S2000 Under The Hood S2000 Technical and Mechanical discussions.

Car bounces left to right on highway !?!?!

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Old 07-24-2007, 12:25 PM
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to have that tuned and checked out i gotta go to the dealer rite?
Old 07-24-2007, 12:53 PM
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Not likely on a 2003 model that the steering rack is having problems, but anything is possible.
Old 07-24-2007, 03:06 PM
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I had a similar problem with my Accord a few years ago, but it was more pronounced at low speeds like right after takeoff. The car was kind of moving side to side, however...it turns out, it was gone after replacing the tires...were the tires causing it or was an alignment made after the new tires went in? Who knows, but it could be either.
Old 07-24-2007, 10:12 PM
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let us know what it was...when you fix it.

i'm betting on bad spring install cuz 70mph is VERY LOW speeds to have unstable characteristics.
Old 07-25-2007, 01:40 AM
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hahha dont trip.. i bet yah my car rides wrost then yours... im stock struts with cut hks.. dumped as hell but no way i wouldnt do anything execpt driving straight... i would just go with a full strut from buddy
Old 07-25-2007, 09:20 PM
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Originally Posted by Squeezer,Jul 22 2007, 03:28 PM
low tire pressure on one of the rear tires?
I had low pressure in my tires and the car was much harder to control in VTEC. Check that first.
Old 07-25-2007, 11:31 PM
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Originally Posted by funkiejee,Jul 25 2007, 02:40 AM
im stock struts with cut hks.. dumped as hell but no way i wouldnt do anything execpt driving straight...
If the car is not capable of minor, to moderate manuvering tasks, I dun't see why it would be much safer in a straight line at speed.

This is a road going sports car. If you wouldn't do anything but straight, there must be something wrong with the car.





Old 07-26-2007, 09:11 AM
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Sounds like bump steer to me.


Now does it do it on ALL types of roads?
Old 07-26-2007, 02:22 PM
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yea its on all types of roads... like its trying to pull from one side to the other ...
Old 07-26-2007, 10:56 PM
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Originally Posted by S2K Sideways,Jul 26 2007, 03:22 PM
yea its on all types of roads... like its trying to pull from one side to the other ...

Try an alignment bro. From what you describe, darting to the left and to the right is something that could be caused by not having enough forward positive caster. The first thing I would do is perform a visual inspection of the tires, more particular the two front tires. If they are at the end of their life, or close to, just replace em with two fresh tires up front. You would be suprised how well a car can handle with good rubber on it, even in terms of straight line speed.

From what you have descibed, an alignment should be on order right away, and mebbie fresh rubber up front, And I think you'll be good to go




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