Mack truck: on certain trucks, there is a loss of speed (LOW) assist
Mack technical service bulletin PI-0752 for 2011 Mack Gu, 2012 Mack Granite (Gu) and 2011-2012 Mack Mru and others.
- Bulletin number
- PI-0752
- Component
- Steering: hydraulic power assist: pump
- Summary
- Mack truck: on certain trucks, there is a loss of speed (low) assist. The pump flow and pressure must be tested before replacing tandem pump assembly.
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