2002 Chrysler Grand Voyager doesn't continuously blow warm

Tiny
RFANSLER
  • MEMBER
  • 2002 CHRYSLER GRAND VOYAGER
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 110,000 MILES
Recently our minivan blows cool air when the heat is on after the car is sufficiently warmed up. It will blow warm every once in a while but will cool off shortly. Mostly blows cool. Fan and resistor were replaced a few months ago and seem to be working fine. What makes it go to cool air when on heat? Thanks
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Saturday, October 17th, 2009 AT 7:38 PM

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Tiny
RASMATAZ
  • MEMBER
Could be a thermostat, air mix/blend/mode/recirc door problems, vacuum and actuators problem or the HVAC control module
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Sunday, October 18th, 2009 AT 2:05 AM

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