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azsubaru: I used to live in Tempe, bought this Loyale new there (Scottsdale/Phoenix) in 93. I was thinking of trading it in, but, you know, I still like this car. Thanks to everyone for helping. Ill try the disengage on the dirt sometime tomorrow or next week. But, this is supposed to be a heater thread! I did have the upper drivers side dash virtually off. It would not come out from under the dash portion that makes up the glove box. That is, the very right most side, to the right of the center right forward air duct, has a tab or something going under the glove box dash fascia. Sounds like there are no screws or other secrets that hold this particular piece? I will go ahead and be more agressive with it.

So I finally had some time to look at my vacuum lines today. I did find a broken line that feeds the 4WD actuator. Now, the car goes into 4WD no problem. However, when I want to disengage, it takes a few (seems like several) minutes, then disengages with a loud clunk. The line that goes into the cabin looks good as far as I can see. The connector near the accellerator pedal looks good. I tried to remove the upper dash to look at the switches but I could not get it to let go from the glove box fascia. I hate taking dashes apart! Each one is a mystery! All screws and tabs must be hidden! You just know that your going to bust something. So, still some vacuum chasing to go. Will bad vacuum cause a balky 4WD disengagement as well? Any other hints at getting the dash apart?

MilesFox you may be on to something. My loyale is pushbutton 4wd and it is not going into 4wd. I thought that was going to be a separate and more major issue. Hopefully, an easy fix for both!?

Mine does not change no matter how long I wait, so something has rendered it, ..... inoperative. The chiltons manual I have is little help on the interior and electrical stuff. I dont know if the doors are vacuum or electrical. If your telling me that getting to the heater/ac components does not require removing the dash, then I will try and dig into it.

Hello Everyone I have a 93 loyale AWD with what seems to be a stuck heater - defrost door. That is, I cant get hot air to blow through the defrost ducts. AC works and hot air works but only through the main ducts. So, even if I press the defrost button, hot air comes out through the main ducts. Is this an easy fix or am I looking at having to remove the entire dash? Where would I start? Thanks in Advance Eric