Commander 4WD V8-4.7L VIN P Flex Fuel (2007)
Thermostat: Service and Repair
Removal
3.7L/4.7L
WARNING: Do not loosen radiator draincock with system hot and pressurized. Serious burns from coolant can occur.
Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.
If thermostat is being replaced, be sure that replacement is specified thermostat for vehicle model and engine type.
1. Disconnect negative battery cable at battery.
2. Drain cooling system.
3. Raise vehicle on hoist.
4. Remove splash shield.
5. Remove lower radiator hose clamp and lower radiator hose at thermostat housing.
6. Remove thermostat housing mounting bolts, thermostat housing and thermostat.