Steering Pump Pressure Test
- Discharge accumulator by operating brake pedal 20 times. Disconnect pressure line from pump. Connect Pressure Tester (32-4-000).
- Disconnect pressure line from control regulator. Connect Pressure Gauge. Shut pressure cut-off valve on gauge. Open cut-off valve on pressure line.
- Bleed system with engine running at idle. Close valve in pressure line for 10 seconds maximum while reading pressure. On all models except 735i, 735iL and 750iL, pressure should be 1422-1564 psi (100-110 kg/cm2
).
- On 735i, 735iL and 750iL, pressure should be 1849-1991 psi (130-140 kg/cm2
). If pressure is not within limits, check belt tightness. Repair or replace pump if belt adjustment does not remedy problem.
Courtesy of BMW OF NORTH AMERICA, INC.
Courtesy of BMW OF NORTH AMERICA, INC.