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1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage SPONSORED BY:

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Old 12-14-2004, 07:24 AM
9902ford 9902ford is offline
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99 f150 no heat

Hi everyone,

First let say that is a great site, im glad i found it. A little info, i have 1999 f150 4x4 lariat ext cab with a 6" lift and 3" body lift and a 2002 expedition with a 6" lift.

My question is, when i bought the f150 used i never checked to see if the heater worked, so when i went to use it the other day all that came out was cold air, the defroster works fine. Someone told me to check the wire on the relay or something to make sure it is ok, is this true. What else should i look for?

thanks in advance for your help
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Old 12-14-2004, 04:27 PM
97fordf150 97fordf150 is offline
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Smile Bypassed heater core?

The heater core might be bypassed.
Since the repair could cost $600-$700 at the dealer, many warm weather owners have bypassed the heater core by cutting into the hoses under the hood near the fire wall and bypassing the whole thing.
The other possibilty could be the Blender door which encases the Heater core in the Heater Plenum.
If your wanting to do the job yourself, Ive got a pretty good 18 pg instruction doc with illustrations and numerous tips for your reading pleasure.
Roughly 40.00 for the heater core, 15.00 for new hose seals and a gallon or two of antifreeze. Vs $600 labor. send me an email if your interested in the doc.
Don

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hotmail.com
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Old 12-14-2004, 09:37 PM
bosshoss bosshoss is offline
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Hey there.
Hear is an idea you might want to try first. Warm the truck up to normal temp. Pull the **** off the dial for heat that goes blue to red Temp control. Take a pair of pliers and turn the heat control **** all the way to the left, then to the right. See if the temp changes. If the air gets worm, the **** might be cracked.

BURR ITS GETTING COLD. Good luck Dave P.
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Old 12-14-2004, 11:49 PM
97fordf150 97fordf150 is offline
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99 F150

Thanks Dave,
Before I owned my 97 I had a 99F150 and yes the **** broke, I agree, try it!!!
Don
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Old 12-15-2004, 08:30 AM
9902ford 9902ford is offline
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Thanks for the ideas. I will be looking into this over the next couple of days when i get a chance. Also my wife pulled the **** off and said that it looked like it was cracked, so i am going to try that first.

Thanks again for the help.
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Old 12-15-2004, 02:25 PM
97fordf150 97fordf150 is offline
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No, wait!!
It would be so much more entertaining (for us) and educational if you tried that last after you removed the dash to find nothing wrong there. Oh well, all's well that ends well.

I hope that new **** fixes your problem.
Merry Christmas,
Don
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Old 12-15-2004, 03:03 PM
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BillyBob69 BillyBob69 is offline
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Awwww man!! I wanted to see removing the dash just to replace a **** too!
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Old 12-15-2004, 03:07 PM
97fordf150 97fordf150 is offline
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Knob removal instructions

Until I see the mods to next years truck, I wont speculate on the creativity of Ford engineers to come up with a behind the dash **** assembly to replace the broken ****.

Cheers
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Old 12-16-2004, 08:40 AM
9902ford 9902ford is offline
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Thanks again for the tips. I checked out the **** and it was loose and figured i would check it the next time i drove the truck. So my wife calls me and she was driving to work and said she wished the heater worked because it was like an ice box. So i said try it again, and she went oh my gosh there is heat coming out, she was so happy

Thanks again for all the help, this is a great site. I also tried the tip for the keyless entry and it turns out that it has that also. So now i am going to get some key fobs off ebay
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Old 12-16-2004, 08:40 AM
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