Aerostar 2WD V6-183 3.0L (1991)
Thermostat: Service and Repair
REMOVAL
1. Perform this operation on a cool engine to prevent injury from hot coolant.
2. Drain cooling system.
3. Disconnect negative battery terminal and set aside.
4. Remove air cleaner resonator assembly from throttle body and air cleaner.
5. Remove upper radiator hose from thermostat housing.
6. Remove two attaching bolts from housing.
7. Remove housing and thermostat as an assembly.
INSTALLATION
1. Clean gasket mating surfaces with scraper or appropriate tool. Use care not to gouge aluminum components.
Thermostat Housing Assembly
2. Install thermostat into housing.
3. Install thermostat housing assembly and new gasket. Tighten attaching bolts to 25 Nm (19 ft lb).
4. Install upper radiator hose. Tighten clamp securely.
5. Fill and bleed cooling system with specified coolant and proper mixture.
6. Install air cleaner resonator assembly. Tighten clamps securely.
7. Connect negative ground cable.
8. Run engine and check for coolant leaks.