REMOVAL
HINT: Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.
1.Drain engine coolant.
2.Disconnect water inlet from water pump, and remove thermostat.
a.Remove the 2 nuts holding the water inlet to the water pump, and disconnect the water inlet from the water pump.
b.Remove the thermostat.
c.Remove the gasket from the thermostat.
INSPECTION
HINT: The thermostat is numbered with the valve opening temperature.
a.Immerse the thermostat in water and gradually heat the water.
b.Check the valve opening temperature. Valve opening temperature: 80 - 84 °C (176 - 183 °F) If the valve lift is not as specified, replace the thermostat.
c.Check the valve lift. Valve lift: 8.5 mm (0.335 inch) 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 thermos is at low temperatures (below 40 °C (104 °F)). If not closed, replace the thermostat.
INSTALLATION
1.Place thermostat in water inlet.
a.Install a new gasket to the thermostat.
b.Align the jiggle valve of the thermostat with the protrusion of the water inlet.
2.Install water inlet. Install the water inlet with the 2 nuts. Torque: 9.0 Nm (80 inch lbs.)
3.Fill with engine coolant.
4.Start engine and check for coolant leaks radiator
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Wednesday, April 28th, 2010 AT 3:59 AM
