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I am not sure what you are asking about, but I am pretty sure all heaters work from the heat of the engine. The water flows through and cools the engine off, then is cooled off with the fans in the front (by the grill). The air then flows through this water (the fan doesn't cool it off completely, just a little but below the temperature of the engine. The air then goes through the radiator and into the car. I am pretty sure that is how it works.
What else can I help you with?
How do you replace a heater core in a 1998 Ford Expedition?
How do you replace a heater core in a 1998 ford expedition?"
Where is the heater control valve for a 1997 Ford Expedition located?
where is the heater control valve for a 1997 ford expedition
How do you replace a Heater Core in a 1998 expedition?
How do you replace a heater core in a 1998 Ford Expedition?"
How many valves does the 2003 Ford Expedition have?
The 2003 Ford Expedition has 16 valves.
What size engine does the 2003 Ford Expedition have?
The 2003 Ford Expedition has a V8 engine.
Why is the heater not working in the ford expedition Eddie Bauer?
If the heater is not working in your Eddie Bauer edition Ford Expedition, your heater core is probably junk and needs to be replaced.
Where can I find a Ford expedition heater parts diagram?
You can find a Ford expedition heater parts diagram at most auto-parts stores. You can obtain the heater parts diagram at most Ford dealerships.
How do you replace a radiator support on 2003 Ford Expedition?
How do you replace a radiator on 2003 ford expedition?
What kind of transmission does the 2003 Ford Expedition have?
The 2003 Ford Expedition has a 4-speed automatic.
Is the 2003 Ford Expedition electric or gas?
The 2003 Ford Expedition is a gas-powered vehicle.
Instructions to remove heater core on 2001 Ford Expedition?
how to remove the lines from the heater core on a 2001 expedition
What is the angle of approach of the 2003 Ford Expedition?
The 2003 Ford Expedition has a 22.3 degrees angle of approach.
