1999 Dodge Dakota A/C-Heater Vent problem

Tiny
WFALCONE
  • MEMBER
  • 1999 DODGE DAKOTA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
I have a problem with my A/C-Heater vents. My wife drove the vehicle to Colorado a few weeks ago and about 200 miles north, she called me to tell me that the air conditioning had stopped. The fan motor was still working but no air was coming out of the vents. She also said that there was no air coming out of the defroster vents either. She finished her trip and a couple of days later she called to tell me that it started working again. I haven't had a problem since then, everything seems to work fine. I thought about the vacuum check valve, but I can't locate the valve. Do you know of anything else that could cause the problem and if you still think it might be the check valve, can you tell me where I can locate the unit?
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Tuesday, September 1st, 2009 AT 1:38 PM

1 Reply

Tiny
DOCFIXIT
  • EXPERT
Hi
When vacuum source is lost unit goes into default mode which is out of defrost. So to loose all air flow maybe a restriction. During long trips and extended AC use if cycling switch is off a little the evaporator freezes over and air flow lost. So need to have AC checked for proper cycling.
Hope this helps
Thanks for donate
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Tuesday, September 1st, 2009 AT 2:55 PM

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