1996 Ford Thunderbird Owner's Manual - Page 246
1996 Ford Thunderbird Manual
Page 246 highlights
Use Ford Premium Cooling System Fluid E2FZ-19549-AA (in Canada, Motorcraft CXC-8-B) or an equivalent engine coolant that meets Ford Specification ESE-M97B44-A. Leave the engine coolant in all year. Make sure that the coolant will not freeze at the temperature level in which you drive during winter months. Keep a mixture of engine coolant in your engine that has a protection rating of at least -34˚F (-37˚C), or whatever protection rating is appropriate for the climate in which you live. Engine Coolant Drain and Flush Proper procedures for a complete coolant drain and flush of the cooling system can be found in the Car Service Manual. Following these recommended procedures will ensure that the specified coolant level and a 50/50 or appropriate mixture of coolant and water is maintained. Engine Coolant Refill Procedure When the entire cooling system is drained and refilled, the following procedure should be used to ensure a complete fill: NOTE: It is imperative the following procedure be adhered to. Failure to do so could result in damage to your engine. 3.8L engine only u Open the vent plug. u Remove coolant recovery reservoir cap. u Remove radiator pressure cap. u With the engine off and cool, add a 50/50 mixture of recommended cooling system fluid and water to the radiator until full, then add to the reservoir until the reservoir is at the FULL-HOT level. 244