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Thread: Mystery Clunk.

  1. #1
    Join Date
    Aug 2012
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    Mystery Clunk.

    Hey guys, Here's my mystery clunk.

    Big slamming metal clunk (single) sound with quick acceleration.

    parameters:

    Not hard acceleration.. just quick...around 1500rpm
    Doesn't happen with very slow start.
    Doesn't happen past 20 mph.
    Doesn't happen in neutral.
    Doesn't happen in reverse.
    Shifts from park to drive/reverse seamlessly.
    Doesn't lurch between gears at all.
    Clunk literally lifts and drops car from driverside wheel.
    Feels like driving over a curb. Yes, a 4" curb.
    Almost all likage mounts are dry rotted but everything is bolted in...or seems to be.
    Extremely loud, single clunk.

    Other parameters noticed. Very well could be seperate issues:
    Slight vibration while driving now.
    All new brakes that worked fine until this, now a slight push careens the car to the side.


    Any ideas?

  2. #2
    Join Date
    Dec 2011
    Location
    SanFran CA
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    Maybe a rear axle control arm or control arm bushing. You didnt say what kind of car, so I am assuming it actually does have control arms.

    A distant second choice could be a U-joint.

    Ray

  3. #3
    Driver side motor mount? Just throwing it out there

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