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    Why do i keep getting lukewarm air

    Are your vent door actuators working properly. openening and closing ? I did all those things that you did to my 03 and finally replaced the 3 actuators (2 in front one in the rear) and once the vent doors were opening and closing properly I was blessed with heat.
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    Steering feels like its in 4x4 mode

    Might be the ujoints on your intermediate steering shaft that goes to your steering box. Mine felt like I had manual steering. Removed the steering shaft and could tell the ujoints were binding. Replaced the shaft and solved the issue.
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    5.4l Coolant Manifold crossover leak

    It's the plastic intake. They deteriate and and crumble to pieces over time. Had to replace mine, intake was about $300 and was a Ford replacement. Read that some of the after markets were noisier if that makes since. You will want to change your plugs and some other stuff while you have the...
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    Rear Air Conditioning

    Are your temperature blend door actuators operating? If they do not open the doors to the vents you won't get any flow out of them. My 2003 Expedition had 3 one behind the radio in the dash to control the front and two in the rear for the aux heating and cooling. Are the A/C hoses to the rear...
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    2000 Eddie Bauer Expedition 5.4L no heat (Still searching and reading posts in archives)

    I have a 2003 Expedition XLT with front and rear heat and cooling. When I first got my hands on it from my grandson it had a no heat or A/C condition. Flushed the coolant several times thinking the heater core might be plugged, still no heat. It ended up be the blend doors one up front behind...
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