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Will not blow hot air at all in any position from floor thru defrost.
1999 Pontiac Bonneville

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

(1999 Pontiac Bonneville)
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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General Diagnosis
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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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