Toyota Corolla Repair Manual: 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
1. Drain engine oil
remove the oil pan drain plug and drain the engine oil.
2. Removal & installation chain sub–assy
3. Remove chain vibration damper no.1
remove 2 bolts an ...
Replacement
Caution:
prolonged and repeated contact with mineral oil will result in the
removal of natural fats from
the skin, leading to dryness, irritation and dermatitis. In addition, use ...
Other materials:
Eco Driving Indicator Light customization (except vehicles with a manual transmission)
Eco Driving Indicator Light can be activated or deactivated.
1 While the odometer is being displayed, press and hold the “DISP” switch to
display the Eco Driving Indicator Light customization screen.
2 Press the “DISP” switch to set Eco Driving Indicator Light to on or off.
3 Press and hold the ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Identification of problem
11 Parts inspection
12 Repair
1 ...
Setting speed dials
1 Select “Add SD” using . 2 Select
the desired data using .
3 Press and hold the desired preset button (from
to
).
For details about setting speed dials from the call history: For details about
deleting speed dials: ...
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