Mechanics

HEAT & AC

1997 Buick Limited

Heater problem
1997 Buick Limited 6 cyl Two Wheel Drive Automatic 90,000 miles

in winter it blows cold air and in summer hot air what can this be. Is it the heater core or the climate control in the dash or what?
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William k
October 20, 2010.




Sounds more like the HVAC control module

Tiny
Rasmataz
Oct 20, 2010.


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