Sienna FWD V6-3.3L (3MZ-FE) (2006)
Thermostat: Service and Repair
REMOVAL
1. DRAIN COOLANT
2. REMOVE BATTERY
3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
4. REMOVE AIR CLEANER FILTER ELEMENT SUB ASSEMBLY
5. REMOVE NO. 2 AIR CLEANER INLET
6. REMOVE AIR CLEANER CASE
7. REMOVE AIR CLEANER BRACKET
8. REMOVE NO. 1 AIR CLEANER INLET
9. REMOVE STARTER ASSEMBLY
10. DISCONNECT RADIATOR HOSE OUTLET
11. REMOVE WATER INLET
a) Disconnect the wire harness clamp.
b) Remove the bolts, the 3 nuts and the water inlet.
12. REMOVE THERMOSTAT
INSTALLATION
1. INSTALL THERMOSTAT
a) Install a new gasket to the thermostat.
b) Align the thermostat jiggle valve with the upper stud bolt, and insert the thermostat in the water inlet housing.
HINT: The jiggle valve may be set within 150 of either side of the prescribed position.
2. INSTALL WATER INLET
Torque:
8.0 Nm (82 kgf-cm, 71 inch lbs.) for Nut
20 Nm (199 kgf-cm, 14 ft. lbs.) for Bolt
3. INSTALL STARTER ASSEMBLY
4. INSTALL NO. 1 AIR CLEANER INLET
5. INSTALL AIR CLEANER BRACKET
6. INSTALL AIR CLEANER CASE
7. INSTALL NO. 2 AIR CLEANER INLET
8. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
9. ADD COOLANT
10. CHECK FOR ENGINE COOLANT LEAKAGE