Engine Oil Pump Overhaul
Inspection
  1. Remove the screws from the pump housing, then separate the housing and cover.
  1. Check the inner-to-outer rotor radial clearance between the inner rotor (A) and outer rotor (B). If the inner-to-outer rotor radial clearance exceeds the service limit, replace the oil pump assembly.

    Inner Rotor-to-Outer Rotor Radial Clearance

    Standard (New):
    0.02−0.16 mm (0.001−0.006 in.)
    Service Limit:
    0.20 mm (0.008 in.)