2003 DODGE RAM

  • Tiny
  • John Colucci
  • 2003 Dodge Ram

Heater problem
2003 Dodge Ram V8 Four Wheel Drive Automatic 81000 miles

My heater only blows heat from the air vents or defroster not the floor I suspect the deflector door is broke how hard a repair is this and is there any info available for thisrepair?

Saturday, December 26th, 2009 AT 8:08 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,288 posts

The vent doors are actuated by vacuum. I would start by checking and listening for vacuum leaks nder the dash when you switch to the floor. Make sure the engine is running to create the vacuum. That way you may hear a hissing sound.

Let me know if you find a leak. If not, I will try to find you pictures of the system for you.

Joe

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Sunday, December 27th, 2009 AT 8:37 PM

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