The block heater plug in on a 1998 Ford Windstar is in the engine compartment on the passenger side of the vehicle. When lifting up the hood, look on the left for a small hose that is coiled up at the very front, above the passenger headlamp. The block heater itself is plugged into the front of the motor on the passenger side.
Remove and engine block expansion plug. Insert the block heater. Seal the block heater. Attached the wiring harness to the block heater.
repair the heater hose.
Install block heater in lower rad hose .
Backside of the engine in the center freeze plug :0)
The "Related Question" below is an extensive discussion on the 1999-2003 temperature control valve / heater control valve. It is likely the information will be similar to the 1997 / 1998 Windstar
It is inside the oil pan on the bottom of the engine block.
Replace freeze plug in a 1998 ford windstar ?
A 1998 Ford Windstar would use refrigerant 134a
Maybe it's bad. Have you tried changing it? Sound logical to me.
heater windstar ford
where does the engine block heater go in my 2007 ford focus
The 2007 Ford escape engine block heater is located on the right hand side of the engine block. You can follow the block heater cord to the block heater.