POWER UNIT 6-64
THERMOSTAT
REMOVAL
• Disconnect water hose 1 from thermostat cover.
• Remove the four (4) bolts
2 securing the thermostat cover,
then remove the cover
3 and thermostat 4.
INSPECTION
• If salt deposits, corrosion, wear or other damage is found,
clean or replace.
• Thermostat operation
Check thermostat opening temperature as follows :
• Insert a length of thread between thermostat valve / body
and suspend thermostat in a container filled with water.
• Place thermometer in container and heat water.
Observe water temperature when thermostat valve opens
and releases thread.
Thermostat operating temperature
Standard : 48 – 52
°°
°°
°C (126 – 134
°°
°°
°F)
Thermometer
Heater
INSTALLATION
Installation is reverse order of removal with special attention to
the following steps.
• Assemble thermostat
1, gasket 2 and thermostat cover 3
to cylinder head block and secure with bolts.
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@ Thermostat cover bolt : 10 N
.
m (1.0 kgf-m, 7.2 Ib.-ft.)
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