- 1. Remove oil pump
- 2. Disassemble oil pump • Detach oil pump cover (2) – Unscrew 6 bolts • Remove inner and outer rotors
- 3. Remove oil pump pressure regulating valve • Remove bolt (1) • Remove piston spring
- 4. Inspect components • Oil pump housing, inner rotor, outer rotor, oil pump cover • Oil pump pressure regulating valve – Pistons, springs, pins
Note. Check for ease of movement.
- 5. Check oil pump • Insert inner and outer rotor • Measure gap – With straightedge (3), feeler gauge (4) • Remove inner and outer rotors
Important. The bevel running around the outside edge of the outer rotor must face the oil pump housing.
Note. The permissible clearance between rotors and oil pump housing upper edge is 0.03 to 0.10 mm
- 6. Install oil pump pressure regulating valve • Replace seal ring • Insert piston spring – Coat with engine oil • Tighten bolt 50 Nm
- 7. Assemble oil pump • Insert inner and outer rotor – Coat with engine oil • Attach oil pump cover – Tighten 6x bolts 6 Nm
Important. The bevel running around the outside edge of the outer rotor must face the oil pump housing.
- 8. Install oil pump