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97 Ford Explorer 4.0 A/C not working (PLEASE HELP!!!)


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Everhat24
New User

Jul 16, 2012, 4:16 PM

Post #1 of 4 (5855 views)
  post locked   post icon 97 Ford Explorer 4.0 A/C not working (PLEASE HELP!!!)  

I Have a 97 Ford Explorer Sport! No matter where I set the Heat/AC Controls nothing but hot air comes out the defrost! If I put it on AC max the condenser is getting cold and compressor clutch is kicking on & turning on and off and when i turned the temperature control knob some times it sounds like the door is working for the temp door any suggestions? I was thinking it has something to do with the vacuum lines but when it comes to vacuum lines I'm lost PLEASE HELP!!!

I unscrewed the 3 Knobs that control the heating and A/C I used my test light on all the Cables on the back side of all the knobs and they all have power but the 5 Vacuum lines Yellow, Red, Blue, White, and Black and I don't Feel anykind of sucksun or blowing from the lines


(This post was edited by Everhat24 on Jul 16, 2012, 4:20 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 16, 2012, 4:49 PM

Post #2 of 4 (5818 views)
  post locked   Re: 97 Ford Explorer 4.0 A/C not working (PLEASE HELP!!!)  

You may have 2 entirely different problems here. The only common component is the control head. The mode selector is vacuum controlled and the temp control is an electric actuator.

Is there any history here like has some one had it apart?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



jmsouthe
New User

Aug 13, 2012, 8:53 AM

Post #3 of 4 (5676 views)
  post locked   Re: 97 Ford Explorer 4.0 A/C not working (PLEASE HELP!!!)  

I have a similar problem. My Max A/C works fine (though lower airflow), but the regular A/C only blows hot air. The vacuum chamber(?) (box against the firewall) was moved to make room to replace the hood hinges and then moved back. The vacuum door opens and closes audibly, but only cold air blows with the max A/C on. Also, if the air is cold and the car is turned off for just a few minutes, it takes the same amount of time for the air to cool off upon restart as it would if the car was started cold.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 13, 2012, 9:45 AM

Post #4 of 4 (5673 views)
  post locked   Re: 97 Ford Explorer 4.0 A/C not working (PLEASE HELP!!!)  

If you have a question, please start a thread of your own. Don't hijack someone else's.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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