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May 17, 2022 Service bulletin

Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors)

Mack technical service bulletin KC-644 for 2016-2022 Mack Anthem (An), 2018-2023 Mack Granite (GR) and 2008, 2010-2011 Mack CXU612 and others.

Bulletin number
KC-644
Component
Engine and engine cooling
Summary
Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer

Owners of these vehicles have filed 5 complaints in the engine category.

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