Question about 1995 Cadillac DeVille

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My heater on my 1995 cadillac deville blows cold air on the drivers side and warm on the passenger,what do i tell a mechanic when i take it in? just that? I've felt of the hoses under the hood and all are hot,so does that mean an accuator?

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I am a mechnaic and I would suggest you tell them exactly what you just wrote. Based off your description I already have a good idea what is wrong. There are a series of doors located behind the dash that control the quantity and temperature of the air coming out of the vents. The blend door for the passerngers side of the vehicle has malfunctioned. This could be the motor that controls the door or even a broke or stuck door. The dealers scan tool can be used to determine if it is an electrical malfunction or a meachnical malfunction but in most cases this requires getting behind the dash. Hope this helped.

Posted on Mar 25, 2011

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Hello.
I think the actuater is one very good guess, secondly, some of the trap doors in the duct system work off of a vacuum line.

I hope this helps!
Donnie

Posted on Mar 25, 2011

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