HVAC issue - vent output selection

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03-31-16, 01:53 PM

NJ-JDM

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HVAC issue - vent output selection

An issue cropped up with my 93 a few months ago. Haven't had time to do any diagnosis. I can no longer select where the air comes out, its stuck on heat/defrost, the default on most cars I believe. What is the more likely place to start to look? Up in the controls on the dash, or down at the heater box? I had the dash setup apart last summer to refinish the panel because of 93 sticky interior issues. It worked with no issues for months and just stopped one day.

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03-31-16, 02:28 PM

FourtyOunce

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Check for a loose connection in the back of the HVAC unit. If you took it apart to refinish the panel, there is a high probability that a wire or connection came loose.

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03-31-16, 02:47 PM

NJ-JDM

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Quote:

Originally Posted by FourtyOunce

Check for a loose connection in the back of the HVAC unit. If you took it apart to refinish the panel, there is a high probability that a wire or connection came loose.

Good point, that's the first place to check. I have to fiddle with my headunit mounting so that will be a perfect time to check.

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