Water Leak and Sloshing Due to Clogged Evaporator Drain on Jeep Grand Cherokee

The AC evaporator drain commonly clogs and causes water to leak onto the passenger side floor. A sloshing noise may also be heard from the water inside the heater housing. Decaying organic debris in the housing may cause an odor. A service bulletin (TSB 24-06-96) was released; it describes how to clean the drain tube without removing the heater AC housing.

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Average mileage: 137,539 (23,300–241,307)
10 model years affected: 1993, 1994, 1995, 1996, more1998, 1999, 2000, 2001, 2006, 2011
31 people reported this problem
15 people shared problem details
my air cond, leaks in pastenger floor, how do I fix this
Water leaking on to passenger floor. Particularly noticeable during a hard rain
My passenger side floor is always wet from running the AC. It seems to be coming in from the outside of the floor, as water always drips in that location. I can not see anything leaking on the inside of the jeep and the spot that is always wet is in the middle of the floor or towards the front of the passenger side seat!
wet floor board on passanger side, not when it rains, the next day. will check evaporator seal
Found an Internet website with instructions to install a hose on the end of the ac drain tube. Problem is that the original tube does not aim down enough so the water drips from the inside of the tube and backwards along the tube underside back into the the interior because the the gasket for the tube at the firewall deteriorates. Have to cut into wheel well to find the tube. No access from anywhere it is in a hidden crevice. Once we attached a piece oh hose aimed down with a hose clamp problem resolved.
water in floorboard from ac
Sloshing water sound behind glove box. Floorboard on passenger side soaked. Work in progress.
Water sloshing on passenger side. Some leaking of water on floor also.
Water everywhere on passenger side floor board
Sound of sloshing and leaking from evaporator tube. As a result the carpet area on passenger side is soaked.
my passenger floor stays wet- was not sure what the problem was
water in on passenger side floor board from plugged evaporator drain
same wet floor
Wet carpet on passenger side. Carpet was peeled away to reveal trouble spot, debris was removed and has been several times every 20k miles or so.
We noticed puddles of water on the floor on the passenger's side. The shop said the evaporator drain was plugged and fixed it.
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