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Hydraulic System Pressure Test

  1. Connect pressure gauge between steering pump and steering gear. See Fig 1 . Ensure gauge can be seen from driving position. Ensure reservoir is full. Start engine.
    Fig 1: Installing Pressure Gauge
    G41938Courtesy of VOLVO CARS OF NORTH AMERICA.
  2. Turn steering wheel to full left and right lock for 10 seconds maximum. On cam gear type pump, pressure should be 1102-1204 psi (77.4-84.6 kg/cm2 ) On ZF type pump, pressure should be 1349-1450 psi (94.8-101.9 kg/cm2 ).
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