Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
Thermostat: Service and Repair
Removal
2ZR-FXE COOLING: THERMOSTAT: REMOVAL
1. REMOVE NO. 1 ENGINE UNDER COVER
2. REMOVE INLET AIR CLEANER ASSEMBLY See: Engine/Service and Repair/Removal and Replacement/Engine Assembly/Removal
3. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE SUB-ASSEMBLY See: Engine/Service and Repair/Removal and Replacement/Engine
Unit/Removal
4. DRAIN ENGINE COOLANT (for Engine) See: Coolant/Service and Repair/Coolant (For Engine)
5. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
(a) Disconnect the No. 2 radiator hose and No. 3 water by-pass hose.
NOTICE:
*
Do not apply force to the water inlet with thermostat sub-assembly when disconnecting the No. 3 water by-pass hose.
*
Do not damage the water inlet with thermostat sub-assembly.
HINT
When disconnecting the No. 3 water by-pass hose, pinch the hose clamp, rotate the hose and pull it straight off the pipe.
(b) Remove the 2 nuts, bolt and water inlet with thermostat sub-assembly.
(c) Remove the gasket from the water inlet with thermostat sub-assembly.