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  1. #1
    Established Member Two Rings
    Join Date
    Oct 07 2009
    AZ Member #
    48935
    My Garage
    2001 A4 Quattro Turbo
    Location
    Kansas City-Lawrence-Top Area

    How to tell if control arm is getting bad?

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    I have a clunk when going over bumps when turning, especially when turning left and it comes mostly from passenger side front. If it was a full strut assembly it sounds as if the strut mount is smacking together. Is this most likely control arm issues and which one is the problematic one, upper or lower, etc?

    Also on a diff note. If my motor mounts are bad will this make it more likely that I crack my APR snub mount?
    2001.5 Red A4 Quattro Turbo -- APR loaded ECU, APR R-1 Dv, Ronel 17's with 225/45 tires.
    Maintenance done: T-belt kit, front axles, fixed exhaust leak. Amsoil flush, Amsoil 5-40 Audi spec. Hitachi E.
    2001 Black Infiniti I30-fun family car that a wife loves
    2003 Black Z71 Surburban -- Tow kit, murders gas, pulls 14 foot enclosed trailer, Atv's, and extra people.

  2. #2
    Veteran Member Four Rings 99blueb5's Avatar
    Join Date
    Mar 10 2008
    AZ Member #
    26268
    My Garage
    01 S4, 99 A4
    Location
    Bellevue, WA

    Re: How to tell if control arm is getting bad?

    sounds like your control arms are out, if a clucking noise and nothing is broken its prob your control arms
    99 A4 1.8TQM:
    APR Stage 3 GT28rs kit, CM FX400 6puck, 3" downpipe, Nuespeed catback,Nuespeed short shift, Cxracing fmic, Forge007 DV, H&R coilovers, APR snub mount, gasket ported head, VDO guages, e codes, 6k's, Fiberimages CF hood/trunk, A8 BBK, IE Rods

    00 B5 S4
    Vast stage 3, Rs4 airbox, ko4's,borla cat back, neuspeed sways, statis coils, jhm fmic, SSAC Dp's

  3. #3
    Senior Member Two Rings stubbs's Avatar
    Join Date
    Jul 29 2008
    AZ Member #
    31390
    Location
    Utah

    Re: How to tell if control arm is getting bad?

    That does sound like control arms. If you want a more definite check, jack the car up and grab the wheel. It shouldn't move when you push on either side. Then grab the upper control arms and see if you can move them much with your hand. If so, time to replace them.

  4. #4
    Veteran Member Three Rings T3hD0gg's Avatar
    Join Date
    Jan 19 2008
    AZ Member #
    24308
    Location
    Woodstock, IL

    Re: How to tell if control arm is getting bad?

    I found a good video on YouTube that should help you out with diagnosing. It pretty much describes what has been said already but in a nice visual form.

    http://www.youtube.com/watch?v=tbeBvu49ts4
    -Pat

    2001.5 Audi A4 1.8T Quattro (Santorin Blue)
    2003 Volkswagen Jetta 1.9TDI (Platinum Grey) [Dad's]

    Eventual Project Car: Audi B6 A4 1.9TDI Quattro

  5. #5
    Established Member Two Rings
    Join Date
    Oct 07 2009
    AZ Member #
    48935
    My Garage
    2001 A4 Quattro Turbo
    Location
    Kansas City-Lawrence-Top Area

    Re: How to tell if control arm is getting bad?

    Thank you, I think it just started. This f-ing car will be brand new if I finish fixing things
    2001.5 Red A4 Quattro Turbo -- APR loaded ECU, APR R-1 Dv, Ronel 17's with 225/45 tires.
    Maintenance done: T-belt kit, front axles, fixed exhaust leak. Amsoil flush, Amsoil 5-40 Audi spec. Hitachi E.
    2001 Black Infiniti I30-fun family car that a wife loves
    2003 Black Z71 Surburban -- Tow kit, murders gas, pulls 14 foot enclosed trailer, Atv's, and extra people.



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