Explorer 4WD V6-4.0L VIN E (1999)
Thermostat: Service and Repair
Removal
CAUTION: Do not mix Standard (green) Coolant with Extended Life Coolant (orange). If mixing occurs, drain engine cooling system and
refill with originally equipped coolant type. If this contamination occurs the service change interval on Extended Life Coolant will be
reduced from 6 years/150,000 miles to 3 years/30,000 miles.
1. Partially drain the cooling system.
2. Remove the upper radiator hose.
3. Remove the bolts.
4. Remove the thermostat and gasket.
Installation
1. Follow the removal procedure in reverse order.
