Oil Pump: Service and Repair

Removing and Installing/Replacing Oil Pump
Unscrew oil sump, refer to Oil Pan, Engine, Service and Repair.





Caution:
Left-hand threads.
Unscrew nut (1).

Installation:
Tightening torque, refer to Specifications, Mechanical.





Press back chain tensioner (2).
Detach sprocket wheel (3) from teeth. Feed out sprocket wheel (3).

Installation:
Align teeth of sprocket wheel and oil pump shaft to each other.





Remove return pipe (1) and suction pipe (2).
Remove oil pump.

Installation:
Replace O-ring on suction pipe (2).





Installation:
Check dowel sleeves (1) for damage and correct installation position.





If necessary, remove control piston.
Press sleeve downwards with suitable drift.

Caution: The sleeve for the control plunger is under spring pressure.

Remove circlip.





Installation:
1. Control plunger
2. Spring
3. Sleeve
4. O-ring (replace)
5. Circlip