Having problems with your 2003 Chrysler Town & Country ?
Water in the passenger floorboard not antifreeze
Anytime I've encountered this, was due to the air conditioner drip tube getting blocked not allowing the water to drain out of the housing where the evaporator core is. IDEALY, the housing should be taken apart and completely cleaned but If you look at the firewall on the passenger side, you should see a small rubber tube bent at 90 degrees, round at the firewall and tapered on the other end. This can be pulled off and unplugged. Don't just put it back on once u clean it out, there is most likely still stuff blocking the drain. A small screwdriver is helpful to clear it out. I've used a hose and sprayed water, COUPLE SECONDS ONLY, into the hole to wash it out. Just repeat this and it should clear most of the junk out. The housing can hold some water so if u think the amount of water that u spray in is comparable to what comes out and is clean and clear, you can put the tube back on. Hope this was helpful,
Repair Help & Product Troubleshooting for 2003 Chrysler Town & Country
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