what are the symptoms of front wheel bearing failure?

    Hi,


    I have a long time now, in which i thought the front noise was coming from old tires getting hard. I got wheel up, checked for play up-down, not playing, with hand power of course.


    Today, i got bigger symptoms. while driving , in city, start-stop, i got a big bumping let front, like left front wheel was loose.


    So, i stopped car, and checked if wheel lug nuts where loose.


    They where fine.


    This symptom, was coming 2-3 times, and mostly when car was rolling, with 20-40km, without much power needed. like on straight road, not hill climbing.


    Anyone can describe the feeling before his front bearings failure?

    ich hatte geräusche, die eindeutig in kurven zu einer seite stärker wurden. wenn es sich schon komisch anfühlt, würde ich lieber schnell handeln. ein radlager kann sehr schnell, sehr heiß laufen und viele teure teile zerstören.

    kurzer gruss
    Prius läuft auch, säuft nur weniger:

    update...


    made also a video of the problem.


    http://www.youtube.com/watch?v=9q7stq6pMCM


    description


    "I had a problem, with passenger front wheel, giving the feel that it's going to dismantle.


    I putted a wood block, under wheel to check if wheel is moving up-down, as you can see also, it has a 3-5 mm out of roundness.
    I am not sure this lack could make car so jumpy.


    But checked wheel bearings, ok, driveshaft tight, no slack,ok, But inner driveshaft coupling to the transmission has excessive lack.
    It won't leak ATF, but i can see that the transmission inner big bearings that hold the ifferential, have a lot of gap.


    Is this normal to play so much? 1-2 mm up and down?"

    did u feel the steering wheel pumping, when u turn at slow speeds in one direction? thats what i feel, with some of the original aloys. theese seem to tend to loose roundnes verry easy.


    at whitch speed the problem is obvious?

    kurzer gruss
    Prius läuft auch, säuft nur weniger:

    yes i feel the steering pumping. at straight line ,At 20-30 km/h and then stops, and after that at 90km/h a kind of vibration.


    If i go to corner with same speed, 20-30 km/h i have more steering pumping, (shaking steering left-right)


    Could these wheels roundness lost, 3-5mm, make such an driving difference?

    all i can say is: my wheel pumping is gone with other aloys and new tyres. i never checked the amount of uneveness.
    maybe it´s a problem with the aloys, maybe with the tyres.

    kurzer gruss
    Prius läuft auch, säuft nur weniger:

    today i installed the new tires to the new 15" alloy wheels.


    I took it for a drive, no more rattles, no more steering pumping.


    I hear less the road, and yes the passenger wheel bearing is making a bit of noise, but nothing special yet.


    The 98' hyundai coupe are very sweet to the car.


    The offset is the same, and the vented rotors are very impressive through alloys spokes.




    total cost?


    70 euros the alloys.


    240 euros the tires.

    new photos,


    Just had good spray the alloy wheels and covers.


    Also cleaned whole car, seats , everything with compressed air.


    I love it to drive it clean and silent.








    I love it when it has no problem!!!!

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