2006 Hummer H3 SMOKE COMING OUT OF THE VENTS

2006 HUMMER H3
45,000 MILES • 6 CYL • AWD • AUTOMATIC
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OJB
  • MEMBER
  • 1 POST
WITH HEAT ON OR OFF, WHILE THE TEMP DIAL IS ON HOT, SMOKE COMES OUT OF THE VENTS.
WHAT IS THAT?
Oct 21, 2008 at 7:16 PM
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BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
sounds like you have a bad heater core and you will have to replace it.

does it smell like antifreeze and have a oily feel?
Oct 21, 2008 at 7:45 PM
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