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December 19, 2017 Service bulletin

Engine and engine cooling

Chevrolet technical service bulletin PIP3535C for 2004-2014 Chevrolet Malibu, 2014 Chevrolet Impala and 2010-2017 Chevrolet Equinox and others.

Bulletin number
PIP3535C
Component
Engine and engine cooling
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.

Owners of these vehicles have filed 7,183 complaints in the engine category.

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