Prius L4-1.5L (1NZ-FXE) (Hybrid) (2003)
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1. PLACE THERMOSTAT IN CYLINDER BLOCK
a. Install a new gasket to the thermostat.
b. Install the thermostat with the jiggle valve upward.
HINT: The jiggle valve may be set within 10° at either side of the prescribed position.
2. INSTALL WATER INLET
a. Install the water inlet with the 2 nuts.
b. Install the wire harness to the water inlet.
Torque: 9.0 Nm (90 kgf-cm, 80 inch lbs.)
3. FILL WITH ENGINE COOLANT
4. START ENGINE, AND CHECK FOR COOLANT LEAKS.