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How to remove a heater core from a 1977 Ford F250.

How do I remove a heater core from a 1977 Ford F250. Its a high output heater with a/c. I took everything apart on the inside of the firewall and exposed the leaky heater core. Does it pop out?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Heater Box Removal To Replace Heater Core

heater box comes out via the eng side of the fire wall there are a couple of screws but not sure were should be no need to pull dash out

Posted on Oct 04, 2008

lebones337
  • 152 Answers

SOURCE: remove the heater core in 1988 F250 pick-up

here is a link that should be of some help.
http://www.autozone.com/addVehicleId,1071703/initialAction,repairGuide/shopping/repairGuide.htm?pageId=0900c152801cd90e

Posted on Jan 08, 2009

  • 19 Answers

SOURCE: 95 e150 ford cargo van heater core replacement

buy a manual for 10 bucks

Posted on Feb 06, 2009

LEFTY64
  • 69 Answers

SOURCE: blown heater core in a 1977 ford f-150 pick-up

1976-79 Without Air Conditioning

  1. Disconnect the temperature and function control Bowden cables from the heater housing. This must be done to prevent damage to the cables.
  2. Disconnect the wires from the blower resistor.
  3. Remove five screws attaching the air inlet (vent) duct to the heater housing.
  4. Disconnect the blower wires.
  5. Drain the radiator and remove the heater hoses from the heater core.
  6. Remove three heater stud retaining nuts and remove heater.
  7. Remove gasket between the heater hose ends and the dash panel at core tubes.
  8. Remove heater core cover and gasket (four screws).
  9. Pull heater core and lower support from heater.

To install:
  1. Install foam gaskets on heater core and install in heater assembly.
  2. Install the core seal and cover plate.
  3. Position heater assembly in vehicle and install three stud retaining nuts.
  4. Connect heater hoses to heater core and fill radiator.
  5. Connect blower motor wires.
  6. Place defroster nozzle on heater so that the defroster and heater openings are in the up position, and there is no air leak around the seal.
  7. Install air inlet (vent) duct to heater. Push duct firmly against seal on side cowl and tighten five attaching screws.
  8. Connect wires to blower motor resistor.
  9. Connect temperature and function control cables to heater, and adjust the cables.
  10. Reinstall gasket between the heater hose ends and the dash panel at core ends.
  11. Fill Cooling System.

  12. Hope this helps you! Please remember to rate my solution.

    Lefty64

Posted on Apr 09, 2009

  • 73 Answers

SOURCE: I have a very leaky heater core in my 2001 Ford Excursion 4x4 PSD

You could disconnect the hose from the core and connect it to the return for the time being. Of course, you'll have no heat for when the temperature drops back into the 90's. :^ )

Posted on Jun 30, 2009

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1 Answer

1994 F-250 Heater Core


Answer for a 1995 F250:

Remove the glove-box door. Behind that is the heater core cover on the interior, passenger side of the firewall. Remove that cover and there is the heater core. Open the hood and look where the heater hoses enter the front right passenger area of the exterior side of the firewall. Disconnect the two heater hose clamps and you can then remove the heater core.

Jan 13, 2012 | 1994 Ford F250 Supercab

1 Answer

Looking for heater core replacement instructions for 1997 Ford F250 Heavy Duty, 5.8L V-8 w/ A/C. Please tell me I don't have to remove the dash! Thanks!


Drain your coolant low enough that it wont make a mess when you remove the the hose from the heater core under the hood, then remove the glove box door, looking at the heater box thru the glove box door opening remove seven (7) screws on the heater box, remove the panel and then remove the heater core, opposite to reinstall.

Mar 26, 2011 | Ford F-250 Cars & Trucks

2 Answers

Where is the heater core located on a 1999 F250 4x4 crew cab V10 Gas Super Duty? I was told under the hood and I have been told access is in the dash. Two very different costs to get fixed.....


Heater core is under the dash, the dash will have to be remove to replace the heater core, you will also need to have the a/c system recover, evac, and recharge if the system has freon, when this repair is done, this is about a 10 hrs. job.

Dec 06, 2010 | 1999 Ford F250 Regular Cab

1 Answer

Heater core replacement ford f250 how dificult is it


not knowing if you have a/c or the engine size il guess it has a/c and a 5.0 engine it takes about 1.5 hours not bad to do. pinch heater hose to core, then remove from heatercore.next remove glove box,now remove the 7 screw holding heater access cover to plenum.disconnect vacuum source,leave vacuum harness atchment to cover,then remove cover.then remove heatercore. to install reverse instructions, hope this is helpful good luck.

Dec 19, 2009 | 1995 Ford F250

1 Answer

How to install the heater coil in my f-250 truck?


we call this a heater core, and here is how it is replaced. No need to drain the cooling system, just undo the heater core hoses at the firewall under the hood then pull glove box inset, undo bolts for access cover that is over heater core behind the glove box insert, remove cover, remove old core, put new core in, reinstall cover, reinstall glove box, done. I did these in 45 minutes at the Ford dealer I worked at.

Dec 10, 2009 | 1995 Ford F250

1 Answer

How to remove a heater core in a 1986 ford f250 with the 6.9l


you have one of the easiest made. remove the lines from the motor side of the core.open glove box and remove the screws holding the door and tray in place.remove tray.you should now be able to see the heater box and screws.remove screws and pry lightly to remove cover. now you should see the heater core. it just pulls out. PS ive the same truck except i put a 7.3 in it.

Dec 07, 2009 | 1986 Ford F 250

1 Answer

2003 Ford F250, the heater does not blow hot air


check the heater temp. control pot under the hood, inline on one of your heater hoses, it may be sticking causing hot water to only get to your heater core when the engine is at high r.p.m.s

Oct 31, 2009 | 2003 Ford F250 Super Duty Crew Cab

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