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February 28, 2025 Service bulletin

Fuel/propulsion system

Mack technical service bulletin S4342-202502 for 2024-2025 Mack Anthem (An), 2024-2025 Mack Granite (GR) and 2024-2025 Mack LR and others.

Bulletin number
S4342-202502
Component
Fuel/propulsion system
Summary
Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.

Owners of these vehicles have filed 4 complaints in the fuel system category.

Vehicles covered

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