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Thread: An intersting little dilemma

  1. #1
    Join Date
    Aug 2005
    Location
    Iowa, USA
    Posts
    407

    Default An intersting little dilemma

    i was driving back today on a windy road, and i noticed something odd.

    When i turn right, with some decent pull (enough that you notice it, not yanking), and the weight of the car shifts to the left, i hear an interesting humm and very slight vibration (i think) coming from the left front wheelwell, nothing when turning left. I wouldnt propose i am rubbing the tire because the tire is not angled enough, this only happens when taking a turn with some pull.
    a slow turn at say a sharper angle will not reproduce this. it is directly related to the force acting on the car sideways.

    It sounds like when you change roadsurface and your tires sound differently..

    So here are my hypothesii, but i dont want to plant any ideas.

    1: the tire moves, exposing some of the tire's side to the surface causing noise and viration, i am running bridegstone potenza's, with less than 8000 miles on them.

    2: My bearing is screwed and the increased load on it is causing them to grind or do something that will cost me a lot of money.

    I dont know what a grinding bearing sounds like, but i would imagine it to be loud, this noise is not.

    What do you guys think?

  2. #2
    Join Date
    Mar 2005
    Location
    Hockinson, Washington
    Posts
    2,499

    Default

    Wheel bearing?
    Lowered with blue h&r(?) springs, Bilsteins, tint, 19# design 3 injectors, Dual Magnaflow
    southwest WA

  3. #3
    Join Date
    Aug 2004
    Location
    Regional NSW, Australia
    Posts
    1,177

    Default

    Power steering pump ?


    "I'm not the village idiot.
    But when he retires I'm next on the list."

  4. #4
    Join Date
    Oct 2004
    Posts
    3,395

    Default

    Search wheel bearing and similar terms. I've described how to simply test a front wheel bearing in a few previous threads.

    Good luck!

    best, whit

  5. #5
    Join Date
    Dec 2003
    Location
    Wellington,New Zealand
    Posts
    3,868

    Default

    my potenza(GIII) make some interesting noises when cornering on smooth pavement,only hear it with radio off and ussually only when going downhill(engine quiet)
    Gone but not forgotten

  6. #6
    Join Date
    Sep 2005
    Location
    Goulburn Australia
    Posts
    689

    Default

    A worn wheel bearing will usually sound (and excuse my discription) like a woowoowoowoowoo. A good way to check is to wind your left window down and drive up alongside a mountain or something that will reflect the sound of the car. When really worn it will be constant but when on the way out may only make the sound under load. I know this sounds dumb but have you checked the tightness of your wheel bolts?
    Cheers

    Wingman
    '89 525i/A Exec 193000kms
    '94 Subaru Liberty AWD Wagon
    Looking for Merc 300TE
    NSW, Australia

  7. #7
    Join Date
    Jun 2004
    Location
    Melbourne, Australia
    Posts
    1,305

    Default

    Quote Originally Posted by wingman
    A worn wheel bearing will usually sound (and excuse my discription) like a woowoowoowoowoo....
    ????.... How does it go?

    1990 E34 535iA, 215,000kms (130,000 miles).
    Dual Climate, Rear Headrests, Rollerblind, M-Tech Wheel,
    Memory Seats, EAT Chip, T-Stars.

  8. #8
    Join Date
    Aug 2005
    Location
    Iowa, USA
    Posts
    407

    Default

    Quote Originally Posted by wingman
    A worn wheel bearing will usually sound (and excuse my discription) like a woowoowoowoowoo. A good way to check is to wind your left window down and drive up alongside a mountain or something that will reflect the sound of the car. When really worn it will be constant but when on the way out may only make the sound under load. I know this sounds dumb but have you checked the tightness of your wheel bolts?

    this is more like a [fade in rapidly ] wooooooooooooo [fade out] not really a periodic noise in which the woo repeats

  9. #9
    Join Date
    Aug 2005
    Location
    Iowa, USA
    Posts
    407

    Default

    Quote Originally Posted by Zeuk in Oz
    Power steering pump ?
    ive hear a power steering pump when torubled, this is not it

  10. #10
    Andrem5 Guest

    Default

    This is probably an early indicator of wheel bearing failure. It won't go WooWoo until later.

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