One of several things could have happened......
1. Installation error...
2. Very dirty coolant system...
3. Very cheap heater core, I have seen this happen as many as 4 times with some of my customers on the same vehicle when they use cheaply made heater cores.......
After we replace it for them, check the coolant system, flush if needed and use the correct factory one then they have no mores problems.....
How do you replace a heater core in a 1998 ford expedition?"
How do you replace a heater core in a 1998 Ford Expedition?"
how to remove the lines from the heater core on a 2001 expedition
If the heater is not working in your Eddie Bauer edition Ford Expedition, your heater core is probably junk and needs to be replaced.
just splice the two heater hoses that go through to the heater core the together
the HEATER CORE can be removed by removing the dash. how do i ghange the dash
The most common signs of a bad heater core are; no heat or fluid leaking into the passenger compartment. The heater core can have a leak or it can be plugged.
did the heater core start leaking? anyway you should have no problem with the air if you bypass the heater core.
The dash has to be removed. Once the dash is out, the top of the heater case comes off to gain access to the core.
Cost about 1000 - 1200$. This is one of the hardest heater cores to replace.
i want the video or instruction,how replace the heater core on the ford expedition --------------------------------------------------------------------------------------------- Here is a link to a step by step tutorial with pictures: http://www.queegebo.com/cars-a-other-vehicles-articles-top-166/31-1997-ford-f-150-46.html
you will have coolant in your passenger front floorboard and when you turn your heater on your windshield will fog up