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

4. Remove generator assy

  1. Disconnect the wire clamp from the wire clip on the rectifire end frame.
  2.  remove the rubber cap and nut, and disconnect the alternator wire.
  3.  disconnect the alternator connector.

  1. Remove the 2 bolts and alternator.

5. Remove water inlet

6. Remove thermostat

7. Install thermostat

  1. Install a new gasket to the thermostat.
  2.  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

    Share this page:

    Other materials:

    General information
    There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...

    Circuit description
    The d squib circuit consists of the airbag sensor assy center, spiral cable sub–assy and horn button assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd step). Wiring diagra ...

    Circuit description
    The side squib (rh) circuit consists of the airbag sensor assy center and front seat airbag assy (rh). It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0110/43 is recorded when a short is detected in the side squib (rh) circuit. Wiring diagram ...