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Mercury Forum - Mercury Enthusiasts Forums (https://www.mercuryforum.com/forum/)
-   Grand Marquis (https://www.mercuryforum.com/forum/grand-marquis-14/)
-   -   No Heat No AC But plenty of air. (https://www.mercuryforum.com/forum/grand-marquis-14/no-heat-no-ac-but-plenty-air-1555/)

Jadman 02-06-2008 04:25 PM




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Thanks to 92 Mercury I think I will be able to fix my windows!


Now I need to try and figure out my heater/AC problem. I have a feeling it is some kind of flow regulator I keep hearing about but dont know for sure. Any help In this Subject will be greatly appreciated. Thanks.[img]smileys/smiley1.gif[/img]
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87_Crown_Vic 02-06-2008 05:10 PM

what kind of car? sounds to me like a vent door is not operating correctly to allow it to blow across the heater core and such.

Jadman 02-06-2008 05:42 PM


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oops, Its a 93 Grand Marquis.
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87_Crown_Vic 02-06-2008 06:51 PM

i would feel the heater core lines when it as at operating temperature. if both are hot and no hot air, sounds like a blend door problem. it controls how much air is allowed to pass the heater core and such.

Jadman 02-06-2008 09:27 PM




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Good advice. any easy way to get to the heater core lines?


How do you check the AC? I believe it has the old coolant also. r32I think. I am not looking foreward to tearing this dash off. But if i an fix the air and the windows I will have a great car.
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Jadman 02-06-2008 09:29 PM


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What is this crap before my posts?
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87_Crown_Vic 02-06-2008 09:49 PM

go to your settings... click NO next to where it says wysiwyg.it will get rid of all the extra writing in your post

Jadman 02-06-2008 11:29 PM

Thank you. Edited by: Jadman

87_Crown_Vic 02-07-2008 12:34 AM

if you have old setup for a/c, it has the smaller tire stem looking connections. newer set up if you remove the cap looks like a hydraulic setup with a ball in there instead of a tire stem looking connection.

Jadman 02-07-2008 09:22 AM

Yep Its the old.


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