ENGINE COOLING 6B – 13
THERMOSTAT
REMOVAL AND INSTALLATION
Read this Section carefully before performing any removal and installation procedure. This Section gives you
important points as well as the order of operation. Be sure that you understand everything in this Section before you
begin.
Removal
1. Radiator Upper Hose
1) Partially drain the engine coolant.
2) Remove the radiator upper hose.
2. Water Outlet Pipe
3) Disconnect the turbocharger-cooling pipe from outlet
pipe.
4) Loosen the fixing bolt and remove the water outlet
bolt.
3. Thermostat
Remove the thermostat from the thermostat housing.
Take care not to damage the thermostat.
031R300003
Inspection and Repair
Make the necessary adjustments, repairs, and part
replacements if excessive wear or damage is discovered
during inspection.
031RY00005
Operating Test of Thermostat
1. Completely submerge the thermostat in water.
2. Heat the water.
Stir the water constantly to avoid direct heat being
applied to the thermostat.
3. Check the thermostat initial opening temperature.
Thermostat Initial Opening Temperature °C (°F)
82 (180)
4. Check the thermostat full opening temperature.
Thermostat Full Opening Temperature °C (°F)
95 (203)
Valve Lift At Fully Open Position mm (in)
9.5 (0.37)
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