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August 3, 2016 Service bulletin

This preliminary information communicates information to the technician about vehicles that may have a...

Chevrolet technical service bulletin PIT5420B for 2015-2016 Chevrolet Colorado and 2015-2016 GMC Canyon.

Bulletin number
PIT5420B
Component
Engine and engine cooling
Summary
This preliminary information communicates information to the technician about vehicles that may have a water rush or gurgle type noise from the center dash area. Engineering is aware of the concern and it is under investigation. Inspect the system for coolant leaks and proper coolant level. No other repairs are to be performed at this time.

Owners of these vehicles have filed 122 complaints in the engine category.

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