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March 31, 2023 Service bulletin

Oil In Coolant

Mack technical service bulletin KC-2259 for 2020-2022 Mack Anthem (An), 2020-2022 Mack Granite (GR) and 2020-2022 Mack Pinnacle (Pi/PN) and others.

Bulletin number
KC-2259
Component
Engine and engine cooling
Summary
Oil In Coolant - Cross Contamination From Oil Cooler - 13L VGT Engines

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