Engine Coolant Reservoir. Dual Coolant / Windshield Washer Fluid Reservoir. 1995-1997 Ford Ranger Engine: 2.3L L4; Combined Coolant and Washer Fluid Reservoir | wo/Low Fluid Sensor; Position: Front;. 1995-2000 Ford Ranger Engine: 3.0L V6; Combined Coolant and Washer Fluid Reservoir | wo/Low Fluid Sensor; Position: Front;.