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

Is this the culprit?

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Old 04-29-19, 04:37 PM
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Hobycat
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Default Is this the culprit?

I've read a lot of threads on the 65 mile-an-hour shimmy as that is exactly what I've had since I bought this car a year-and-a-half ago a 99 LS with 77k on it now. I have the OEM bushings and a friend with a press. I know I have to break down and do this job. Just want to hear you fellow club members encouragement and if you think these are heavily Worn.

Old 04-29-19, 04:54 PM
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Sin1UZFE
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Replace for sure
Old 04-29-19, 05:23 PM
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deanshark
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WOW. Don't know if that is your only problem, but it sure is contributing to it. Make sure you mark the adjustment nut so when you bolt it back on it's close to being aligned.
Old 04-29-19, 05:31 PM
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spuds
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I vote replace.
Old 04-29-19, 06:06 PM
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YODAONE
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Originally Posted by Hobycat
I've read a lot of threads on the 65 mile-an-hour shimmy as that is exactly what I've had since I bought this car a year-and-a-half ago a 99 LS with 77k on it now. I have the OEM bushings and a friend with a press. I know I have to break down and do this job. Just want to hear you fellow club members encouragement and if you think these are heavily Worn.

Bushings need replacement.

Use OEM. Aftermarket parts may degrade ride

Rreplacing only bushings, you can save a few $$.however they must be indexxed.

Replacing the the entire arm prevents possible missteps.

Suspension fasteners must be tightened with full vehicle weight on suspension, or bushings will tear.
Old 04-29-19, 06:21 PM
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Hobycat
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Thanks for the advice I will definitely index them. As I mentioned they are Lexus bushings. I don't drive hard so I hope I can get 70 or 80k out of these .
Old 04-29-19, 06:40 PM
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Giorgio13
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Vote for replacing. Please share process it ya can. Thanks

Originally Posted by YODAONE
Suspension fasteners must be tightened with full vehicle weight on suspension, or bushings will tear.
Hey Yodaone,

Does this apply to all vehicles? I recently replaced some sway bar end links on my other car(04 Mitsu Galant) and I am getting a rattling similar to worn end links. I tightened with the tire off and one side lifted at a time. Thanks for the tips.

-Giorgio

Last edited by Giorgio13; 04-29-19 at 06:42 PM. Reason: Forgot something
Old 04-29-19, 08:06 PM
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Stroock639
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it's literally tearing apart so yea i say replace
Old 04-30-19, 04:08 AM
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Hobycat
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I cannot promise I'll doc the process, but i'll definitely report my experience when I finish.

Is it time and usage that wear these out? With all deserved respect (Toyota-Lexus) I say this next...Or is it designed to fail? This car spent it's life in a scientists garage in Raleigh NC used for trips to Florida and Hilton Head SC. It's not like it was running the Baja 1000 or climbing Pikes Peak! I did read at one point here that it could be the extreme torsional stress on them that contributes to failure. I think that, and it's possible softer compound, engineered in, to give it that LS ride. My thoughts. What do you think?
Old 04-30-19, 05:29 AM
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billydpowe
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the reason for rubber bushings is so you can enjoy driving your car, THEY FLEX, iron and steel would make for a very lousy ride SO YES they are designed to fail so your butt wont..... and if you have to be told yours are worn out, just keep on driving and the car will let you know. time and age are your enemy...
my 99 LS is solid as a new car
Old 04-30-19, 05:42 AM
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Hobycat
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Originally Posted by billydpowe

the reason for rubber bushings is so you can enjoy driving your car, THEY FLEX, iron and steel would make for a very lousy ride SO YES they are designed to fail so your butt wont..... and if you have to be told yours are worn out, just keep on driving and the car will let you know. time and age are your enemy...
my 99 LS is solid as a new car
Thanks...What all have you replaced to make it new? Anything other than control arm bushings?
Old 04-30-19, 07:53 AM
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billydpowe
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Originally Posted by Hobycat
Thanks...What all have you replaced to make it new? Anything other than control arm bushings?
lower ball joints, lower control arms, strut rod bushings (twice), all tie rod ends, rack and pinion, rotors and ceramic pads (twice), and new under engine splash shield on the front end along with a radiator and two WP&TB kits... have owned it 10 years, love it..
230k miles
Old 04-30-19, 08:33 AM
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Sin1UZFE
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Time and climate are rubber bushings enemy
Old 04-30-19, 09:12 AM
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Hobycat
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Originally Posted by billydpowe
lower ball joints, lower control arms, strut rod bushings (twice), all tie rod ends, rack and pinion, rotors and ceramic pads (twice), and new under engine splash shield on the front end along with a radiator and two WP&TB kits... have owned it 10 years, love it..
230k miles
Wow, maintenance can never be over- understated . I know this may sound a little OCD- once I get the bushings on and front end aligned I plan to bag and zip tie the bushings.
Bad Idea?
Old 04-30-19, 04:02 PM
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Stroock639
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since you'll be down there anyway, i suggest doing the front sway bar bushings

https://www.clublexus.com/forums/ls-...-bushings.html

it's honestly a very easy thing to do with an immediate noticeable improvement in handling, takes like 5 min to swap out the bushings (excluding getting it up in the air and removing the front splash shield)
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