Toyota Corolla (E120): On–vehicle inspection
1. Inspect brake booster
- Airtightness check.
- Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
Hint
: if the pedal goes down farthest at the 1st time, but gradually rises after the 2nd or 3rd time, the booster is airtight.
- Depress the brake pedal while the engine is running,
and stop the engine with the pedal depressed.
Hint
: if there is no change in the pedal reserve distance after holding the pedal for 30 seconds, the booster is airtight.
- Operating check.
- Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance.
- Depress the brake pedal and start the engine.
Hint
: if the pedal goes down slightly, operation is normal.
2. Inspect vacuum check valve
- check vacuum check valve.
- Slide the clip and disconnect the vacuum hose.
- Remove the vacuum check valve.
- Check that there is ventilation from the booster to engine, and no ventilation from the engine to the booster.
- If any fault is found, replace the vacuum check valve.
Other materials:
Hood
Adjustment
Hint:
since the centering bolt is used as a hood hinge and hood lock
set bolt, the hood and hood lock can not be adjusted with it on.
Substitute a bolt with washer for the centering bolt.
1. Inspect hood sub–assy
Check that the clearance is within the standard value.
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On–vehicle inspection
1. Inspect refrigerant pressure with manifold gauge set
this is a method in witch the trouble is located by using
a manifold gauge set. Read the manifold gauge pressure
when the these conditions are established.
Test conditions:
temperature at the air inlet with the switch set
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Cooling
Preparation
Recomended tools
Equipment
Coolant
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