| 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 thermostat in water heated to over 95°C (203°F), then heat
for at least 3 minutes to check valve lift.
|
| 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 Components and components location
Thermostat Troubleshooting