Toyota Corolla (E120): Overhaul
1. Remove oil pump relief valve

- Remove the oil pump relief valve plug, oil pump relief valve spring and oil pump relief valve.
- Oil pump relief valve plug
- oil pump relief valve spring
- oil pump relief valve
2. Inspect oil pump assy

- Remove 3 screws and oil pump cover.

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

- inspect rotor tip clearance.
- 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.)

- Inspect body clearance.
- 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.)

- Inspect rotor side clearance.
- 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.)

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

- 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

- 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)
- oil pump relief valve plug
- oil pump relief valve spring
- oil pump relief valve
Other materials:
If you think something is wrong
If you notice any of the following
symptoms, your
vehicle probably needs
adjustment or repair. Contact
your Toyota dealer as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle.
(Water dripping from the air
conditioning after use is normal.)
Flat-looking tires or uneven
tire wear
...
Rear combination lamp assy lh
Replacement
Using a clipremover, remove the 2 clips and disconnect
the luggage compartment trim cover lh.
Disconnect the connector and remove the 3 nuts.
Pull out the rear combination light assy lh to the back of
the vehicle, and remove.
...
Inspection procedure
1 Check security indicator light
Remove the security indicator.
check the indicator light, as shown in the illustration and
table.
Standard:
2 Check wire harness (tvip ecu security indicator)
Disconnect the tvip ecu and security indicator connectors.
  ...


