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April 19, 2018 Service bulletin

This informational bulletin provides information for engine oil life monitor operation calculation.

Chevrolet technical service bulletin 18NA125 for 2010-2018 Chevrolet Malibu, 2010-2011, 2014 Chevrolet Silverado 1500 and 2010-2018 Chevrolet Impala and others.

Bulletin number
18NA125
Component
Engine and engine cooling
Summary
This informational bulletin provides information for engine oil life monitor operation calculation.

Owners of these vehicles have filed 12,370 complaints in the engine category.

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