Mack truck: on certain vehicles, the aftertreatment diesel exhaust fluid (DEF) solenoid valve was...
Mack technical service bulletin PI-0760 for 2010-2011 Mack Gu.
- Bulletin number
- PI-0760
- Component
- Engine and engine cooling: exhaust system
- Summary
- Mack truck: on certain vehicles, the aftertreatment diesel exhaust fluid (def) solenoid valve was incorrectly mounted backwards. This causes coolant to lift valve seat and flow continuously, overheating and possibly illuminating indicator malfunctioning light. Model gu.
Owners of these vehicles have filed 1 complaints in the engine category.
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