1997 Buick Limited heat & ac

1997 BUICK LESABRE LIMITED
90,000 MILES • 6 CYL • 2WD • AUTOMATIC
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WILLIAM K
  • MEMBER
  • 1 POST
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 20, 2010 at 4:32 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Sounds more like the HVAC control module
Oct 20, 2010 at 6:26 AM
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