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How to flush heater core for 2001 expedition - 2001 Ford Expedition

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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virgils
  • 39 Answers

SOURCE: diagram bypass heater cord on 2001 ford expedition eddie bauer

the heater bypass is quite simple, if you look at the firewall you will see two medium sized coolant lines, remove them from the firewall and link them together using a proper sized tube, you can purchase a kit at a parts store quite cheaply

Posted on Oct 11, 2008

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michigan man
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SOURCE: Replacing the front heater core in a Ford 2001 Expedition

the best I can recommend at this time is go to auto zone and ask if they can provide a diagram print out for you I have a Haynes book and it states: to pull off the cover of the heater core/evaporator core housing it has small screws and then pull the blend door assembly out to expose the heater core

Posted on Jan 09, 2009

  • 1 Answer

SOURCE: 99 ford expedition front heater core location

I have a coolant leak inside my expedition and it is coming through the vents does this mean that it is the heater coil

Posted on Jan 29, 2009

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SOURCE: Where is the heater core hose in my 2000 ford expedition?

check closer to just underneath the firewall--it could be a smaller problem than a heater core--Ford 4.6--5.4 engines have a tube just underneath the intake manifold that the rubber hose goes bad and it will leak towards the back of the engine.Lets hope so-what i hear its very expensive to change a heater core in an Expedition.

Posted on May 01, 2009

mikehitchner
  • 28 Answers

SOURCE: heater core replacement 1999 expedition

Heater Core 1. Disconnect the battery ground cable 2. Drain the engine coolant. 3. Remove the instrumental panel. 4. If equipped with the 5.4L 4V engine, remove the junction block splash shield. 5. If equipped with the 5.4L 4V engine, remove the bolts and disconnect the cable ends from the starter relay. 6. If equipped with the 5.4L 4V engine, remove the junction block bracket. 7. Disconnect the heater core hose couplings. 8. Remove the retaining screw and remove the A/C plenum demister adapter. 9. Disconnect the vacuum line from the A/C plenum demister adapter. 10. Remove the heater core bracket. 11. Remove the 13 plenum chamber top retaining screws. 12. Remove the plenum chamber top. 13. Remove the blend door assembly from the case. 14. Remove the heater core. 15. The installation is the reverse of the removal.
The heater core should be encased in a box up inside the dash.The best way to find this is to locate the heater hoses that go through the fire wall(about 1 1/4 in diameter).This is a very tight job and you will spend most of you time laying on the floor taking out screws.Be careful not to loose any of the heater core casing screws or bolts and when refilling the coolant system fill the radiator directly,start the engine with the radiator cap off,the level will drop,fill the radiator the rest of the way and replace the cap,allow the engine to reach normal operating temp.(about 10 to 15 minutes)so that the themostat will open and then allow the engine to cool and recheck fluid level.

Posted on Jan 01, 2010

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3 Answers

I only have luke warm air coming out my ford expedition (2002) does NOT overheat ! i had it flushed out and new anti freeze put in . still kuke warm air


When you said you had it flushed out, were you talking about the radiator or the heater core. The heater core is a miniature radiator. It can get gummed up just like the big one. You will probably have to remove the heater core and have it rodded out by a radiator shop. If you have done that already then there is a problem with the regulator for the heater. Usually it is a simple valve type open and close system to allow more or less hot water into the heater core.

Jan 03, 2015 | 2002 Ford Expedition

1 Answer

Rear heat not working in 1999 ford expedition. the blend door is operating, is it a good idea to back flush rear heater core ? only one hose getting hot!


It won't hurt to backflush it, but be sure to isolate it from the rest of the system to prevent flushing the blockage somewhere else upstream. Don't be supprised if it won't flush out and you have to replace the core.

Feb 17, 2013 | 1998 Ford Expedition

2 Answers

Why does my ac blow smoke an smell like antifreeze in my 2001 ford expedition?


If you are getting coolant inside the cabin the common cause is a leaking heater core.

Jul 11, 2012 | 2001 Ford Expedition

1 Answer

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.

Apr 22, 2010 | 2000 Ford Expedition

1 Answer

Ten months ago the local Ford dealer replaced the heater core and temp blend door on my '98 Expedition. The heater core failed again and I was told that due to oxidation I will basically continue to have...


There may be a corrosive in the system. Flushing the system should be done at least every 2 years. Your vehicle is now 12 years old, but I have not seen a heater core go bad in 10 months, it may have been defective, and should have some type of warranty.

Feb 03, 2010 | 1998 Ford Expedition

1 Answer

2001 FORD EXPEDITION XLT 4.6L V8 BLOWING MILD WARM BUT NOT WARMING THOROUGHLY. HAVE FLUSHED COOLING SYSTEM THREE TIMES, AND CHANGED THERMOSTAT. HAVE ALSO REMOVED DASH AND REPLACED "BLEND DOOR" AND BLEND...


You hot air comes from the water circulated through the heater core. It is like a miniture radiator with water flowing thru it constantly. So by opening the "Blend Door" you are permitting so much of this hot air to pass thru.

Seems like for some reason your heater core is plugged up. Just like a radiator can be. So water may be passing through your heater core but not passing through fully. Your heater core gets hot from water passing throught it from the engine. Then your doors open up, in proportion to how much air is permitted to pass over the heater core.

Suggest to remove the heater core and replace it. Seems the blend doors are working properly but again, if you have a non working heater core then no air can pass over the "Hot Core" for you to recieve hot air.

If you are not mechanically inclined, then go to a local parts store and you can buy a car manual, such as Chilton's or Hane's Car manuals, for your year and make to show you how to replace it. Then you can also have it for any other problems that may arise.

Jan 24, 2010 | 2000 Ford Expedition

1 Answer

01 ford expedition has no heat or a/c. replaced thermo and flushed it. any other ideas?


Assuming.......the fan switch works. You may have a blocked or leaking heater core. Hopefully you checked the thermostat before you put it in....you can heat some water up and put the thermostat in it to see if it opens. Not sure if there is a heater control valve in that ride, probably is, you may not be getting any water through it to allow water into the heater core.

Oct 11, 2009 | 2001 Ford Expedition

1 Answer

2001 expedition heater does not heat well


I would flush the whole system with radiater flush then replace with new coolant. But make sure the heater is set to full heat when you flush it ( while driving around the block with flush in it) so the small radiater that has the hot water flowing through it gets flushed too. It may have some build up in it stopping the full flow of heated water/coolant through. If it is bad enough may need to remove and spray out the rubber hoses from the motor to the heater core, and possibly remove the heater core and hose it out to make it flow better and therefore increase the heating ability. Hope this helps.

Dec 31, 2008 | 2001 Ford Expedition

3 Answers

My heat in my truck doesnt work


the blendoor on the heater box maybe broken ck lines going to heater core and make sure they are hot. does the heat temp change at all from cold to hot?

Dec 05, 2008 | 2001 Ford Expedition

2 Answers

Diagram bypass heater cord on 2001 ford expedition eddie bauer


the heater bypass is quite simple, if you look at the firewall you will see two medium sized coolant lines, remove them from the firewall and link them together using a proper sized tube, you can purchase a kit at a parts store quite cheaply

Sep 12, 2008 | 2001 Ford Expedition

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