Altima XE L4-2.4L (KA24DE) (1999)
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