Corolla L4-1.8L (2ZZ-GE) (2005)
Thermostat: Service and Repair
THERMOSTAT (2ZZ-GE)
REPLACEMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. DRAIN COOLANT
3. REMOVE ENGINE UNDER COVER RH
4. REMOVE CYLINDER HEAD COVER NO.2
a. Remove the 3 bolts and nut, then remove the cylinder head cover No.2.
5. REMOVE WIRE HARNESS PROTECTOR
6. SEPARATE SUCTION HOSE SUB-ASSEMBLY
7. REMOVE AIR SWITCHING VALVE ASSEMBLY
8. REMOVE FAN AND GENERATOR V BELT
9. REMOVE GENERATOR BRACKET NO.1
10. REMOVE GENERATOR ASSEMBLY
11. REMOVE WATER INLET
12. REMOVE THERMOSTAT
13. INSTALL THERMOSTAT
a. Install a new gasket onto the thermostat.
b. Install the thermostat with the jiggle valve upward as shown in the illustration.
14. INSTALL WATER INLET
Torque: 10 Nm (102 kgf-cm, 7 ft. lbs.)
15. INSTALL GENERATOR ASSEMBLY
16. INSTALL GENERATOR BRACKET NO.1
17. INSTALL AIR SWITCHING VALVE ASSEMBLY
18. INSTALL SUCTION HOSE SUB-ASSEMBLY
Torque: 9.8 Nm (100 kgf-cm, 87 inch lbs.)
19. INSTALL CYLINDER HEAD COVER NO.2
Torque: 7.0 Nm (71 kgf-cm, 62 inch lbs.)
20. CONNECT BATTERY NEGATIVE TERMINAL
21. ADD COOLANT
22. CHECK FOR ENGINE COOLANT LEAKAGE