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September 4, 2018 Service bulletin

Aftertreatment Hydrocarbon Injector (AHI, 7th Injector) Changes Between US10 And US17 (GHG17, Common Rail...

Mack technical service bulletin K76992557 for 2007-2019 Mack Granite (Gu), 2007-2019 Mack Pinnacle (Cxu) and 2007-2019 Mack Pinnacle (Chu) and others.

Bulletin number
K76992557
Component
Fuel system, gasoline: fuel injection system: fuel rail
Summary
Aftertreatment Hydrocarbon Injector (AHI, 7th Injector) Changes Between US10 And US17 (GHG17, Common Rail Fuel System) - Chassis Experiencing High soot Accumulation, Abnormal ( Too High, Overtemp, Too Low ) Regeneration Temperatures Following An Aftertreatment Hydrocarbon Injector Nozzle Replacement Procedure

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