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2001 Dodge Caravan one side of heater blows hot air

Tiny
THOMAS VANDAL
  • MEMBER
  • 2001 DODGE CARAVAN
Heater problem
2001 Dodge Caravan 6 cyl Front Wheel Drive Automatic 108k miles

when we turn on the heater only the driver side gets very hot air like it used to, but now the passenger side gets cold air only.I checked the anti freeze levels and there ok what else can be causing this and how do I check to find out
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Thursday, October 7th, 2010 AT 2:58 PM

6 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Is this a dual temp control system?
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Thursday, October 7th, 2010 AT 3:11 PM
Tiny
THOMAS VANDAL
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  • 4 POSTS
I dont know how can I check to find that out
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Saturday, October 9th, 2010 AT 1:36 PM
Tiny
WRENCHTECH
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It's pretty obvious. Do you have separate temp setting for left and right?
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Saturday, October 9th, 2010 AT 1:38 PM
Tiny
THOMAS VANDAL
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Yes
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Saturday, October 9th, 2010 AT 1:40 PM
Tiny
WRENCHTECH
  • MECHANIC
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The temperature is controlled by the use of an air mix door that is operated by an electric motor/actuator. This door can be jammed or the actuator can be inoperative or have stripped plastic gears internally.
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Saturday, October 9th, 2010 AT 1:41 PM
Tiny
THOMAS VANDAL
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  • 4 POSTS
Is that easy to get to and cheack or is it a job for a pro
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Saturday, October 9th, 2010 AT 1:52 PM

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