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  1. #1

    Default Sound of Water running under the dash

    Hey guys, I hope I am not wearing out my welcome with my second tech question. If anyone can help, I sometimes hear water (or some kind of fluid) that sounds like its slushing around under the dash. I have no in cabin drips or leaks. Not sure what it is and its not all the time. Any ideas?

    Current GM Truck
    2001 Red Tahoe LT 4X4 with 22" rims

    Previous GM's
    1996 Z28 Convertible 6M
    1995 Z28 Auto
    1995 Reg Cab Silverado 1500

  2. #2
    Moderator

    Davandy's Avatar
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    I had the same sound in my Suburban it turned out to be the leak detection fluid from the AC.
    Peter Smet
    Haasdonk, Belgium

  3. #3

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    Man, I have never heard of leak detection fluid. How did you fix it?

  4. #4
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    Davandy's Avatar
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    I've had the AC drained and refilled with new Freon.
    They put the leak detection fluid in when I had a leak then they can see the leak with a black light but I think they had put too much in it.

  5. #5

    Default

    Thanks for the info. I will have to get that checked out. Love the conversion van by the way. How are you liking it?

  6. #6
    Master Mechanic TahoeFever's Avatar
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    Default

    Quote Originally Posted by RedHoe01 View Post
    Hey guys, I hope I am not wearing out my welcome with my second tech question. If anyone can help, I sometimes hear water (or some kind of fluid) that sounds like its slushing around under the dash. I have no in cabin drips or leaks. Not sure what it is and its not all the time. Any ideas?

    Your NOT wearing out your welcome trust me if that was case I would have been banned long ago LOL

    More questions you have the better thats why we are all here for
    Good luck on getting that issue fixed
    04 Tahoe LT 5.3L stock MSD 8.5mm Wires
    Gigbson Duels Straight Exhaust, Parrot 3100 Bluetooth
    K&N 77 Series CAI, Sirius Radio
    De-badged, Valet Dei remote start
    5000k HID -Higherlevelauto.com
    Federal 100watt air horn

  7. #7
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    Davandy's Avatar
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    Quote Originally Posted by RedHoe01 View Post
    Thanks for the info. I will have to get that checked out. Love the conversion van by the way. How are you liking it?
    I like it a lot, it drives great with a lot of comfort the MPG is 14 I wish that one was better but you can't have everything

  8. #8

    Default

    Thanks TahoeFever, I appreciate that. Believe me, I will have more questions. I am just now getting to the upgrades stage so you know how that goes.

  9. #9

    Default

    Quote Originally Posted by Davandy View Post
    I like it a lot, it drives great with a lot of comfort the MPG is 14 I wish that one was better but you can't have everything
    14 for all that room. I should have got one of those. I am getting 15.5ish mpg and I drive 40 miles each way to work and have alot less room. YOu probably have the 5.3 right?

  10. #10
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    Davandy's Avatar
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    No I have the 5.7 Vortec without modification, maybe my foot isn't so heavy

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