Question about Jeep Grand Cherokee

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95 grand cherokee, 4.0. where can I find the evaporator housing drain tube? I have cool water leaking onto the carpet. The Haynes repair manual shows a picture but it must be for an 8 cyl because mine is not there. Thanks

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  • dsf59ba Jul 18, 2009

    is it possible to clean out the evaporator housing? if so, how? Thanks

  • dsf59ba Jul 18, 2009

    Thanks for the reply, your advice was very helpful.

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This is one that quite a few people have problems with. Someone at Jeep thought it convenient to run the condensate drain into the longitudinal beam of the vehicle frame. Thus, you won't find a drain tube poking out anywhere under the vehicle. You'll find this design on 1993 though 1996 Grand Cherokee.
The main problem stems from the fact that the air intake grill outside the vehicle is not fine enough to capture as much debris as it should. Twigs, pine needles, etc, pass through the intake screen and clog the drain. And yes, there's an updated intake screen to lessen the possibility or another blockage. This clogged drain condition can lead to odor, sloshing sound in evaporator box and wet floorboard.
Here's the Gary Harrison method to get that condensate drain flowing again.

  1. Pull the carpet on front passenger side back to expose the circular duct at the base of the firewall.
  2. Drill a 1/4" hole in the center of the circular duct outlet. Water may
    run out when you drill this opening.
  3. Run a coat hanger wire or similar through the drilled hole, and down the tube to "rod" it out. Outlet is forward and slightly downward.
  4. After clearing the drain, fashion a plug from some handy material. Parts stores have various size rubber plugs. Hot melt glue might work.
Here is a picture of what it is that you are looking for. Let me know if you have further questions and thanks for using FixYa! 95 grand cherokee, 4.0. where - 427edb1.gif

Posted on Jul 18, 2009

  • Keith Heavilin
    Keith Heavilin Jul 18, 2009

    Not sure, I will check into that. When I had problems with my wife's I did the steps that I put in for you and it fixed it right up. Did it not fix it for you? Let me know. Thanks, Keith.

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