2.
Remove the radiator lower hose (A).
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency.
Drain the engine coolant so that its level would be under the thermostat height.
(Refer to Cooling System - "Coolant")
Remove the radiator lower hose (A).
Remove the water inlet fitting (A) and thermostat (B).
Tightening torque :
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)
Install in the reverse order of removal.
Place the thermostat with the jiggle valve (C) upward.
Fill with the engine coolant.
(Refer to Cooling System - "Coolant")
Start engine and check for leaks.
Immerse the thermostat in water and gradually heat the water.
Check the valve opening temperature.
Valve opening temperature:
82±1.5°C (179.6±2.7˚F)
Full opening temperature: 95°C (203˚F)
If the valve opening temperature is not as specified, replace the thermostat.
Check the valve lift.
Valve lift : 8mm(0.3in) or more at 95°C (203˚F)
If the valve lift is not as specified, replace the thermostat.
