| Removal |
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. |
| 1. |
Drain engine coolant so that its level would be under the thermostat height. |
| 2. |
Remove the radiator lower hose.
(Refer to Cooling System - "Radiator Hose") |
| 3. |
Remove the water inlet fitting (A) and thermostat (B).
|
| Inspection |
| 1. |
Immerse the thermostat in water and gradually heat the water.
|
| 2. |
Check the valve opening temperature.
If the valve opening temperature is not as specified, replace the thermostat. |
| 3. |
Check the valve lift.
If the valve lift is not as specified, replace the thermostat. |
| Installation |
| 1. |
Place the thermostat in the block.
Install the thermostat (B) with the jiggle valve upward. |
| 2. |
Install the water inlet fitting (A).
|
| 3. |
Fill with engine coolant. |
| 4. |
Start engine and check for leaks. |
Thermostat TroubleshootingTroubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again...
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