1996 Ford Mustang Owner's Manual - Page 252

u Start and idle engine until the radiator upper hose is warm (this indicates the thermostat is open and coolant is flowing through the entire system). completely with a thick cloth and cautiously remove radiator pressure cap and add a 50/50 mixture of recommended coolant and water until system is full. u Immediately shut off engine. Cover cap u Reinstall the radiator cap securely. u Remove the cap from the engine coolant recovery reservoir and add a 50/50 mixture of recommended cooling system fluid and water to the FULL-HOT mark on the engine coolant recovery reservoir. Check that reservoir hose is not kinked. u Reinstall the reservoir cap. u Check for leaks at the draincock, block plug and vent plug. u Recheck the engine coolant level, using the recommended procedure, after one or two occasions of vehicle use. 4.6L (2V) engine only - GT models u With the engine OFF and cool, remove the pressure cap, located on the coolant reservoir. Remove the heater hose and clamp, located on the rear of the intake manifold. water to the coolant reservoir. Refer to Refill Capacities later in this chapter for the correct amount. Add coolant to the reservoir until the coolant continuously flows out of the tube in the rear of engine. Reattach hose and secure clamp. u Add a 50/50 mixture of specified coolant and 258