Question about Ford F-150

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Heater core keeps going out on my 2000 ford f-150 xlt with a 4.6 once i put one in it last about 2 weeks and goes out. any idea what is causing this?

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Electrolysis is your problem. the aluminum heads and the antifreeze is causing a chemical reaction. You can get a product to put in it that will keep it from happening again.

Posted on Sep 22, 2010

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YOU HAVE CLOGGED COOLANT BYPASS HEATER HOSE PIPE OR WATER PUMP BYPASS HOSE HAS.RESTRICTION CAUSING COOLANT FLOW PUTTING PRESSURE ON THE HEATER CORE MAKING IT RUPTURE.HAVE YOUR COOLANT SYSTEM FLUSHED.

Posted on Jul 31, 2010

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Jul 17, 2011 | 2001 Ford F150 Styleside SuperCrew

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The heater of my expedition XLT 2000 is not working what is a fact


I have a 2000 XLT also. Is yours blowing luke warm air at best? If so then you need to have your core flushed. The dealership wanted $800 to put a new core in it. You can get a coolant flush done but you must specifically ask them if it flushes the core. 99% of the coolant flushes bypass the heater core. If they sound unsure make them ask someone else otherwise you will waste $90+. You can flush it yourself but it is very tricky. I can take some pictures if you need them.

If you have no warm air at all then your core is most likely bad or clogged beyond flushing.

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Heater core for a Ford 2000 F-150 5.4 4x4 had been


There is a Haynes Manual available for your vehicle @ most large Auto Parts stores. It covers how to do this. $25.00 for book.

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HOW DO YOU REPLACE THE HEATER CORE


http://www.youtube.com/watch?v=qa7TiLRn9oE

You can see the video explanation for removal of heater core in 2000 ford expedition .

just click on this link for theoritical explanation. Once the page has loaded click on FILE then SAVE AS to save a copy to your PC.

http://my.voyager.net/~sscully/F-150...50_Exp_002.doc

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Having to put approx 2 gallons of Antifreeze in


Get a tin of a good quality Radiator Sealant or a couple of packets of Ce-lit and apply them to the problem

Once you have stopped the leak go back to the stadard mix of Anti Freeze to Water

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I have a 2000 Chevy Silverado pickup, and the heater will not blow hot air. I replaced the thermostat, and nothing changed. The radiator was flushed and filled in the last two months as well. I have all...


once truck is warm check both heater core hoses to make sure they are both warm if not then check the cold water valve could be stuck shut not allowing coolant to travel in to heater core.

Jan 05, 2010 | 2000 Chevrolet Silverado 1500

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HOW DO U GO ABOUT PUTTING IN A HEATER CORE. NEED


1. drain coolant
2.remove instrument panel
3. for 5.4 (4v) if equiped,remove junction splash shield
4.for 5.4 (4v) if equiped, disconnect starter relay cable9ad8eea.gif
  1. For 5.4L (4V), if quipped, remove junction block bracket.
  2. Clamp inlet and outlet heater hoses.
  3. Disconnect heater hose from heater core by gently pressing it toward heater core.
  4. Remove A/C plenum demister adapter.
  5. Disconnect vacuum line.
  6. Remove 13 plenum chamber top screws.
  7. Remove blend door assembly from case.
  8. Remove heater core.
To Install:
NOTE: If needed, clean and lubricate coolant hoses with plain water.

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  1. Install heater core.
  2. Install blend door assembly to case.
  3. Install 13 plenum chamber top screws.
  4. Connect vacuum line.
  5. Install A/C plenum demister adapter.
  6. Connect heater hose to heater core.
  7. Release all clamps from inlet and outlet heater hoses.
  8. For 5.4L (4V), if quipped, install junction block bracket.
  9. For 5.4L (4V), if quipped, connect starter relay cable.
  10. For 5.4L (4V), if quipped, install junction splash shield.
  11. Install instrument panel.
  12. Refill engine coolant.
I hope this helps you

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