Oil Pump: Service and Repair

Oil pump, disassembling and assembling





1. Drive shaft
^ For oil pump drive
2. Oil pump housing
3. 23 Nm
4. Gears
^ Checking backlash
^ Checking axial clearance
5. Oil pump cover with pressure relief valve
^ Clean strainer if soiled
^ Opening pressure: 5.3 5.7 bar
6. 8 Nm
^ Insert with locking compound D 000 600 A2
7. Oil pressure pipe
^ Coat cylinder block and oil pump housing with sealing compound AMV 188 001 02
8. 8 Nm
9. Seal
^ Replace if damaged





Fig. 1 Checking oil pump backlash
Special tools and equipment
^ Feeler gauge
Wear limit: 0.20 mm





Fig. 2 Checking oil pump axial clearance
Special tools and equipment
^ Straight edge
^ Feeler gauge
Wear limit: 0.10 mm