Engine Coolant Thermostat - Removal

5.7L ENGINE






WARNING: Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.

1. Disconnect the negative battery cable.
2. Drain the cooling system. Service and Repair
3. Remove the radiator hose clamp and radiator hose (1) at the thermostat housing (3).
4. Remove the thermostat housing mounting bolts, thermostat housing (3) and thermostat.