Ford F150 Air Conditioner Blowing Hot Air?

August 27, 2019

My 1998 Ford F150 is blowing hot air. I just tried to recharge it with freon, but it was a no go.

Help please!



Gold Post Medal for All Time! 677 Posts
August 27, 20190 found this helpful

You may have a block in the cooling system


Bronze Post Medal for All Time! 140 Posts
August 27, 20190 found this helpful

Sounds like you need some freon(refrigerant) installed to blow cool air!


Gold Feedback Medal for All Time! 949 Feedbacks
August 27, 20190 found this helpful

This is an older model so it seems the freon you tried should have worked but sometimes installing freon can be tricky.
If you purchased your freon at an auto parts storre, I would suggest you return (with the container) and ask them for help on how to use it.


Most of the time they can find instructions for your particular model and may be able to get your AC going.

Take a look at these sites as they may help you do it yourself.


Bronze Feedback Medal for All Time! 196 Feedbacks
August 28, 20190 found this helpful

Ugh...I have this problem and mine it is a "blend door actuator". I had no clue I even had one of these.

I didn't have it fixed because it would cost 2K because they have to tear the dash part to fix it. It is fine for the winter. In the summer, I drive with the windows down :(


Bronze Post Medal for All Time! 105 Posts
August 28, 20190 found this helpful

This could be a blockage in the unit that is causing it to just blow out hot hair. A lot of time you can trace the hose back starting under the dashboard and find where it leads.


I would also have a person check the compression of the unit and make sure you have installed the freon correctly and the unit is fully charged.

June 15, 20210 found this helpful

You can actually change the actuator yourself....well it does take time, but you tube has tutorials. We did ours our-self. Less than $50 bucks.

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2 More Questions

Here are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community.

June 23, 2015

I have a 2010 F 150. With the AC on cold air only comes from the passenger side vents. Hot air comes from the driver side vents. I charged the system, but it had no effect. Any fixes?


July 13, 20150 found this helpful

My auto had a similar problem but hot air was coming from all vents. Had to have the air condition controls on dash board replaced. Worked great after replacement.

July 31, 20180 found this helpful

I have a 2016 F150 and is blowing hot air. The compressor is working fine. The free on is fully charged. Do you think I might have the same problem as yours?


Where is the a.c. control? And how much it cost?

July 22, 20190 found this helpful

Did you figure out what the problem was, my ac went out after I changed my grill.

June 30, 20200 found this helpful

My truck made a loud pop today and you could something burnt. The air was working fine and when the pop happened it quite working Not blowing or any cold air. I replaced the blower motor resistor and now it blows real good but only hot air.

July 14, 20200 found this helpful

Did you find out why it went out when changed grille? Mine has done the same

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May 5, 2014

Why does my 2003 F150 only blow hot air even when the a/c is on?

By riddick91680

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