HEATER AND AIR CONDITION ONLY WORK OUT OF THE ...

  • Tiny
  • Anonymous
  • 1999 Jeep Cherokee
  • 150,000 miles

Heater and air condition only work out of the defrosters the floor mode dont work or by leveal in your face dont work is it vacumn proublem

Tuesday, November 13th, 2012 AT 6:18 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

The vent doors are actuated by engine vacuum. Check for a vacuum leak under the dash or the hood.

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Tuesday, November 13th, 2012 AT 6:22 PM

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