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:
Exhaust gas precautions
Harmful substance to the human body is included in exhaust gases if inhaled.
CAUTION
Exhaust gases include harmful carbon monoxide (CO), which is colorless and odorless.
Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to an
accident c ...
Replacement
Hint:
installation is according to the reverse order of the removal.
1. Remove rear door weatherstrip rh
2. Remove rear door weatherstrip lh
3. Remove rear seat cushion assy (, 72–8)
4. Remove rear seat back assy (fixed type rear seat)
5. Remove separate type rear seat back assy (separate ...
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 o ...


