Question about 1999 Ford F250 Regular Cab

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Fuse for heater on 1999 f250

Heater quit working its not the heater core

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Heater core

There is a small, white, control motor with a square plastic case that controls the blend damper. The motor always fails with the damper on the cold side. It is mounted on the front of the heater box directly behind the center stack (radio, heater controls) and is easily replaced by removing wiring plug and three mounting screws. Motor is about $60 from dealer.

Posted on Dec 03, 2008

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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

  • 51 Answers

SOURCE: 2000 F250 super duty v10

check the vaccum hoses on the passenger side under hood. I think that there are two hoses but it might be three. they get brittle and leak. but they move a little valve that you can move yourself just to see if heat works then. it is inline with the heater hoses I think. Bear with me though because it has been about 3-4 years ago when I figured this one out. it is definately a vaccum problem. there is also a set of vaccum hoses under passenger side of dash, several colors in it. might want to look there because sometimes kicked by peoples feet but money is on the ones inline with heater core. just move linkage and see if it gets hot air. Hope I helped and didnt confuse.

Posted on Jan 12, 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

BCAS1298
  • 3092 Answers

SOURCE: Where is the heater core

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.

Posted on Dec 06, 2010

Testimonial: "Not the answer I was hoping for, but at least clears the cost up. 145 if it was under the hood, now I am looking at 389 right before the holidays..ugh"

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1 Answer

1999 F250 Super Duty with a V10 only blows warm air. 30k miles on engine. Coolant level fine, no leaks. Air Blend Actuator moves. Temp in to heater core is 115F, out is 105F


That's not hot enough at the heater core. Engine coolant temp is controlled by your thermostat. It is probably weak or stuck. Replace it. don-ohio (:^)

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My heater quit working on my 1999 Ford Taurus


unless it is the heater core which you should flush system,,i always boil my new thermostat to make sur it compresses

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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

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Locating heator core


99% OF HEATER CORES ARE UNDER THE DASH ON THE PASSINGER SIDE AND ARE QUITE A JOB TO REPLACE, YOU WILL SEE A LARGE BLACK PLASTIS BOX TYPE UNIT UNDER THE DASH THE CORE IS LOCATED INSIDE THIS BOX

Feb 05, 2011 | 1999 Dodge Dakota

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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 wont work in my 1999 jeep cherokee sport. The fan blows but wont get warm. Does not leak in the floorboard as some do. Was wondering if there is a fuse for the heater?


One or more of:

1. Your coolant level is low
2. Your thermostat doesn't close and needs to be replaced
3. The valve from the cooling system to the heater core is stuck
4. Your heater core is clogged

Jan 03, 2010 | 1999 Jeep Cherokee 4WD

1 Answer

No heat is there a fuse 2003 f250 is there a fuse for heater


i don't know realy if there is a fuse (though i doubt it) but issues with heatting may be this will help.

If the carpet under the heater core is damp, or if antifreeze vapor or steam is coming through the vents, the heater core is leaking.
Remove it and install a new unit (most radiator shops will not repair a leaking heater core.
If the air coming out of the heater vents isn't hot, the problem could stem from any of the following causes:
  • The thermostat is stuck open, previnting the engine coolant from warming enough to carry heat to the heater core. Replace the thermostat.
  • There is a blockage in the system, Preventing the flow of coolant through heater core. Feel both heater hoses the firewall. They should be hot.if one of them is cold, there is an obstruction in one of the hoses or in the heater core,or the heater control valve is shut. Detach the hoses and back flush the heater core with a water hose. If the heater core is clear but circulation is impeded, remove the two hoses and flush them out with a water hose.
  • If flushing fails to remove the blockage from the heater core, the coremust replaced.

Nov 27, 2009 | 2003 Ford F250 Super Duty Crew Cab

1 Answer

I have a 99 ford powerstroke that the fuse blows


diconnect the heater, if it doesnt blow fuses anymore, the heater may be shorted out.

Sep 18, 2009 | 1999 Ford F250 Regular Cab

1 Answer

Antifreeze smoke coming out heater vents


depending on how bad, and how long the orginal core leaked, it might just be residue in heater box, and if it got up into the vents, it will take awhile for it to dry out.

Jan 22, 2009 | 2001 Ford F250 Super Duty Super Cab

4 Answers

1999 F250 SD 7.3L cold starting problem


Yes, my 2003 did the same with about 75k miles on it, stranded me on days it stayed under 40F unless I plugged in the block heater the night before, then it started like a champ. Dealer replaced the relay and a control unit under ESP warranty. There's no way to fix this one without throwing parts at it.

Nov 14, 2008 | 2000 Ford F250 Super Duty Crew Cabs

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