2000 Hyundai Tiburon a/c-heater blows only out of defrost v

2000 HYUNDAI TIBURON
108,500 MILES • 4 CYL • FWD • AUTOMATIC
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RONNIEMOORE
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  • 1 POST
a/c-heater blows only out of defrost vents..will not change to dash vents
Apr 3, 2010 at 11:28 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
What you are looking for here is a vacuum leak. The vents are actuated by vacuum. If there is a leak, the defalt is the defroster. Check under the dash for leaks. If you have the engine running, you may get lucky and hear a hissing sound.

Let me know what you find.

Joe
May 24, 2010 at 9:41 PM
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