Oil Pump: Service and Repair

Remove lower timing case, refer to Timing Components





Release screws, remove oil-pump cover.
Lift out rotor set.

Note: Outer and inner rotor form a matched pair and must always be replaced as a set.





Caution: Strong spring force.

Using a suitable drift, press spacer down until circlip is no longer under strain.
Remove circlip, remove control valve.





Installation sequence:
1. Control valve
2. Coil spring
3. Space bush
4. Circlip