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  1. #1
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    Default Passenger side wheel wobble

    So a customer recently brought their 2000 Pontiac Grand Prix GT in for wheel wobble. I thought it was the brake rotor, but it still shook after I replaced it. I tried moving the cv axle and it was moving up and down slightly. Would I need to replace the cv axle or the wheel bearing?

  2. #2
    GTP Level Member cheatah faheatah's Avatar
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    Default Re: Passenger side wheel wobble

    First, put offending wheel/tire on balance machine and check for bent wheel or tire out of round/tread separation. Before you throw more parts/money at it.... check ball joint, inner & outer tie rod ends, etc..
    not what it looks like

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    GTP Level Member LeadfootCJ7's Avatar
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    Default Re: Passenger side wheel wobble

    When the car is in the air and you grab the wheel does it allow movement up and down, side to side, etc? How much movement?
    2007 Grand Prix GXP;2002 Camaro Z28 - tune, CAI, and exhaust
    2006 GMC 2500HD - ATS high flow manifolds and uppipes, turbo back exhaust, blocked EGR, Denali headlights, Reflexxion Cown Hood
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    Default Re: Passenger side wheel wobble

    Ryan? Are you posting on a forum to fix my car?

    But seriously, this is why I don't trust mechanics.
    2008 Grand Prix Base: Engine cover delete , flipped dogbone bushings, Transgo shift kit, Hayden 403 trans cooler,
    Quote Originally Posted by Yarbeau View Post
    we are all anal about our vehicles. Otherwise we would not be on an extinct platforms forum debating 3000 dollars cars!

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    Default Re: Passenger side wheel wobble

    Not sure who you are stocker but it's one of my close friends car.. plus I'm just starting to become a mechanic so that's why I posted on the forums so I'm guessing it's not yours. When I grab the wheel, it moves about 3-4 threads on the brake rotor

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    Default Re: Passenger side wheel wobble

    Then the cv axle itself has slight movement, the guy said that he slid into a bridge due to the icy roads out. But the wheel isn't bent. That was one of the first things I did

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    Default Re: Passenger side wheel wobble

    I haven't checked that, but I'm currently at work for another 6 hours. When I get home I'll check and let you know

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    GTP Level Member LeadfootCJ7's Avatar
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    Default Re: Passenger side wheel wobble

    When getting wheel movement, are your hands at 9 and 3, 10 and 2, or 12 and 6? This helps narrow down what could have play and be causing the problem. I do agree. In my time I have seem plenty of wheels that were bent or bad. Even more so I have seen tires that went out of round or had some tread separation that was hard to see until it was on the balancer.
    2007 Grand Prix GXP;2002 Camaro Z28 - tune, CAI, and exhaust
    2006 GMC 2500HD - ATS high flow manifolds and uppipes, turbo back exhaust, blocked EGR, Denali headlights, Reflexxion Cown Hood
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    GT Level Member mguzzo's Avatar
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    Default Re: Passenger side wheel wobble

    grab the tire at 3 and 9. if it shakes its the bearing / hub
    grab the tire at 12 and 6. if it moves its the tie rod
    --
    Current '98 GTP Coupe: Still stock and rust free. That will change.
    Old '98 GTP Coupe: VS Cam, 3.0, S2IC, 42.5#, TOGs, N*/LQ4, Corsa. it once ran a 13 flat
    Older '98 GTP Sedan: Pullied, rockered, SSIC, etc. Stock 14.33 @ 96.5 / PB: 13.89 @ 101

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    Default Re: Passenger side wheel wobble

    Isn't that backwards? I always check for bearing play at 12 and 6 (up/down movement) vs. the 3 and 9 (side to side).

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    GTP Level Member LeadfootCJ7's Avatar
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    Default Re: Passenger side wheel wobble

    Quote Originally Posted by FordMan77 View Post
    Isn't that backwards? I always check for bearing play at 12 and 6 (up/down movement) vs. the 3 and 9 (side to side).

    Yep
    2007 Grand Prix GXP;2002 Camaro Z28 - tune, CAI, and exhaust
    2006 GMC 2500HD - ATS high flow manifolds and uppipes, turbo back exhaust, blocked EGR, Denali headlights, Reflexxion Cown Hood
    1994 Olds Cutlass Supreme 2 door

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    GTP Level Member cheatah faheatah's Avatar
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    Default Re: Passenger side wheel wobble

    Quote Originally Posted by FordMan77 View Post
    Isn't that backwards? I always check for bearing play at 12 and 6 (up/down movement) vs. the 3 and 9 (side to side).
    Maybe that's from a lying on the ground perspective ???? lol
    not what it looks like

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    Default Re: Passenger side wheel wobble

    The wheel moves side to side, that would mean replacing the tie rod?

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    GTP Level Member cheatah faheatah's Avatar
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    Default Re: Passenger side wheel wobble

    You would be replacing the tie rod END. Most likely the outer, but inners go bad too. Which end has play?
    Last edited by cheatah faheatah; 01-12-2017 at 06:11 PM. Reason: nix side, add end
    not what it looks like

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    Default Re: Passenger side wheel wobble

    The part that connects the tie rod to the wheel bearing assembly is when it has play in it
    Last edited by Ryan97Rut; 01-22-2017 at 04:11 AM.

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    GTP Level Member cheatah faheatah's Avatar
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    Default Re: Passenger side wheel wobble

    IGU
    not what it looks like

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    Default Re: Passenger side wheel wobble

    take the nut off the tie rod, loosen the lock nut on the inner rod, then hit the flat spot of the knuckle where the tie rod passes through, 2, or 3 firm shots will pop it out. the car will need an alignment when your done, other side is likely shot too.

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