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February 10, 2023 Service bulletin

Mack DEF Pump Troubleshooting Guide

Mack technical service bulletin KC-2165 for 2015-2023 Mack Granite (GR), 2010-2018 Mack Cxu and 2010-2023 Mack Granite (Gu) and others.

Bulletin number
KC-2165
Component
Engine and engine cooling
Summary
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions

Owners of these vehicles have filed 2 complaints in the engine category.

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