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?
Oct 19, 2010 at 9:32 PM
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RASMATAZ
✓Experienced Mechanic
75,992 POSTS
Sounds more like the HVAC control module
Oct 19, 2010 at 11:26 PM
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