Power Steering Pump: Testing and Inspection

Inspection

1. Check that the flow control valve is not bent.
2. Check the shaft for wear and damage.
3. Check the grooves of the rotor and vanes for stratified abrasion.
4. Check the contact surface of the cam ring and vanes for stratified abrasion.
5. Check vanes for damage.
6. Check that there is no striped wear in the side plate or contacting part between the shaft and the pump cover surface.