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Vibration in Front End

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by rebel222, May 7, 2002.

  1. rebel222

    rebel222 Registered Member

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    How many different bearing/u-joints are there in the front end (from transfer case forward) of the drivetrain. I have a bad vibration when the 4wd is engaged. It is a NP205 and a GM 10-bolt. There is about 2 1/2" of lift on the vehicle. Any suggestions would be appreciated.
     
  2. shane74

    shane74 1/2 ton status

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    Fill out your profile and maybe we can help you better. What year is your truck? Is it a full time 4wd? If it only vibrates locked in, I'd check the driveline u-joints first. If the u-joints in the front axle were bad, it would be a constant problem. The # of u-joints in the drive line depends on what style you have.
     
  3. rebel222

    rebel222 Registered Member

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    I updated my profile to help diagnose the problem
     
  4. uglychevyZZ4

    uglychevyZZ4 3/4 ton status

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    1. DOES IT HAVE GEAR OIL IN IT ?
    2.does it have spider gears?
    3.Is the front posi?
    4.are you driving in 4 whl on pavement?
    ***if so ...QUIT!
    5.have you checked your hubs, for a broken one?
    6. rotor bearings?
    ***WE NEED MORE INFO!! hence ..do some homework then we can better help, do you pay shops to telephone diag a problem, no, they need too see it first, and you are our eyes so here is some things to check now, good luck! /forums/images/icons/smile.gif
     
  5. uglychevyZZ4

    uglychevyZZ4 3/4 ton status

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    1. DOES the diff's HAVE GEAR OIL IN? and the transfer case too !!!
    2.does it have spider gears?
    3.Is the front posi?
    4.are you driving in 4 whl on pavement?
    ***if so ...QUIT!
    5.have you checked your hubs, for a broken one?
    6. rotor bearings?
    ***WE NEED MORE INFO!! hence ..do some homework then we can better help, do you pay shops to telephone diag a problem, no, they need too see it first, and you are our eyes so here is some things to check now, good luck! /forums/images/icons/smile.gif
     

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