Question about 1994 Mercury Cougar

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My 1994 Cougar's AC is working, but will not stop blowing out of the "defrost" vents. The switch moves, but the actual setting will not respond. The air is cool, so the actual AC unit is working, just won't switch off of defrost. I never even had it on the defrost setting.

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You either need a blend door actuator or the blend door it self if your going to replace one you might as well replace both while your in there

Posted on Sep 28, 2010

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Ok 2005 chevy malibu. Fan hits on all speed rear defrost works. temp control does nothing no heat no ac. Blower blows from dash vents only no defrost no foot no blend on vents no nothing. Compressor does...


replace the switch its self.. you can search ebay motors under electrical and find one easily.. also they remove easily and just plug in the back..

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No heat from vents


As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html

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http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

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http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

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http://technoanswers.blogspot.com/2012/01/dodge-ac-come-out-of-defrost-vents-only.html

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2005 Chrysler PT Cruiser: A/C Blows Warm?

http://whoisbyme.blogspot.in/2012/06/2005-chrysler-p8t-cruiser-ac-blows-warm.html


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2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

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These will help.

Thanks.

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1 Answer

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does it blow through the defrost vent only when you switch to vent/floor or does it blow through defrost and vent/floor? is it a switch that is just electric or a manual lever that you slide? the manual type will have that problem if the diverter or the linkage behind the lever(in the dash behind the panel......may be able to access underneath) becomes broken or disconnected so that the air is diverted to defrost regardless where you move it.if you can get to it, you will see what is broken or maybe a fastenerr fell off.

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2 Answers

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hi..
Try grounding the LOW PRESSURE A/C SWITCH by the compressor, while trying to recharge. This will energize the compressor. Hope this helps...

thank u
rate me

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1 Answer

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2 Answers

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2 Answers

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