This is a big job. Get a manual on your car to make sure it is done properly.
It sounds like you have a bad heater core. I would recommend replacing it.
The are not any airlines on the front of the 1998 Ford Expeditions. Only in the rear of the 1998 Ford Expeditions EB. What are you referring too? .
How do you replace a heater core in a 1998 ford expedition?"
Your problem sounds like the common blend door problem on the Ford Expeditions, and Ford Explorer. Check related link below
how is it my heater control on my ford fiesta flight 1998 only works on no. 4
The heater switch is located in the middle of the car in the 1998 Ford Taurus. It is either above or below the radio.?æ
heater is not getting hot
The 1998 Ford Expedition owners manual shows : 6 quarts ( 5.7 liters ) WITH FILTER CHANGE
Install block heater in lower rad hose .
This is not easy. Get a manual on your car from DISCOUNTAUTOREPAIRMANUALS.COM
A Ford Mustang does not have a heater coil. You must be thinking of your home HVAC.
heater core hoses not hot
A "1998" FALCON ? ? ? HARD TO BELIEVE. I HAD ONE BUT THAT WAS "1970"
I expect the your heater core is bad it probably needs replacing.
Take it to a mechanic and say "will you fix the heater core?"
repair the heater hose.
your heater core is leaking i would replace it.
A diagram of the heater hoses for a 1998 ford ranger can be found in the trucks service manual. Several companies make aftermarket manuals, available through the local auto parts.
you'll have to modify motor mounts and change wiring harness "pretty tough".
Do a Google search of Ford Explorer blend door , there are lots of articles and some videos
There is no short cut or fast way to do this. The dash has to come out to access the heater box and replace the core. So the steps in replacing the heater core are to disconnect the heater hoses, remove the dash, to access the heater core cover on the front of the heater case and replace the core. Reassembly is in the reverse order as disassembly. Fill the cooling system with new coolant, and burp the air form the cooling system.
did the heater core start leaking? anyway you should have no problem with the air if you bypass the heater core.
In the fuse box, above the bonnet release.
behind the dash passenger side
If there is the smell of anti-freeze, you're almost sure to be replacing the heater core.See "Related Questions" below for more