Ford Ranger Air Conditioner Blowing Hot Air?

My 2006 Ford Ranger is blowing hot air all the time. The cold to hot knob seems not to be working. If I put it on outside air it blows hot, if I try to use the a/c it's hot.


I live in Dallas, Texas and it's hot and I need to use the a/c, but I can't. How do I fix this issue?


July 21, 20150 found this helpful
Best Answer

Most likely you need to take it to the shop and have them put freon gas in the air conditioner. As they age, air conditioners leak the gas bit by bit and when it's gone they won't cool any more. It's not something you can fix yourself. Good luck!

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3 More Questions

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

August 16, 2018

My Ford Ranger's AC will blow cold for just a sec and then it blows straight hot air. What's wrong with it?


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August 16, 20180 found this helpful

There could be an issue with the blender unit.


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August 16, 20180 found this helpful

your freon or whatever liquid it is that's the coolant could be running low. We had a ford ranger and it begun doing the same thing and they refilled the coolant and problem solved


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August 17, 20180 found this helpful

The three most common issues are a leak in the coolant tank, some sort of electrical kerfuffle in the cooling system, or a dying compressor.

Unless you are super handy, you may want to take it to your mechanic and have them look.


Hope it is an easy and inexpensive fix.


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August 17, 20181 found this helpful

If the AC is low on refrigerant/coolant it can affect the working of the thermostat. Also, if the thermostat has a broken fan blade or the condenser might be blocked by road debris, (leaves, plastic, dirt,etc.) these can prevent the AC from properly working. The worse scenario would be electrical problem. Begin with the least expensive checking first.

Check to see if the blockage of the condenser is the reason by looking through the grill in front and use compressor and blow out debris from leaves, plastic, dust build up.


If the AC unit still doesn't work, then check the fan blade for breakage before adding expensive refrigerant.

With newer cars today, they have electrical sensors and it's possible that a module has gone bad or a wire broke that triggers possible ventilation problem.

April 23, 20200 found this helpful

2005 Ford ranger a.c. blows hot , blows really cool on hwy. Then hot when slowing down or stopping

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March 29, 2019

All that comes out of my ventilation system is hot air. If I switch to max AC I get cool air. I replaced the blend air actuator with no change. Where should I look next?


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March 29, 20190 found this helpful

I would check the compressor if I were you.

March 30, 20190 found this helpful


Do you think it might be the linkage wire might be disconnected from the cold hot lever? Read more here:


I hope this is helpful!



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March 6, 2017

I have a 2009 Ford Ranger. I can't get any cold air from the vents. It only blows hot air. The selector changes vent direction options. What's up?


Diamond Post Medal for All Time! 1,298 Posts
March 9, 20170 found this helpful

With some research it looks like this problem is very common for the Ford Ranger and many have experienced this also.

The problem is called: blend door malfunction.


Here is an explanation and instructions:

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