Lubrication

Overhaul

22steps
~132min
4/5difficulty
Done 0 of 22
1. Remove oil pump relief valve
Toyota Corolla. Remove oil pump relief valve
  1. Remove the oil pump relief valve plug, oil pump relief valve spring and oil pump relief valve.
  2. Oil pump relief valve plug
  3. oil pump relief valve spring
  4. oil pump relief valve
2. Inspect oil pump assy
Toyota Corolla.  Inspect oil pump assy
  1. Remove 3 screws and oil pump cover.
    Toyota Corolla.  Inspect oil pump assy
  2. Inspect the oil pump relief valve.
  3. Coat the valve with engine oil and check that it falls smoothly into the valve hole by it own weight.
  4. inspect the oil pump rotor sub–assembly.
  5. Coat the oil pump gear set with engine oil and place them into the oil pump body. Check that the rotors revolves smoothly.
    Toyota Corolla.  Inspect oil pump assy
  6. inspect rotor tip clearance.
  7. 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.)

    Toyota Corolla.  Inspect oil pump assy
  8. Inspect body clearance.
  9. 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.)

    Toyota Corolla.  Inspect oil pump assy
  10. Inspect rotor side clearance.
  11. 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.)

    Toyota Corolla.  Inspect oil pump assy
  12. Install oil pump rotor sub–assembly.
  13. Coat the oil pump gear set with engine oil and place it into pump body with the marks facing the pump body cover side.
    Toyota Corolla.  Inspect oil pump assy
  14. 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
Toyota Corolla. 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)

  2. oil pump relief valve plug
  3. oil pump relief valve spring
  4. oil pump relief valve

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.