1. Drain engine oil.
2. Remove drive pulley (A).
3. Remove the camshaft timing belt.
4. Remove the belt tensioner.
5. Remove the back cover (A).
6. Disconnect the oil pan (A) from the cylinder block.
7. Remove gear (IN) crankshaft with bolt (A).
8. Remove the oil receiver (A).
9. Unscrew the fastening bolts (A) and remove the oil pump assembly (IN).
10. Unscrew the fastening bolts (A) and remove the cover (IN) oil pump assembly with inner pump rotor.
11. Remove the outer rotor from the oil pump housing.
12. Remove the old sealing collar from the oil pump housing.
13. Remove the O-ring (A) from the oil pump housing (IN).
14. Unscrew the plug (A) pressure reducing valve and remove the seal (IN), spring (C) and plunger (D).
15. Remove the oil filter. Replace filter.