How many gallons of antifreeze does 89 fleetwood Cadillac brougham need?

The 1989 Cadillac Fleetwood Brougham typically requires about 14-15 quarts of coolant, which is roughly equivalent to 3.5 to 4 gallons of antifreeze when mixed with water. It's important to use a proper 50/50 mix of antifreeze and water for optimal performance. Always check the owner's manual for specific recommendations regarding coolant capacity and mixture ratiOS.