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February 28, 2020 Service bulletin

This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and...

Chevrolet technical service bulletin 040601029J for 2006-2020 Chevrolet Malibu, 2006-2014, 2017-2020 Chevrolet Silverado 1500 and 2006-2020 Chevrolet Impala and others.

Bulletin number
040601029J
Component
Engine
Summary
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.

Owners of these vehicles have filed 20,549 complaints in the engine category.

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