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Delivery Pressure

  1. Use a clamp to block off the pressure and suction hoses. Remove the pressure hose and banjo bolt from steering pump. Install test gauge adapter and sealing washer in place of banjo bolt. Install pressure gauge. Remove hose clamp from suction hose.
  2. Start engine and run at idle. Record pressure gauge reading. Maximum running time for this measurement is 10 seconds. If pressure is not to specification, replace pressure relief valve or pump. Remove pressure testing gauge and install pressure line and banjo bolt. Refill fluid reservoir as necessary. Start engine and check for leaks.
PUMP DELIVERY PRESSURE

Application PSI Kg/cm2
80/90 1450-1595 102-112
Fig 1: Testing Pump Delivery Pressure
G101274Courtesy of AUDI OF AMERICA, INC.