#
OIL PUMP INSPECTION

BHE011014100E01

1. Measure the side clearance between the outer rotor and the body using a feeler gauge.

  • If it exceeds the maximum specification, replace the oil pump.

  Standard side clearance
  0.20-0.25 mm {0.0079-0.0098 in}
  Maximum side clearance
  0.3 mm {0.0118 in}

2. Measure the tip clearance between the inner rotor and the outer rotor using a feeler gauge.

  • If it exceeds the maximum specification, replace the oil pump.

  Standard tip clearance
  0.03-0.12 mm {0.0012-0.0047 in}
  Maximum tip clearance
  0.15 mm {0.0059 in}

3. Measure the body clearance between the rotor and the side housing using a straight edge and a feeler gauge.

  • If it exceeds the maximum specification, replace the oil pump.

  Standard body clearance
  0.03-0.125 mm {0.0012-0.0049 in}
  Maximum body clearance
  0.15 mm {0.0059 in}