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What the hell is this sound?

Discussion in '4 Cylinder' started by silverback, Nov 20, 2009.

  1. Nov 20, 2009 at 7:55 AM
    #1
    silverback

    silverback [OP] Well-Known Member

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    central CA
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    I know this has probably been answered but when I come to a stop there is a weird thump noise about 2 seconds after I stop. Kinda sounds like i have a loose 25lb weight sliding from the back of my bed to the cab. It is very noticeable and annoying. Could this have anything to do with the drive shaft. I drive an 06 reg cab. The truck has 54k miles on it. I bought an extended warranty up to 103k miles so I should be able to have what ever it is repaired. Any help would be greatly appreciated. Other than that I love the truck.
     
  2. Nov 20, 2009 at 7:57 AM
    #2
    Afwrestler1986

    Afwrestler1986 Well-Known Member

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    Gray wire, Some lights in the bed area, and some character marks throughout.
    Axle wrap.
     
  3. Nov 20, 2009 at 7:58 AM
    #3
    Afwrestler1986

    Afwrestler1986 Well-Known Member

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    Gray wire, Some lights in the bed area, and some character marks throughout.
    Put an AAL in and it should hepl rectify the problem.
     
  4. Nov 20, 2009 at 8:06 AM
    #4
    BlissTaco

    BlissTaco Well-Known Member

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    I have the same prob. Its a pain in stop and go traffic. So AAL is the answer?
     
  5. Nov 20, 2009 at 8:08 AM
    #5
    Afwrestler1986

    Afwrestler1986 Well-Known Member

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    Gray wire, Some lights in the bed area, and some character marks throughout.
    Or a traction bar. You choose. AAL $ Trac bar $$$$$
     
  6. Nov 20, 2009 at 8:09 AM
    #6
    Afwrestler1986

    Afwrestler1986 Well-Known Member

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    Gray wire, Some lights in the bed area, and some character marks throughout.
    You should probably also check U-joints. Just in case.
     
  7. Nov 20, 2009 at 9:14 PM
    #7
    silverback

    silverback [OP] Well-Known Member

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    painted door handles, bilstein 5100's front and back, K&N air filter. Precision power component speakers and Kenwood deck.
    Here we go, wait for it, wait for it.... whats AAL? sorry fellas
    I have no damn clue.
     
  8. Nov 20, 2009 at 9:18 PM
    #8
    BLKTRD6SP

    BLKTRD6SP Well-Known Member

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  9. Nov 20, 2009 at 9:23 PM
    #9
    dysfunctnlretard

    dysfunctnlretard Hi

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    you have a set of leaf springs on each side in the rear. Add a leaf spring to each set. downsouth motor sports has them for pretty cheap.
     
  10. Nov 21, 2009 at 1:18 PM
    #10
    silverback

    silverback [OP] Well-Known Member

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    will do thankyou very much guys. would my warranty cover this if I took it in. It says drivetrain, wouldnt that be included.
     
  11. Nov 21, 2009 at 1:35 PM
    #11
    2WD Idiot

    2WD Idiot New Member

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    I have the same noise in my truck, seems to do it most in stop and go traffic. Ive already installed add a leafs though.
     
  12. Nov 21, 2009 at 2:05 PM
    #12
    silverback

    silverback [OP] Well-Known Member

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    well if you have already done that, and it still makes that sound then now what. Is there a TSB for this that I can take to the dealership. want it gone.
     
  13. Nov 21, 2009 at 3:24 PM
    #13
    91r100gs

    91r100gs Understand the Voice Within

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    If my gas tank is about 3/4 full and come to a normal or slightly hard stop, I hear the thump. My guess it is fuel slooshing around and slapping the front of the tank. Of course I am known to be wrong too. :cool:
     
  14. Nov 22, 2009 at 8:56 AM
    #14
    Afwrestler1986

    Afwrestler1986 Well-Known Member

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    Gray wire, Some lights in the bed area, and some character marks throughout.
    If you still have the sound after the AAL then the traction bar or a new leaf pack is next. I have it too, but I know it isn't gonna hurt anything. Or you could even get a one piece drive shaft. It doesn't bother me enough to spend money on a sound. nothing is broken and it doesn't need to be fixed.
     
  15. Nov 23, 2009 at 6:47 AM
    #15
    06dak

    06dak Well-Known Member

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    x2

    Most trucks do this, it's the penalty for having a lot of fuel onboard... keep track of it as you go through a tank, if it comes and goes that's probably what it is.
     
  16. Nov 23, 2009 at 6:50 AM
    #16
    tomonian77

    tomonian77 Well-Known Member

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    My truck makes the same noise and I am fairly sure its the fuel sloshing around in the tank.
     
  17. Nov 23, 2009 at 10:41 PM
    #17
    silverback

    silverback [OP] Well-Known Member

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    Interesting point. I have noticed its not every time I stop. I have half a tank I'll check it out tomorrow. Whatever it is.... until I see sparks im not stoppin.
     
  18. Nov 24, 2009 at 6:47 AM
    #18
    chad68

    chad68 Master Jedi Member I am...

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    Mine does this sometimes too. I thought it was gas sloshing.
     
  19. Nov 25, 2009 at 1:35 AM
    #19
    Kelson

    Kelson My Truck is Cuter than Yours

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    X2 thats what i was thinking cause it doesn't happen all the time, esp when the tank is super full or super empty. i drive in stop and go traffic the majority of the time and it only happens when there is extra space in the tank.

    i encounter axle wrap at times but that's cause when i lowered my rear i killed the rear struts...

    so this is not axle wrap if the OP has the same problem i do
     
  20. Nov 25, 2009 at 1:36 AM
    #20
    Kelson

    Kelson My Truck is Cuter than Yours

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    reg cabs have a once piece driveshaft stock
     
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