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January 17, 2022 Service bulletin

Mack Chassis

Mack technical service bulletin KC-351 for 2016-2020 Mack Granite (GR) and 2016-2020 Mack Granite (Gu).

Bulletin number
KC-351
Component
Engine and engine cooling
Summary
Mack Chassis - Granite Models (GU, GR) - Revised Fan Ring Design; Engine Cooling Fan Ring Cracked At Welds - Model Years 2016 To 2020

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