Question about 1998 Jeep Grand Cherokee

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I'm having the same water accumulation problem passenger side front. I created the drainage plug and still having problem. I believe its coming from outside into the drain plug area...is there an easy way to seal around the drain plug from inside...or do I have to go in through the wheel cowling area?...thanks for taking the problem

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  • Jeep Master
  • 1,449 Answers

Could be a clogged water drain line (blow it out w air), the heater core may be leaking (any coolant} windshield seal. when its dried up, use a hose to spray water on the car to see if u can create the condition for a diagnosis.

Posted on Oct 28, 2017

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 491 Answers

SOURCE: leak onto floor passenger side from neck of ac drain through firewall

it sounds like your heater core is busted. you will have to go under the dash to get to it and replace with a new one

Posted on Oct 11, 2008

  • 255 Answers

SOURCE: 2005 Jeep Grand Cheerokee Sunroof Leak

have the sunroof gasket replaced
or buy one online cheap at sunroof doctor.com

hope2help shack

Posted on Apr 19, 2009

old marine
  • 2256 Answers

SOURCE: Water coming in to front passenger floor when it rains

The heater/airconditioner box under the dash has a drain hose to allow condensation to drain when the air conditioner is running. If this hose gets plugged, rain may accumulate in this box also (if it's raining heavily), as it comes in through the fresh air intake.

Look on the engine side of the firewall, probably on the passenger side, for a hose coming through the firewall that is not connected to anything. It is usually short, has a 90 degree bend, and the open end is down. Make sure that the end of this hose is not plugged.

Posted on May 11, 2009

  • 6982 Answers

SOURCE: Water Leak in Passenger Side Floor Vent Area after car wash

Unless this happens in the rain as well, I would not worry about it. Likely in the car wash, far more water is coming in than the normal drain system can handle, therefore causing it to overflow. If you do have a drain obstruction, find the drain hose (small right angle hose on firewall passenger side) and roll it in your fingers to clear it.

Posted on Oct 12, 2009

  • 1 Answer

SOURCE: 2003 Jeep Cherokee Leaks Water on Passenger Side

Just had ours fixed, look on engine side of firewall, if the outlet pipe in passenger well is a 3/4 inch long pipe projecting forward into engine bay with no tubing leading down towards the ground, the problem is water comes out trickles back with pressure in engine bay to foam seal under the pipe and enters footwell inside car.
Take a piece of rubber tubing and hose clamp it on and direct it down towards ground in engine bay and the problem will be solved!
We have gone from soaking carpet to no leak at all with this simple fix.
Rgds Martin

Posted on Oct 15, 2009

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