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:
Timing gear cover oil seal
Replacement
1. Remove engine under cover rh
2. Remove front wheel rh
3. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove the fan and generator belt v and
put back the v–ribbed belt tensioner little by little and fix
it ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...
Inspection procedure
1 Inspect transmission wire(s1)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
Connect the transmission connec ...


