1999 DODGE RAM AIR COND NOT WORKING PROPERLY

  • Tiny
  • barron pilgrim
  • 1999 Dodge Ram
  • 6 CYL
  • 2WD
  • automatic
  • 200,000 miles

Air comes out of defrost vents only

Monday, June 23rd, 2014 AT 8:09 AM

2 Answers

  • Tiny
  • JDL
  • Expert
  • 16,213 posts

Check the actuators under the dash. On older vehicles, the actuators used to be controlled by vacuum. If vacuum was lost, it would default to defrost. On newer vehicles the actuators are usually electric. I'll have to check about yours.

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Monday, June 23rd, 2014 AT 9:17 AM
  • Tiny
  • JDL
  • Expert
  • 16,213 posts

The actuators are vacuum controlled. I'd have to check for loss of vacuum.

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Monday, June 23rd, 2014 AT 9:33 AM

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