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wierd vibration

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 90K5, Aug 23, 2001.

  1. 90K5

    90K5 1/2 ton status

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    OK I noticed this about a week ago while messing with the alignment and rotating tires. Sometimes at low speeds, my truck vibrates pretty badly, but if I steer a little and let up on the gas or give it some brakes, it stops. I'm thinking its a bent rim, or possibly because of the tire rotation...getting new tires soon anyway, and I guess I'll have them look at the rims. If the rim was only slightly bent, would it make more of a difference o nthe front than back? Thanks

    90K5
     
  2. Nonesuch

    Nonesuch 1/2 ton status

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    try checking your driveshafts for play at the universal joints....it sounds like the symptoms of worn out UJ ..... GL
     
  3. MudbogAD

    MudbogAD 1/2 ton status

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    maybe your tires need balancing.

    Adam
     
  4. 88MudBeast

    88MudBeast Registered Member

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    Hey, I used to work at Discount tire co, and i saw this all the time. We would have somebody come in that needed something that used the balancer, whether it was new tires, or just a balance. If it is a bent rim, its the easiest to see when the wheel is on the balancer because it spins it around really fast, and you see the tire wobble. If you find out which wheel is bent...if it is the wheel that is causing the vibrations, put it on the back, and that should take care of it. I know the Discount tire i worked at fixed bent steel rims, but you cant fix aluminum wheels unless you take them to a special shop cuase they will crack if you try to bend them back. Hope that helped you a little bit.
    Jake.
     
  5. 90K5

    90K5 1/2 ton status

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    Wouldn't be surprised if they do need balancing...I doubt its the u-joints, replaced them last year, so they should be going out pretty soon again, but when they went out before, the vibe was from the back, now its from the front. I have a feeling my next trip to the tire shop will cure this problem though.

    90K5
     
  6. jimmyjack

    jimmyjack 1/2 ton status

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    Hey 90, ask the tire shop about a "road force" test. They simulate the weight of the vehicle when they balance the tires. My tires all balanced out to zero but I still had a bad vibe. They (discount tire) did this test and found a bad tire even tho it balanced to zero. Its about 20 bucks a pop tho!

    That jeep thing? Yah I understand it....... Like my Blazer? <a target="_blank" href=http://community.webshots.com/user/blazerk5>http://community.webshots.com/user/blazerk5</a>
    Jim
     
  7. riz

    riz 3/4 ton status

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    <font color=purple> It could be a few things but I'd also start with the balancing, It wouldn't hurt to do it often anyway to keep them lasting a long time .

    L8r,
    . Riz . <a target="_blank" href=http://www.geocities.com/rizmonkey>www.geocities.com/rizmonkey</a>

    <font color=purple> BOW CHICKA BOW WOW !
     

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