Thanks for the info. I didn't find any vacumn leaks. I did find some information about the blend door causing problems. It turns out that door was stuck allowing full heat into the car. I pryed it open with a screwdriver and it works fine now. All climate control functions now work...
I have a 1990 and according to the owners manual the temp. range for the climate control is between 65 F and 85 F. When you select 60 F then you get max cold and when you select 90 F you get max hot. The 60 and 90 settings are meant to cool or heat untill you turn it off or change the setting...
I have a 1990 with electronic climate control. The blower comes on, but only blows hot air. I tried the diagnostic feature on the control and every thing shows that it is switching from hot to cold when A/C is selected. The only one out of range is parameter 30 (stored full hot value). The range...
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