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  1. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    Thanks to Kenerator I found this problem that maybe causing my P0401 code.
  2. Lee_H

    How I Fixed Code P0401 - 2004 Expedition

    This is my truck from Over heat after spark plug change. I'm currently have a code P0401 from the computer and wasn't sure where to start. Thank goodness for your post because something this simple I most likely would have missed. Thanks again. Do you remember the hose size, maybe something...
  3. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    An Update. After replacing the radiator but left the thermostat blank in I took the truck on stop and start traffic with no temperature issue. Then tried the Parkway Highway and had the temperature shoot up. I got off the next exit and pulled into a gas station where the coolant blew out and...
  4. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    Thanks for the check sheet, I haven't driven the truck again yet. Maybe tonight. Fluid level is a bit high now since I was expecting a bit of air to work it's way out. Although the anti freeze is new, the engine oil is still looking good (that has been unchanged from spark plug change to...
  5. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    OK, I manage to change the suction hose while the radiator was out. I can see that this is the only way you can reach this hose is when the radiator is being changed. The side radiator holders did not want to come out attached without banging into the air conditioner tubing. I unfasten them...
  6. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    Thank you for the wrench information. I tried thin (less than 0.020") flashing to see if something would get pass the fitting, it wasn't working either. Plan on removing the oil filter and while the radiator is out see if I can reach the suction hose since I bought that (thinking the old...
  7. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    I posted what is under my truck at the moment, I can't seem to separate the fitting from the tube part. What is on the new radiator is the fitting with no tube. Yet I tried two types of "tools" to separate the fitting from the tube but the design is all wrong. I tried slipping in thin...
  8. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    This is the current connections to the bottom of the radiator:
  9. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    Purchased new radiator at a chain store, I' ll see what happens on the weekend. The thermostat valve being cut was more for getting the air burped out faster (more water flow) than to control the over heating. Since the only change to the cooling system was me pulling the heater supply hose...
  10. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    The #3 plug was misfiring and was insanely difficult to un-thread out. As a souvenir I still have the plug jammed into the socket and not worth removing since the socket is stretched out in the hex area. Cleaned with compressed air and ran one of the other used plugs to clear the threads...
  11. Lee_H

    2003 5.4L recent purchase is overheating after sparkplug change.

    Bought a 2003 Eddie B. with 5.4L engine for a spare vehicle. Pulled codes for miss fire, replaced sparkplugs and coils all around (Motorcraft). Ran it for a week to work, no problem. Second week started to over heat. Slowly at first but by the end of the second week barely made it to work...
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