Toyota Corolla (E120) 2002–2008 Repair Manual / Cooling / Thermostat
Toyota Corolla (E120): Thermostat
Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove fan and generator v belt
4. Remove generator assy
- Disconnect the wire clamp from the wire clip on the rectifire end frame.
- remove the rubber cap and nut, and disconnect the alternator wire.
- disconnect the alternator connector.
- Remove the 2 bolts and alternator.
5. Remove water inlet
6. Remove thermostat
7. Install thermostat
- Install a new gasket to the thermostat.
- install the thermostat with the jiggle valve upward as shown in the illustration.
8. Install water inlet
Torque: 11 nvm (113 Kgf·cm, 8 ft·lbf)
9. Install generator assy
Torque:
12mm head 25 nvm (250 Kgf·cm, 18 ft·lbf)
14mm head 54 nvm (550 Kgf·cm, 39 in.Vlbf)
10. Add coolant
11. Check engine coolant leak
Other materials:
On–vehicle inspection
1. Inspect drive belt
Visually check the belt for excessive wear, frayed cords,
etc.
If any defect is found, replace the drive belt.
Hint:
cracks on the rib side of a belt are considered acceptable. If the
missing chunks from the ribs are found on the belt, it should be
replaced.
2 ...
Inspection procedure
1 Inspect dlc3 terminal voltage(ts terminal)
Turn the ignition switch to on.
measure voltage between terminals ts and cg of dlc3.
Ok:
voltage: 10 – 14 v
2 Check harness and connector(dlc3 – body ground)
Check for open and short circuit in harness and connector between
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Uniform Tire Quality
Grading
This information has been prepared
in accordance with regulations
issued by the National
Highway Traffic Safety Administration
of the U.S. Department of
Transportation.
It provides the purchasers
and/or prospective purchasers
of Toyota vehicles with information
on uniform tire quality grading.
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