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

Clunk when breaks are depressed

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Old 07-16-03, 02:02 PM
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stoughton910
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Default Clunk when breaks are depressed

I have a 91 ls 400

When going at low speeds and brake, I sometimes hear a clunk coming from the front end. I dont think it is the brakes, it seems to only happen when the car leans forward after I brake. I have air shocks. I think it might be one of the ball joints. They have never been replace, and last time I had it at the Lexus dealer they said that they needed replaced soon. I dont know how much stock I put in this since this is right after they told me 1500 to replace the calipers ( I did it for 120 with rebuilt ones). Anybody have any other Ideas.
Ill get an auto mechanic to look at it if I dont figure it out soon.
Old 07-16-03, 09:00 PM
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meZoom!
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am i reading this correctly?

dealer told you to get new calipers some time ago?


anyway, does your clunk noise come on particularly after starting the car up?
Old 07-17-03, 06:08 AM
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stoughton910
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Yes, but I replaced them-just for 1400 less then they quoted me.

And yes, it is most common right after I start up.
Old 07-17-03, 07:38 AM
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Lexs400
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stoughton,
I'm curious. how did you manage to replace four callipers including labor, even if they were rebuit, for $120 ?
I ask that becuase I have to replace them too and it would be nice to save 1500 if i could
Old 07-17-03, 10:30 AM
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Default Re: Clunk when breaks are depressed

Originally posted by stoughton910
I have a 91 ls 400

When going at low speeds and brake, I sometimes hear a clunk coming from the front end. I dont think it is the brakes, it seems to only happen when the car leans forward after I brake. I have air shocks. I think it might be one of the ball joints. They have never been replace, and last time I had it at the Lexus dealer they said that they needed replaced soon. I dont know how much stock I put in this since this is right after they told me 1500 to replace the calipers ( I did it for 120 with rebuilt ones). Anybody have any other Ideas.
Ill get an auto mechanic to look at it if I dont figure it out soon.

It could be either of two things:
1. Brakes - only make that noise the first time you reverce direction
2. Strut bars - more likely in your case. These are the pieces that hold the front spndels from moving when you break. They are around $75 each from a dealer. There is none in aftermarket.
Hope this helps.
Old 07-18-03, 01:22 PM
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stoughton910
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I replaced the calipers myself. Advanced auto body had the best prices for rebuilt ones that I found. They came with break pads, but not shims so take the shims off the old ones. Its not to hard to replace them.
Jared
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