Mack: power steering hose, replacement
Mack technical service bulletin SP-645-641 for 2011 Mack Gu, 2011 Mack Pinnacle (Cxu) and 2011 Mack Pinnacle (Chu).
- Bulletin number
- SP-645-641
- Component
- Steering: hydraulic power assist: hose, piping, and connections
- Summary
- Mack: power steering hose, replacement. A blue silicone heater hose was incorrectly substituted and installed on return side of power steering system for power steering cooler during production. Need to replace hoses and power steering filter.
Vehicles covered
- Mack Gu 2011 2011
- Mack Pinnacle (Cxu) 2011 2011
- Mack Pinnacle (Chu) 2011 2011
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