Question about 1998 Dodge Grand Caravan

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To get our van to blow heat you have to move the temperature slider control back and forth a couple of times. Once heating it works great. We have had it checked and the pressure in the coolant syste

The heater does work once we get it going so I know the heater core is not plugged. It has something to do with the temperature slider control. Any ideas?

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  • Chad Molden
    Chad Molden Nov 17, 2013

    Sorry first time on this site, i see my full description did not get put on. It is a 3.3L

  • Darrell Larsen
    Darrell Larsen Nov 17, 2013

    Yes the whole climate control unit.

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  • 34 Answers

What size motor do you have 3.0 or 3.3 ?

Posted on Nov 17, 2013

  • 3 more comments 
  • Chad Molden
    Chad Molden Nov 17, 2013

    It is a 3.3L

  • Darrell Larsen
    Darrell Larsen Nov 17, 2013

    The 98 caravan has a computer in where the heater controls are. This maybe malfunctioning. You have to take the face cover off and disconnect the plugins on the back side. When replacing the unit not the color of the plug at the bottom whether it is blue, yellow or black. This will ensure you getting the right unit. If I remember right there are two screws down by the ash tray and the rest I think pops out pry lightly.

  • Darrell Larsen
    Darrell Larsen Nov 17, 2013

    That word is suppose to be notice in the 4th line after replacing the unit.

  • Chad Molden
    Chad Molden Nov 17, 2013

    Okay I should be able to handle that. Do you know the technical name for the computer you are referring to? I will try to find one online. And thank you for your help, I hope this is the problem and that computer is cheap.

  • Chad Molden
    Chad Molden Nov 17, 2013

    Are you meaning the whole climate control module?

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