Question about 1987 Chevrolet Corvette

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1987 corvette, digital climate control stays on 90 deg.. Any suggestions?

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I had a similar problem. My control worked to increase heat, but the cool button would not allow the temp to go back down. I took the climate control apart. I don't think GM intended this to be done, because it is held by little plastic **** that will break off. This is very deilicate. Take a rasor knife and trim the heads of the ****. This will allow most of them to pull through w/o braking off. Be very careful now to separrate the parts. There are little rubber switches that will have to go back exactly. I had to use some small pieces of thin tape to hold some of them as i re-assembled it. The problem was crud on the circuit where the cooling button makes contact. I took 0000 steel wool on a pencil eraser and cleaned the circuit where the switch makes contact. I also cleaned the little black switch inside the gray rubber. I re-assembled and tested. Be suse to do this, because you don't want to take every thing apart again. I had to tape the control back together. You could gule, but it would be hard if you had to get back into it. Mine now works find and saved a couple of 100 dollars. hope this helps... Stephen

Posted on Jul 21, 2009

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Check refrigerant level and antifreeze level also check the vachum to see if you have lost vachum switch would indicate a faulty blend door motor.

Posted on Jul 01, 2009


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