Inspection

PROCEDURE

1. Inspect the front cover for cracks or damage and replace if necessary.
2. Inspect the front oil seal for wear or damage to the sealing lip and replace if necessary.
3. Inspect the condition of the oil pan and replace if necessary.
4. Inspect the mesh oil strainer for damage and replace if necessary.
5. Inspect the front cover for wear or damage at the contact surfaces with the oil pump rotors and replace if necessary.
6. Inspect the condition of the relief valve installed in the front cover.
7. Inspect the relief valve spring for correct shape and damage.
Free length of spring: 46.6 mm
Length under load: 6.1 kg / 40.1 mm
8. Inspect the oil pump rotor teeth for wear or damage.

9. Using a feeler gauge, measure the clearance between the oil pump outer rotor and the housing in the cover.
Maximum allowable clearance of oil pump outer rotor: 0.12–0.18 mm

10. Using a feeler gauge, measure the clearance between the oil pump rotor teeth.
Maximum allowable clearance between oil pump rotor teeth: 0.001–0.003 mm
11. Using a metal straightedge and a feeler gauge, measure the side clearance of the oil pump rotors.
Maximum allowable side clearance of oil pump rotors: 0.04–0.06 mm