Sienna LE V6-3.0L (1MZ-FE) (1998)
Heater Control Valve: Service and Repair
REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT: It is not necessary to drain out all coolant.
2. DISCONNECT WATER VALVE CONTROL CABLE FROM WATER VALVE
HINT: At the time of installation, please refer to the following item.
For installing control cable, refer to "INSTALLATION".
3. Single A/C Models:
DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPE AND WATER INLET HOUSING
a. Using pliers, grip the claws of hose clips and slide the hose clips along the hose.
b. Disconnect the water hoses.
4. Dual A/C Models:
DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPE, WATER VALVE AND WATER INLET HOUSING
a. Using pliers, grip the claws of hose clips and slide the hose clips along the hose.
b. Disconnect the water hoses.
5. REMOVE WATER VALVE
Remove nut and water valve.
INSTALLATION
Installation is in the reverse order of removal