Toyota Corolla (E120): Overhaul

1. Remove oil pump relief valve

  1. Remove the oil pump relief valve plug, oil pump relief valve spring and oil pump relief valve.
  1.  Oil pump relief valve plug
  2.  oil pump relief valve spring
  3.  oil pump relief valve

2. Inspect oil pump assy

  1. Remove 3 screws and oil pump cover.

  1. Inspect the oil pump relief valve.
  1.  Coat the valve with engine oil and check that it falls smoothly into the valve hole by it own weight.
  1.  inspect the oil pump rotor sub–assembly.
  1. Coat the oil pump gear set with engine oil and place them into the oil pump body. Check that the rotors revolves smoothly.

  1.  inspect rotor tip clearance.
  1. Using a feeler gauge, measure the clearance between the drive and driven rotor tips.

    Standard tip clearance: 0.040 – 0.160 Mm (0.0016 – 0.0063 In.)

  1. Inspect body clearance.
  1. Using a feeler gauge, measure the clearance between the driven rotor and body.

    Standard body clearance: 0.260 – 0.325 Mm (0.0102 – 0.0128 In.)

  1. Inspect rotor side clearance.
  1.  Using a feeler gauge and precision straight edge, measure the clearance between the rotors and precision straight edge.

    Standard side clearance: 0.025 – 0.071 Mm (0.0010 – 0.0028 In.)

  1. Install oil pump rotor sub–assembly.
  1.  Coat the oil pump gear set with engine oil and place it into pump body with the marks facing the pump body cover side.

  1. Install oil pump rotor sub–assembly.

    (1) Coat the oil pump gear set with engine oil and place it into pump body with the marks facing the pump body cover side.

3. Install oil pump relief valve

  1. Install the oil pump relief valve plug, oil pump relief valve spring and oil pump relief valve.

    Torque: 37 nvm (375 Kgf·cm, 27 ft·lbf)

  1.  oil pump relief valve plug
  2.  oil pump relief valve spring
  3.  oil pump relief valve
    Share this page:

    Other materials:

    Diagnosis system
    Description  when troubleshooting obd ii vehicles, the only difference from the usual troubleshooting procedure is that you need to connect an obd ii scan tool complying with sae j1987 or a hand–held tester to the vehicle, and read off various data output from the vehicle†...

    Inspection
    1. Intake air flow meter sub–assy Inspect the intake air flow meter resistance.  Using an ohmmeter, measure the resistance between terminals tha and e2. Resistance: at –20 c (–4 f) 13.6 To 18.4 KΩ at 20 c (68 f) 2.21 To 2.69 KΩ at 60 c (140 f) 0.49 To 0.67 ...

    Parking brake
    The parking brake can be set or released automatically or manually. In automatic mode, the parking brake can be set or released automatically according to shift lever operation. Also, even in automatic mode, the parking brake can be set or released manually. Operating instructions â–  Using the ma ...