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: 136,742 (23,300–241,307)
14 model years affected: 1993, 1994, 1995, 1996, more1997, 1998, 1999, 2000, 2001, 2002, 2004, 2006, 2011, 2012
46 people reported this problem
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problem details
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!
Sloshing water sound behind glove box. Floorboard on passenger side soaked. Work in progress.
1995 Jeep Grand Cherokee 153,000 mi,
Water leaking on to passenger floor. Particularly noticeable during a hard rain
1993 Jeep Grand Cherokee 23,300 mi,
Water sloshing on passenger side. Some leaking of water on floor also.
1993 Jeep Grand Cherokee 75,000 mi,
my air cond, leaks in pastenger floor, how do I fix this
2001 Jeep Grand Cherokee 100,100 mi,
water in floorboard from ac
2012 Jeep Grand Cherokee 51,800 mi,
HVAC drain hose is misaligned and drain inside the cab, dealer found several gallons of water in compartment under driver seat and wet carpet. Dealer want about $700 to fix and certified warranty is denied claim
1998 Jeep Grand Cherokee 170,000 mi,
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.
1994 Jeep Grand Cherokee 149,000 mi,
wet floor board on passanger side, not when it rains, the next day. will check evaporator seal
2004 Jeep Grand Cherokee 120,000 mi,
Water in center of passenger seat.
2004 Jeep Grand Cherokee 176,543 mi,
wet passenger floor no rain but floor is wet all the time what should I look for to resolve the issue
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.
1997 Jeep Grand Cherokee 153,000 mi,
leak in passenger floorboard
2000 Jeep Grand Cherokee 130,000 mi,
Water everywhere on passenger side floor board
1995 Jeep Grand Cherokee 160,000 mi,
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
1999 Jeep Grand Cherokee 230,000 mi,
water in on passenger side floor board from plugged evaporator drain
1996 Jeep Grand Cherokee 125,000 mi,
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.
1995 Jeep Grand Cherokee 202,000 mi,
We noticed puddles of water on the floor on the passenger's side. The shop said the evaporator drain was plugged and fixed it.