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Why does my car feel like it has a flat tire?

I will be driving down the freeway at 75 mph and i will feel like the car is (for lack of a better word) wiggling down my lane. like if you were to jerk the steering wheel left and right really quick, thats how it feels. But it is not all the time only in random parts. Ive checked my tires and they are all at adequate air pressure. So im ata loss as to what it is. I do have a full sized spare on atm if that changes anything? thanks in advance

Update:

so the avereage answer is the balance is off. I don't think it is the brake discs since i had those replaced recently. its not like its dangerous just really friggin annoying lol thanks everyone

Update 2:

BTW its a 2003 VW jetta with 4 18" aftermarket rims and one full sized spare tire

Update 3:

My tires aren't new but its just started recently I would think either tire alignment or tire balance. Being that I killed one of my rims on a pot hole and now have that dpare on it.

6 Answers

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  • 1 decade ago
    Favorite Answer

    What you are describing is a shimmy.

    It can be caused by your tires not being properly balanced to ball joints

    More info

    Make Year Model?

    Do a high speed balance with the tires on the car

  • 1 decade ago

    You have 18' rims and 1 full size spare. But the full size spare is probably way off in proportion of the other 3 tires/wheels. Change the spare.

  • Kenny
    Lv 7
    1 decade ago

    If the tires are brand new then drive it for like 500 miles and see if it continues. New wider tires will develop that, don't remember the exact name it is called ''tracking/trimline"

    Anyway, break it in and see if it continues. If not then check the balance or check the alignment.

  • Anonymous
    1 decade ago

    It might be a warped brake disk, or possible your wheels are not balanced or the tracking isn't set right.

    I would suggest that you go to a garage to get it looked at, chances are that it won't be too expensive.

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  • Anonymous
    4 years ago

    i'm uncertain yet 2 issues spring to innovations. Your power guidance belt has come off or you bent your tie rod on one component to the vehicle have your storage examine it out and furnish you with an estimate. some garages will supply a loose estimate.

  • Anonymous
    1 decade ago

    check your balance on your tires

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