GS - 1st Gen (1993-1997) Discussion about the first generation GS300

Losse control when car bump

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Old 11-15-09, 09:27 PM
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mylexus_gs
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Angry Losse control when car bump

I need your guy help or give me any suggestion. i have been having a problem with my car when goes bump and start lose control on wheel balance or some time goes around curve and turn back straight and then it start loosing control or unbalance on car. I have not bring my to mechanics shop to get an inspection, because i am afraid they will not tell the truth. So please give me any idea with my car. Thank you very much.

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Old 11-15-09, 10:48 PM
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zero44
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It could be a case of bump steer which usually happens if your wheels are misaligned or you have uneven tire pressure. Those would be things to check first. Worst thing it could be is your suspension ie ball joints control arms and such. Check those and see what kind of condition they are in.
Old 11-16-09, 09:52 AM
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link13
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Very hard to diagnose online. It could be ball joints or an alignment issue. You should get it to a technician and have it inspeced asap. Look for recommended shops in your area or ask friends who they use. There are some very good shops here and I'm sure there's at least 1 in your area.
Old 11-16-09, 09:55 AM
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mylexus_gs
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Thanks for your quickly reply to me.
However, i've already check tire pressure and the wheel got alignment, but still got that problem. So the next thing, i need to bring my car to mechanics shop to check out the lower ball joint on both side, dont you think?
Old 11-16-09, 09:59 AM
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TheMole
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Another thing to check are the inner/outer tie rods and steering damper.
Old 11-23-09, 09:31 AM
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mylexus_gs
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Hi, everyone.
First, thanks for all your guy suggestion and hope your guy have a good Thanksgiving day. Second, i still need your idea. Like, i just replaced a lower ball joints on both side and still feel loosing when it goes bump, but it got better than before a little. Before i putted them back together, i checked tie rod both side and lower arm control. i didn't see any damaged or lose. There was only thing that i was replaced a both front shocks but not in the rear. Do you think that it might cause a problem?? What's a steering damper?
Please i need some idea.
Old 11-26-09, 03:42 AM
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check the bushings and wheel bearings and rear shocks
Old 12-09-09, 04:50 AM
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jrgoodtyme
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I had a similar problem everytime I hit a bump the car kind of wobbled went side to side. Drove me crazy for months. First I was told I needed an alignment then matching tires from 2 different mechanics. Then just the upper control arms .For me it many issues. Front and Rear struts , the upper and lower control arms.The shop wanted almost 2,700 for parts online but I got the same parts they would have used with the same lifetime warranty online
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