Thermostat: Service and Repair

Thermostat





Be careful not to spill coolant over engine compartment. Use a rag to absorb coolant.

INSPECTION
1. Check valve seating condition at normal room temperatures. It should seat tightly.





2. Check valve opening temperature and valve lift.





3. Then check if valve is closed at 5°C (9°F) below valve opening temperature.

INSTALLATION





Install thermostat with jiggle valve or air bleeder at upper side.
- Apply a continuous bead of liquid gasket to mating surface of water inlet.
- After installation, run engine for a few minutes, and check for leaks.