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Vane Pump Delivery Pressure Test

  1. Use a clamp to block off pressure and suction hoses. See Fig 1 . Remove 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 and run engine at idle. Record pressure gauge reading. Maximum running time for this measurement is 10 seconds. If pressure is not as specified, replace pressure relief valve or pump. See VANE PUMP DELIVERY PRESSURE SPECIFICATIONS table.
  3. Remove pressure testing gauge and install pressure line and banjo bolt. Refill fluid reservoir as necessary. Start engine and check for leaks.
VANE PUMP DELIVERY PRESSURE SPECIFICATIONS

Application psi (kg/cm2 )
100 1740-1885 (120-130)
Fig 1: Testing Vane Pump Delivery Pressure
G101274Courtesy of AUDI OF AMERICA, INC.
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