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June 14, 2018 Service bulletin

Mack Chassis

Mack technical service bulletin K31378153 for 2018-2019 Mack Anthem (An), 2018 Mack Gu and 2018 Mack Cxu and others.

Bulletin number
K31378153
Component
Power train: manual transmission
Summary
Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% - US17+OBD16 (GHG17) And Newer Emissions, Common Model Years 2018 And Newer

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