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Thread: thumpin

  1. #1
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
    Posts
    1,219
    on my 04 z71 i here a thumpin noise coming from the left front it just started last week. on a smooth road and not so smooth road. need some help please. truck has a 6in lift and 32 in tires.
    do i have a bad shock
    bad tie rod
    bad ball jt
    bad bushings


    i just dont know what it mite b


    thanks
    nick

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

  2. #2
    Join Date
    Jun 2004
    Location
    george west texas
    Posts
    3,694
    do you feel it in your steering wheel...if so then it's prolly your steering box...had to change mine out a couple of months ago on the '04
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

    '01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance

  3. #3
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
    Posts
    1,219
    i can here it and sometimes feel it in the steering wheel and just found out that i lost a weight on both front tires . but the left side makes the noise

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

  4. #4
    Join Date
    Apr 2005
    Posts
    4,229
    I'd bet on the steering shaft.
    Gone, but not forgotten!

  5. #5
    Join Date
    Oct 2006
    Posts
    14
    Hey bud I got that same knocking feeling when I roll around turns like off the highway ramps . I feel like the steering column is loose. But it doesnt give me a problem while straight driving only on slow turns while hitting little bumps in the road. Any clue? 2004 Yukon 37,000 miles

  6. #6
    Join Date
    Aug 2005
    Location
    St. Anthony, Indiana
    Posts
    1,592
    You guys have to get your intermediate steering shaft regreased. I had the same thing going on in my truck, took it in and they regreased it and it's just like new.

  7. #7
    Join Date
    Jul 2006
    Location
    College Station, TX
    Posts
    652
    Hey guys gm has a bulletin on this. It is the intermediate drive shaft. All that needs to happen is to get the lube kit and lube it. It is happening on my 04 silverado. I went to the dealership and paid $15 bucks for it and the instructions were included. It does not look that hard but just time consuming. Nothing is broken it is just a poor design and has to be lubed.

    This post is for those guys like me that are out of warrenty. Otherwise if you are in warrenty take it in.
    2004 EXC Silverado 6.2L
    Mods:
    6.2L L92, Ported and Polished stage 3 heads, 95mm Throttle Body, 100mm MAF, NA, Pacesetter LT Headers, Magnaflow X-Pipe Muffler, Electric Fans, 160* thermostat, 2" Drop Shackles, Hellwig Sway Bars Front and Rear, Monroe Reflex Shocks, NGK Spark Plugs, AMW Oil Catch Can, 17"x10" wheels on Kuhmo Tires.

  8. #8
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
    Posts
    1,219
    <div class='quotetop'>QUOTE(shwarmy &#064; Oct 15 2006, 10&#58;40 PM) [snapback]69636[/snapback]</div>
    Hey guys gm has a bulletin on this. It is the intermediate drive shaft. All that needs to happen is to get the lube kit and lube it. It is happening on my 04 silverado. I went to the dealership and paid &#036;15 bucks for it and the instructions were included. It does not look that hard but just time consuming. Nothing is broken it is just a poor design and has to be lubed.

    This post is for those guys like me that are out of warrenty. Otherwise if you are in warrenty take it in.
    [/b]
    r u talkin about the front ds or the steering shaft cause it makes the noise with the front ds out of the truck

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

  9. #9
    Join Date
    Apr 2005
    Posts
    4,229
    Steering shaft
    Gone, but not forgotten!

  10. #10
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
    Posts
    1,219
    got it




    hey thanks sc
    i will let you know if that worked

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

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