Navigator 4WD V8-5.4L (2010)
Coolant: Capacity Specifications
Base Radiator
Without Aux Rear Heat ........................................................................................................................................................................ 16.4 quarts (15.5 L)
With Aux Rear Heat ............................................................................................................................................................................. 19.0 quarts (18.0 L)
Heavy-Duty Trailer Tow Radiator
Without Aux Rear Heat ........................................................................................................................................................................ 16.9 quarts (16.0 L)
With Aux Rear Heat ............................................................................................................................................................................. 19.5 quarts (18.5 L)