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:
Engine assembly
Inspection
1. Inspect coolant
2. Inspect engine oil
3. Inspect battery
4. Inspect air cleaner filter element sub–assy
5. Inspect spark plug
6. Inspect fan and generator v belt
Hint:
you don’t need to check the belt deflection because auto tensioner is adopted.
7. Inspect ignition ti ...
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove horn button assy
Place the front wheels facing straight ahead.
using a torx socket wrench (t30), loosen the 2 torx
screws until the groove along the screw circumference
catches on the screw ca ...
Spiral cable sub–assy
Components
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
check that the front wheels are facing straight ahead.
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 ...