Removal and Installation |
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.
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1. |
Disconnect the battery negative terminal.
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2. |
Remove the air cleaner.
(Refer to Intake and Exhaust System - "Air Cleaner")
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3. |
Drain engine coolant so its level is below thermostat.
(Refer to Cooling System - "Coolant")
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4. |
Disconnect the radiator lower hose (A).
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5. |
Remove the water inlet fitting (A).
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6. |
Remove the thermostat (A).
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7. |
Install in the reverse order of removal.
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8. |
Fill the engine coolant.
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9. |
Start the engine and check for leaks.
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10. |
Recheck the coolant level.
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Inspection |
1. |
Immerse thermostat in water heated to over 95°C (203°F), then heat for
at least 3 minutes to check valve lift.
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2. |
Check the valve opening temperature.
If the valve opening temperature is not as specified, replace the thermostat.
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3. |
Check the valve lift.
If the valve lift is not as specified, replace the thermostat.
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