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December 13, 2023 Service bulletin

Engine and engine cooling

Mack technical service bulletin S7644 202312 for 2022 Mack Anthem (An), 2022 Mack Granite (GR) and 2022 Mack Granite (Gu) and others.

Bulletin number
S7644 202312
Component
Engine and engine cooling
Summary
Service Campaign: Mack trucks has determined the certain AN, GR, PI and TE model trucks with a MP-8 could have a defective oil pick-up strainer.

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