Water Inlet and Thermostat Assembly

WATER INLET AND THERMOSTAT ASSEMBLY

Removal and Installation
REMOVAL
1. Remove undercover with power tool.
2. Drain engine coolant from radiator drain plug at the bottom of radiator, and from water drain plug at the front of cylinder block. Refer to "Changing Engine Coolant" and "WATER PUMP".

CAUTION:
^ Perform this step when engine is cold.
^ Do not spill engine coolant on drive belts.

3. Remove air duct and air cleaner case. Refer to "AIR CLEANER AND AIR DUCT".
4. Remove water drain plug on water pump side of cylinder block.
5. Disconnect radiator hose (lower) and oil cooler hose from water inlet and thermostat assembly.





6. Remove water inlet and thermostat assembly.

CAUTION: Do not disassemble water inlet and thermostat assembly. Replace them as a unit, if necessary.

INSPECTION AFTER REMOVAL
1. Check valve seating condition at ordinary room temperatures. It should seat tightly.








2. Check valve operation.
^ If the malfunctioning condition, when valve seating at ordinary room temperature, or measured values are out of the standard, replace water inlet and thermostat assembly.

INSTALLATION
Note the following, and install in the reverse order of removal.
^ Be careful not to spill engine coolant over engine room. Use rag to absorb engine coolant.

INSPECTION AFTER INSTALLATION
^ Check for leaks of engine coolant using radiator cap tester adapter [SST: EG17650301 (J33984-A)] and radiator cap tester (commercial service tool). Refer to "LEAK CHECK".
^ Start and warm up engine. Visually make sure that there is no leaks of engine coolant.