1996 Ford Bronco Owner's Manual - Page 295

NOTE: Do not use an engine coolant that does not meet all 14 requirements of Ford Specification ESE-M97B44-A. The use of an improper coolant may void your warranty for the engine cooling system. Use only a premium nationally recognized brand name engine coolant. Ford Motor Company expressly authorizes the Ford Rotunda engine coolant recycling process and chemicals. Use only Ford Rotunda recycled engine coolant or an equivalent recycled engine coolant that is certified by the supplier to meet Ford specification ESE-M97B44-A. NOTE: Always dispose of used automotive fluids in a responsible manner. Follow your community's standards for disposing of these types of fluids. Call your local recycling center to find out about recycling automotive fluids. Use Ford Premium Cooling System Fluid or an equivalent engine coolant that meets Ford Specification ESE-M97B44-A. Do not use alcohol or methanol antifreeze and do not use engine coolant mixed with alcohol or methanol antifreeze. If you do not use the proper coolant, the aluminum radiator on your vehicle will corrode. 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. To find out how much engine coolant mixture your vehicle's coolant system can hold, see Refill capacities for fluids in the Index. 298