GS 450h V6-3.5L (2GR-FSE) Hybrid (2007)
2. REMOVE ENGINE UNDER COVER
3. REMOVE COOL AIR INTAKE DUCT SEAL
4. REMOVE NO. 1 AIR CLEANER INLET
5. DRAIN ENGINE COOLANT
6. REMOVE V-BANK COVER SUB-ASSEMBLY
7. DISCONNECT RADIATOR HOSE OUTLET
8. REMOVE WATER INLET SUB-ASSEMBLY WITH THERMOSTAT
(a)
Remove the 3 nuts, water inlet with thermostat and gasket.
INSPECTION
1. INSPECT WATER INLET SUB-ASSEMBLY WITH THERMOSTAT
HINT: The water inlet with thermostat is stamped with the valve opening temperature.
(a)
Immerse the water inlet with thermostat in water and gradually heat the water.
(b) Check the valve opening temperature.
Standard valve opening temperature: 80 to 84°C (176 to 183°F)
If the valve opening temperature is not within the specified range, replace the water inlet subassembly with thermostat.