Yaris L4-1.5L (1NZ-FE) (2007)
(c)
Check the valve lift.
Valve lift: 8.5 mm (0.335 in.) or more at 95°C (203°F)
If the valve lift is not as specified, replace the thermostat.
(d) Check that the valve is fully closed when the thermostat is at low temperatures (below 77°C (171°F))
If not fully closed, replace the thermostat.
INSTALLATION
1. INSTALL THERMOSTAT
(a)
Install a new gasket onto the thermostat.
(b) Install the thermostat with the jiggle valve facing upward.
HINT: The jiggle valve may be set within 10° on either side, as shown in the illustration.
2. INSTALL WATER INLET
(a)
Install the water inlet with radiator hose with the 2 nuts.
Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)
3. ADD ENGINE COOLANT
4. CHECK FOR ENGINE COOLANT LEAKAGE