OIL PUMP INSPECTION


  1. REMOVE OIL PUMP ROTOR SET


    1. A01BFV2E01

      Remove the 7 bolts and oil pump cover.

    2. Remove the oil pump rotor set from the timing chain cover.

  2. INSPECT OIL PUMP RELIEF VALVE


    1. A01BF36E02

      Coat the relief valve with engine oil and drop it into the relief valve hole.

    2. Check that the relief valve falls in smoothly by its own weight. If it does not, replace the relief valve. If necessary, replace the timing chain cover.

  3. INSPECT OIL PUMP ROTOR SET


    1. A01BFO8E01

      Install the rotors to the oil pump body with the rotors' marks facing outward. Check that the rotors revolve smoothly.

    2. Check the tip clearance.


      1. A01BCVWE01

        Using a feeler gauge, measure the clearance between the drive and driven rotor tips, as shown in the illustration.

        Tip clearance
        Condition Clearance
        Standard 0.040 to 0.160 mm (0.0016 to 0.0063 in.)
        Maximum 0.26 mm (0.0102 in.)

        If the tip clearance is greater than the maximum, replace the oil pump rotor set.

    3. Check the side clearance.


      1. A01BDVWE01

        Using a feeler gauge and precision straightedge, measure the clearance between the rotors and precision straightedge, as shown in the illustration.

        Side clearance
        Condition Clearance
        Standard 0.025 to 0.075 mm (0.0010 to 0.0030 in.)
        Maximum 0.130 mm (0.0051 in.)

        If the side clearance is greater than the maximum, replace the timing chain or belt cover sub-assembly.

    4. Check the body clearance.


      1. A01BI0XE01

        Using a feeler gauge, measure the clearance between the oil pump body and driven rotor, as shown in the illustration.

        Body clearance
        Condition Clearance
        Standard 0.250 to 0.325 mm (0.0100 to 0.0128 in.)
        Maximum 0.130 mm (0.0167 in.)

        If the side clearance is greater than the maximum, replace the timing chain or belt cover sub-assembly.

  4. INSTALL OIL PUMP ROTOR SET


    1. A01BFO8E01

      Coat the oil pump gear set with engine oil and place it into pump body with the marks facing outward (pump body cover side). Check that the rotors revolve smoothly.

    2. A01BFV2E01

      Install the oil pump cover with the 7 bolts.

      Torque:
      9.0 N*m  { 92 kgf*cm, 80 in.*lbf }