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Will not blow hot air at all in any position from floor thru defrost.

(1999 Pontiac Bonneville)
in Walker, LA on November 11, 2013
Air will bblow in any position I choose but when I turn the temperature towarm or hot it doesnot warm up or get hot.
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Popular Answer
of Greg's Orange Auto on November 11, 2013
ck heater controll valve for proper operation
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on December 25, 2013
I had then same problem on my 02 SE. After removing the glove box I found the electrical connection to the heater control valve loose. After pushing the connection "in" the control turned the valve shaft as designed.
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