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:

    Mechanical system tests
    1. Perform mechanical system tests Measure the stall speed. The object of this test is to check the overall performance of the transaxle and engine by measuring the stall speeds in the d and r positions. Notice: Do the test at normal operating atf temperature 50 to 80 °c (122 to ...

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

    Removal and installation of fuel control parts
    Place for removing and installing of fuel system parts  work in a place with good air ventilation and without anything flammable such as welder, grinder, drill, electric motor or stove in the surroundings.  Never work in a place such as a pit or nearby a pit, as there is a ...