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2003 Dodge Ram warm air

Tiny
PATRICKACKER
  • MEMBER
  • 2003 DODGE RAM
  • V8
  • 2WD
  • AUTOMATIC
  • 86,000 MILES
I have a 2003 dodge ram 1500 4.7 v8 one side of the vehicles heating system blows out warm air while the other side blows out cold air and it gets pretty cold driving down the road any suggestions
Wednesday, February 4th, 2009 AT 7:57 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Make sure the vacuum lines going to the HVAC system are attached and not damaged.

Let me know what you find.

Joe
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Friday, February 13th, 2009 AT 5:55 PM
Tiny
STREETBOB
  • MEMBER
  • 3 POSTS
Hi Joe,
All my vacuum lines are in tact. However, all the mixing doors on the heater are controlled by electric motors. The schematic for the electrical shows wiring to the drivers mixing door. Nothing in the manual shows a view of the box itself. I've found two of the actuators with electric motors, but not the drivers mixing door. I guess what I really want to know is how far down I have to tear down the dash board to get at the right actuator. Will I need to go so far as to remove the passenger air bag and remove the entire backing to get there. I'm hoping someone will tell me what I want to hear. Please tell me "cake walk".
Thanks
Tim
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Sunday, February 15th, 2009 AT 6:24 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
That one I can't answer. I will post this with a couple mechanics to see if they have an answer for you.
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Monday, February 16th, 2009 AT 10:07 AM
Tiny
STREETBOB
  • MEMBER
  • 3 POSTS
Thank you
Tim
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Monday, February 16th, 2009 AT 6:30 PM

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