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May 17, 2022 Service bulletin

Mack Chassis -Â Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information

Mack technical service bulletin KC-659 for 2017-2022 Mack Anthem (An), 2018-2023 Mack Granite (GR) and 2017-2018 Mack Gu and others.

Bulletin number
KC-659
Component
Fuel system, diesel
Summary
Mack Chassis -Â Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions Prior To US17+OBD16 (Common Rail Fuel System), Model Year 2017 And Older

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