Volvo truck: check if truck has loss of low speed assist; if a pool valve was replaced; check pump flow...
Volvo technical service bulletin SP-645-013 for 2011 Volvo VN and 2011-2012 Volvo VHD.
- Bulletin number
- SP-645-013
- Component
- Steering: hydraulic power assist: pump
- Summary
- Volvo truck: check if truck has loss of low speed assist; if a pool valve was replaced; check pump flow and pressure testing and replace tandem pump assembly; if damage to valve spool bore in pump housing then change tandem pump assembly.
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