Question about 1987 Chevrolet Corvette
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
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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Posted on Jan 02, 2017
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