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  1. #1
    Veteran Member Four Rings
    Join Date
    Sep 02 2008
    AZ Member #
    32595
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    Boonies VA
    Items for Sale

    What could cause my tires to cup?

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    What should I check for to try and find out why my car constantly causes my tires to be cupped? I have checked CV, wheel bearings, axle etc and found no real play, bushings? I have 125k, but its been doing this to various sets of tires for a while now. Handling is fine, no noise when turning sharply etc.

    But, I am constantly cupping tires, and then having to deal with vibration and awful noise from the tires being messed up. Before I put on new tires I want to track down what could be causing it so that I don't have to deal with it again.

    Thanks.
    White Wagon

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  2. #2
    Veteran Member Four Rings TFSI's Avatar
    Join Date
    Dec 16 2009
    AZ Member #
    52188
    My Garage
    06 A4 2.0TQ
    Location
    MD

    shocks?
    SOLD...REVO/034 HFC/TT Downpipe/FMIC/AEM Intake/RS4 Rear Sway Bar/ST Coilovers/Podi/034 CatchCan/19" ST8/and whole bunch of maintenance.

  3. #3
    Established Member Two Rings JayDog747's Avatar
    Join Date
    Mar 10 2010
    AZ Member #
    55865
    My Garage
    2007 S4
    Location
    WI

    ^ When was the last time you replaced your shocks? How often do you rotate and balance? alignment?

  4. #4
    Senior Member Four Rings SinCityA6's Avatar
    Join Date
    Jul 17 2011
    AZ Member #
    78357
    My Garage
    '07 Mustang GT Tungsten Grey/Black
    Location
    Sin City, USA

    Shocks/struts, balance and alignment are all contributors to uneven tire wear.
    '09 C6.5 A6 3.0t Ibis White/Ebony; Clear Bra, 15% Tint, Smoked Corners, DeBadged Rear w/Black Rings, Tinted Tails, S6 Door Blades, RS6 Grill w/White Rings, Roc*Euro Intake, H&R Springs/Sways, Koni FSDs, Adams Rotors, Akebono Pads, Interior/License Plate LEDs, OEM 4 Spoke Steering Wheel w/Paddles, Escort 9500ix Hardwired
    Mod thread: CLICK

  5. #5
    Veteran Member Four Rings doublezero30's Avatar
    Join Date
    May 21 2007
    AZ Member #
    18213
    My Garage
    08 BMW 135i grey/red leather
    Location
    Northshore, MA
    Items for Sale

    should be rotating every 5-7,000 miles, dont buy shitty tires as they are more likely to cup/scallop, make sure theyre inflated properly, make sure youre suspension parts are not worn out.
    -Nate

    07 Ibis White A4 S-Line Ti Package [SOLD]
    B7A4 Build Thread: http://www.audizine.com/forum/showth...58#post7310258

  6. #6
    Established Member Two Rings
    Join Date
    Apr 04 2012
    AZ Member #
    91238
    Location
    Calgary/ Alberta/ Canada

    Over inflation

  7. #7
    Senior Member Four Rings FraggyA4's Avatar
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    Mar 03 2012
    AZ Member #
    89246
    My Garage
    VW Jetta TDI, Jeep Comanche
    Location
    Battle Creek, MI
    Items for Sale

    I heard somewhere down the grapevine that we are not supposed to rotate our tires because of something to do with the quattro. I think this actually comes from the audi owner manual.

  8. #8
    Established Member Two Rings JayDog747's Avatar
    Join Date
    Mar 10 2010
    AZ Member #
    55865
    My Garage
    2007 S4
    Location
    WI

    Wow! That grapevine sounds pretty sour. Would you quote where in the owners manual it states that about the tires.

  9. #9
    Veteran Member Four Rings Stewy's Avatar
    Join Date
    Jan 24 2010
    AZ Member #
    53879
    My Garage
    2007 Audi A4 S-Line 6MT, 2012 F-150 Platinum 6.2L, 2003 Suzuki GSX-R750
    Location
    Vancouver, B.C., Canada

    Cupping, or being worn on the outer edges, is usually caused by under-inflation of your tires. What PSI are you running in them? If only one of the outer edges is work, you most likely have an alignment problem.
    2007 Audi A4 S-Line 2.0T FSI - APR Stage III GT2871R, APR HPFP, Carbonio intake, AWE FMIC, BSH CC / PCV delete, OEM "D" DV, APR downpipe, Neuspeed exhaust, H&R coils, ECS Stage 4 BBK, JHM 4:1 center diff, Neuspeed short shift, RS4 rear sway bar, Neuspeed snub mount, Defi MeterBF gauges with Defi-Link, Vag'd, de-badged, black rear valence, Cupra R lip, Huper Optik tint, RS4 grille, EU amber tails, 19" Hartmann RS4 replicas with H&R Trak+ spacers

  10. #10
    Senior Member Four Rings FraggyA4's Avatar
    Join Date
    Mar 03 2012
    AZ Member #
    89246
    My Garage
    VW Jetta TDI, Jeep Comanche
    Location
    Battle Creek, MI
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    Quote Originally Posted by JayDog747 View Post
    Wow! That grapevine sounds pretty sour. Would you quote where in the owners manual it states that about the tires.
    So I wasn't exactly wrong...You don't get the usual tire rotation and the manual doesn't state any intervals it just says

    "To ensure that the wear is equal on all tyres the wheels should be
    changed round from time to time according to the system
    ⇒ fig. 263. All the tyres will then last for about the same time."

    Figure 263 is just moving FL to BL and BL to FL and vise versa for the right side

    This is on page 270 of the B8 A4 and I'm pretty sure it is the same on the B7

  11. #11
    Active Member One Ring
    Join Date
    Aug 12 2012
    AZ Member #
    98524
    My Garage
    1992 Holden Jackaroo (Isuzu Trooper), Mazda BT50 Trayback Ute
    Location
    Adelaide, Australia

    Quote Originally Posted by Stewy View Post
    Cupping, or being worn on the outer edges, is usually caused by under-inflation of your tires. What PSI are you running in them? If only one of the outer edges is work, you most likely have an alignment problem.
    ^this

    If it is worn on both outer edges it is likely to be under inflated. If it is worn on center only it is likely to be over inflated. If it is uneven wear left to right, alignment is the best bet, and if your tyre is no longer round check your shocks first. Ive had all four happen on different cars.
    If you still cant solve it, post a pic of your tyres and I'm sure you will get more responses. Good luck!



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