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May 26, 2022 Service bulletin

DEF Pump Troubleshooting Guide

Mack technical service bulletin KC-2165 for 1990-1999, 2001 Mack Mack, 2016-2022 Mack Anthem (An) and 2018-2023 Mack Granite (GR) and others.

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

Owners of these vehicles have filed 13 complaints in the engine category.

Vehicles covered

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