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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Lacrosse 2001–2017technical service bulletin

Bulletin PIP3535C · NHTSA communication 10126983 · issued Dec 19, 2017

Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2017
model years
60
vehicle entries

Official 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.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.