LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Guys brand. New,problem!

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Old 07-26-18 | 12:18 PM
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jdm93400's Avatar
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Default Guys brand. New,problem!

Ok guys im not sure if these 2 are realted. But recently the problem has got alot worst. I cant even go on the high way no more.
so first problem is whe. U hit the brakes and pump them it the steering wheel shakes and u hear kinda of clunking sound.cant figure this one out. Its like clunk clunk and steering wheel shakes.pretty hard.
next problem has progressed and got much worse. Took to 3 mechanics all say something diff. Iv tried diagnosing it myself no luck. Still not sure if its realted to 1st problem. So my car shakes very bad from 45 -85 i said duh wheels need balanced its exactly wat it feels like. Did all 4 tires it still.does it. Saw my inner tie rods were short just done replacing those. Still does it. I mean the whole car shakes so bad at 60 70mph. I heard bout the infamous strut rod. Mechanic put a pry bar in between both bushings and pryed on it and it barly even moved.. so what else can it be? Should i buy 2 new rods anyways. Why is it shakin this bad?
i hope someone had an answer for me? Its driving me insane i cant find the problems!
Old 07-26-18 | 12:29 PM
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Applying the brakes and shaking, and not shaking without the brakes pressed, is typically brake rotors being warped. Changed the the brake pads lately? Shaking after changing tie rods. Did you have an alignment done? Alignment is needed after doing that job, even if you a sure you counted the threads.
Old 07-26-18 | 12:30 PM
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There is a hydraulic shimmy damper it looks like a very skinny shock absorber that runs transverse on the front suspension, that is supposed to dampen that shimmy effect.
Worn suspension parts help cause the problem as does an incorrect alignment.
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Old 07-26-18 | 12:50 PM
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Originally Posted by dicer
There is a hydraulic shimmy damper it looks like a very skinny shock absorber that runs transverse on the front suspension, that is supposed to dampen that shimmy effect.
Worn suspension parts help cause the problem as does an incorrect alignment.
thanks for the heads up on the hydraulic shimmy damper! +1
Old 07-26-18 | 12:57 PM
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I only know the gen 1's so my info is iffy when it comes to the other year cars.
Old 07-26-18 | 01:30 PM
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to the OP, what year is the car?!
2nd gen cars don't have this damper (that I'm aware of).
Old 07-26-18 | 09:04 PM
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I have a 2nd gen! I see 2 dampning 1 connected to the sway bar amd another connects to the subframe but thats just a rod with no bushings.
but this was doing this before the inner rods were replaced!
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