Toyota Corolla (E120) 2002–2008 Repair Manual / Cooling / Coolant
Toyota Corolla (E120): Coolant
Replacement
1. Drain coolant

Caution
: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.
- remove the radiator cap.
- loosen the radiator and engine drain plugs, and drain the coolant.
- close the drain plugs.
Torque: 13 nvm (130 Kgf·cm, 9 ft·lbf) for engine
2. Add coolant
- Slowly fill the system with coolant.
Hint
:
- use of improper coolants may damage engine cooling system.
- Use ”toyota long life coolant” or equivalent and mix it with plain water according to the manufacturer’s directions.
- Using of coolant with includes more than 50 % (freezing protection down to –35 c (–31 f) or 60 % (freezing protection down to –50 c (–58 f)) of ethylene–glycol is recommended but not more than 70 %.
Notice
:
- do not use an alcohol type coolant or plain water alone.
- The coolant should be mixed with plain water (preferably
demineralized water).
Capacity: 6.5 Liters (6.9 Us qts, 5.7 Lmp. Qts)
3. Check engine coolant leak
- fill the radiator with coolant and attach a radiator cap tester.
- pump it to 118 kpa and check leakage.
Other materials:
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...
Automatic transaxle assy (atm)
Precaution
The automatic transaxle is composed of highly precision–finished
parts, necessitating careful
inspection before reassembly because even a small nick could cause fluid
leakage or affect
the performance. The instructions here are organized so that you work on
only o ...
Inspection
1. Headlamp dimmer switch assy
Inspect light control switch continuity.
Measure the resistance according to the value(s) in
the table below.
Standard:
Inspect headlight dimmer switch continuity.
Measure the resistance according to the value(s) in
the tabl ...


