Operation CHARM: Car repair manuals for everyone.

Thermostat: Service and Repair

THERMOSTAT REMOVAL/INSTALLATION

Warning: Remove and install all parts when the engine is cold, otherwise they can cause severe burns or serious injury.

1. Remove the engine cover.
2. Remove the battery cover.
3. Disconnect the negative battery cable.
4. Drain the engine coolant.
5. Remove the battery, battery box.
6. Remove the secondary air control valve.
7. Before positioning the drive belt out of the way, loosen the water pump pulley installation bolt.
8. Position the drive belt out of the way.
9. Remove the water pump pulley.
10. Remove in the order indicated in the table.
11. Install in the reverse order of removal.
12. Refill the engine coolant.
13. Inspect for engine coolant leakage.








Thermostat Installation Note





1. Install the thermostat by fitting the projection on the thermostat to the recess of the thermostat case.
2. Install the thermostat.

THERMOSTAT INSPECTION
1. Inspect the thermostat for the following.

Warning: During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.

^ The valve should not open under normal temperature.
^ Opening temperature and valve lift
- If there is a malfunction, replace the thermostat.