Question about 2001 Mercury Sable

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AC Problem 2001 sable - air conditioning was working fine - then one day the only thing the automatic climate control will put out is max heat. I can control fan speed but not temperature - help - what do I need to do?

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  • arodosta1 Mar 20, 2009

    My a/c also will only blow very hot hot air. Worked fine one day, very

    cold air. I was also told nothing wrong with the a/c compressor, freon

    or leaks.

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4 Answers

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Had the same problem and the dealer told me it was a mode door actuator problem. Quoted me $3-400 to put it right.
Regretfully cannot help with how or how much it would cost if you DIY but hopefully this tells you what the issue is.

Posted on Aug 10, 2009

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I have a similar problem and was told to check the wiring to the airconditioning vacuum pressure and am currently trying to find a diagram of that

Posted on Jul 16, 2009

Sounds like the blend door is stuck. Unfortunately the blend door is buried deep within the dash.

Posted on Aug 02, 2008

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Change your climate controll unit in the dash

Posted on Jun 30, 2008

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Hi Kutis, Could you give us more information? I believe your referring to the cabin climate heat control. What belt did 'they' change? if was the belt for the AC? If it was I believe you may have the Air Conditioning running on cooling instead of heating? Look at the dash climate controls and you will see one for the AC control. If it is illuminated press the button to disengage it and the heat should work. If it was a different belt we need to know which one was replaced? We also need to know what else was done? Regards John

Feb 18, 2012 | Cars & Trucks

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I have a 2001 Mercury sable with climate control. The air-conditioning works fine the first time the car is started for the day, or if it sits for approxamately 3 hours. But if I drive up to the store, and...


the heat exchanger will do that ,, its normal and should only blow warm air for a minute or two, as long as it starts cooling again,, thats fine , and actually a Ford Motor Company trait

Jul 19, 2011 | 2001 Mercury Sable

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My ac was working fine then one day it stopped and now only hot air blows out the mechanic said the ac is fine and works good but there is a vent door that switches the ac to heater and he said it was...


There is a blender that controls the air flow to go through the heater core for heat, and the evaporator for AC. It very well could be stuck.

You maybe able to try and get it to get unstuck by running the cars AC and switching from heat to AC back and forth and see if it gets unstuck. Just turn it on full blast and go from heat to cool.

If that fails, then you may need to service it. There should be a Lever Marked VENT under the dash, usually by the Brake and other pedals on the Driver's Side. Close the VENT and that will stop the Air from coming in and leave the A/C Blowing through the outlets(Vents).

I also read this online if you have an electronic climate control. "On climate control press off and heat button and let go quickly. Then press automatic. The display will start rotating eventually displaying a code 025,125 , 024 etc. Then press defrost to stop. You may hear blend door operating atb that time. It worked for my climate control."

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I have climate control on my 2001 Sable. I had my battery replaced today , of course all the electrical in the car went out. When I got in the car my air was off I turned it on it only blows very hot...


try disconneting the battery. take the 2 battery cables and touch them together. Now connect them to the battery, turn key on for 2 minutes, now start car and see if a/c works.

Aug 26, 2010 | 2001 Mercury Sable

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I have a 2002 Mercury Sable 3.0. I noticed when


The clicking noise is the motor for the "blend door". The heater core and the air conditioning side share the same ducting. When you move the knob a small motor moves the door letting the respective hot or cool flow happen.
The heater core is probably blocked. The engineers at Ford have the coolant hoses bypassing the core with a WYE at the firewall. The coolant takes the path of least resistance and stops FLUSHING the heater core and it eventually clogs.

Oct 12, 2009 | 2001 Mercury Sable

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