Question about 1998 Plymouth Voyager

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I own a 1998 plymouth voyger 3.0 engine, when i turn the cabin fan motor both using ac or heat, an unpleasant odor comes out of the vent openings. I have tried over the counter ''odor away'' type product from local auto parts dealer, but the odor was still being blown out. I have remove the grill from the base of the windsheild and looked down into the outside air pathway but found nothing that would be causing the smell ?????

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Rene J Solis

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Hi!!

As you may know, A/C evaporators cause condensation (sweat), thats why there's a drain hole coming out of the firewall, passanger side, engine compartment. Some times this drain hole gets pluged up and you start getting all kinds of smells.

You need to find and unplugged the drain hole with a piece of wire. It may be easier to spot it from underneath the vehicle And then apply the "odor away".

Good Luck!!

Posted on Mar 11, 2010

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Robert Horton

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Hi, If I knew more of what kind of an odor you smell might help? Does it have any effect on the power of the blower motor in heat or cool as far as the speed or any noise as a bearing, burned wiring smell? I am just trying to nail down possibly a problem in the motor. If not, what I think may have happened if it is like a dead rodent smell, something may have crawled in around the blower wheel and past away if this is the kind of smell you have. This motor is the same for both heat and cool. If you want to get down to the blower motor, you will need to go both from under the dash and firewall to excess the motor. If it is a dead mouse lets say, it is either going in to find it which it could even be in any one of the air vents?? May be hard to locate it. If its the motor windings going out, you will know this smell as it would be like burned electrical wiring and the motor would be giving you problems. If this smell is more like a rodent smell, you may have to ride it out as it will in time dry completely out and go away? You have done what most all of us would do in this situation. Take a mouse for instance. They can come in from a field outside and go just about anywhere they want to in your car. If one did go up in to the enclosed air system which there are openings that they can squeeze into and die, chances are you would have to remove all of the duct work and blower housing to find it. Instead of using sweet smelling deodorants, check with a local janitorial supply house that have commercial products that they can recommend to you in this case and take care of this problem? It would be worth the time to do this, that's for sure! Something that they can blow down around the air intake under the hood that wont harm you or the system, be sure of that. I would say that either wait if its the smell I think, try the supply wholesale house, or the most time consuming and $$$ way is to remove all of the duct work and blower housing to try and find it. I hope this has been of some help to you, I'm sure it is very frustrating to have to smell this. Keep me posted on it please. Good Luck,
Sincerely,
Shastalaker7

Posted on Mar 11, 2010

  • Robert Horton
    Robert Horton Mar 12, 2010

    Hi, Keep me posted on what you find or have decided to do. This condensation drain would probably be fine as it is rare for one to plug up at all. This smell is is coming in when using your heater also. If you want to check the condensation drain, just sit in your driveway and start the auto, run the a/c for 5 or so minutes and make sure it is cold. I am sure you have seen this before as most people who have a operating a/c will notice the condensation leaking from down under when they shut there car off, get out, and start walking away and notice a puddle of water forming under the passenger side of the auto. If it is clear, you will see the condensation. I have seen commercial 150 ton a/c units with plugged condensation lines that have no odor at all. Keep me posted.
    Shastalaker7


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