Power Steering Motor: Testing and Inspection

EHPS - MOTOR Pressure Test

1. Disconnect the pressure tube from the power steering motor and then install the special tools between the motor and the pressure tube as illustrated below.
2. Start the engine and turn the steering wheel several times so that the fluid temperature rises to approx. 50 - 60 C (122 F).
3. Set the engine speed to approx. 1000rpm.
4. Close the shut-off valve of the special tools and measure the fluid pressure.

Relief pressure:108.3 - 116 BAR

CAUTION:
Do not keep the shut-off valve on the pressure gauge closed for longer than 10 seconds.

5. Remove the special tools, and than connect the pressure tube to the motor by tightening the eye bolt.
6. Bleed the power steering system.