Power Steering Oil Pump: Inspection

Fig 1: Exploded View Of Power Steering Oil Pump

Courtesy of KIA MOTORS AMERICA, INC.

NOTE: Replace the pump assembly if necessary.

Check the front and rear pump bodies for cracking or other damage and for abnormal wear of the moving surface of the rotor.

Fig 2: Checking The Front And Rear Pump Bodies For Cracking Or Other Damage
Courtesy of KIA MOTORS AMERICA, INC.
Check the moving surface of the cam ring's vanes for abnormal wear.
Check the moving surface of the side plate and the pump bodies for abnormal wear.
Check the moving surface of the vane cam ring for abnormal wear.
Check the clearance of the rotor and vanes.

Fig 3: Checking Rotor And Vanes Clearance
Courtesy of KIA MOTORS AMERICA, INC.
Check the control valve for cracking and other damage, for clogging, and for abnormal wear of the moving part.
Check the spring for damage.

Fig 4: Checking The Spring For Damage
Courtesy of KIA MOTORS AMERICA, INC.