sprocket holding tool. Dealers are advised this condition is the result of a water pump chain tensioner ratcheting out. The dealer is directed to follow service information to reset the water pump chain tensioner to correct.

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Date Published
SEP 19, 2017
NHTSA TSB #
10157015
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