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

Rattling Noise driving over bumps low speed

Old 03-17-10, 02:00 PM
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ZeRoSL
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Default Rattling Noise driving over bumps low speed

I am currently in Albany NY and the roads here are terrible, full of potholes and cracked roads.

The other day, the weather was so nice i opened the windows and took a drive around in the suburbs. I heard clunking/clattering noises as i went over bumps or lumps in the road.

The noise as close as i can get in words is Kalunkidunkidunk, It sounds like its in the front right. I rode in passenger side and the drivers side.

I have air suspension and a 1990 ls400.

It sounded similar to when my friend put new shocks/suspension on his suzuki but the springs were put in upside down.

I am guessings its a suspension issue, but since it is air, im not 100% sure what it might be.
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Old 05-27-13, 03:12 PM
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BayAreaLex
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I'm wondering if you ever figured this out?
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Old 05-27-13, 03:53 PM
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diamondave
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I had the same noise about a week ago and i figured mine out. It wound up being the battery hold down. It was loose and i was having problems tightening it so i took it out and the noise was gone. hope this helps
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Old 05-27-13, 04:38 PM
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Defiantly sounds a like worn bushing. Strut rod would be my first guess. Second would be control arm. A professional inspection would be in order to determine what needs replacing. I also had a clunk on rough roads and it was the strut rod bushing.
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Old 05-28-13, 01:28 PM
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3 year old thread bump.

This thread is the usual suspect.
https://www.clublexus.com/forums/ls4...er-thread.html
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