Steering Pump Pressure
- On 733i and 735i, discharge accumulator by operating brake pedal 20 times. On all models, disconnect pressure line from pump. Connect pump pressure line to gauge.
- Disconnect pressure line from control regulator and connect it to pressure gauge. Shut cut-off valve on gauge. Open shut-off valve on pressure line See Figure .
- Bleed system with engine running at idle. After bleeding, close valve in pressure line for 10 seconds maximum and read pressure. On all models except 733i and 735i, pressure should be 1422-1564 psi. (100-110 kg/cm2 ).
- On 733i and 735i, 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.