GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Found a possible cause to clunking on my GS400.

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Old 09-03-09 | 09:28 AM
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Default Found a possible cause to clunking on my GS400.

I took my car down to my wrench to see if we could figure this out. We put it on the lift and started banging everything in sight with a rubber mallet. What we found was that the left front brake caliper slide (pin and bushing) had a ton of play in it. What he did was pack grease in the sleeve and reassembled it. No more clunking for now. Eventually the bracket will have to be replaced when the grease wears away, but for now I am pretty happy. Just thought this might help out some that have the annoying clunks that cannot be identified. Rattle. I had to add that word for people searching that term.

Last edited by omegagavin; 09-03-09 at 07:42 PM.
Old 09-03-09 | 10:25 AM
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Thanks.. I'm sure its been a long time for many of us the re-grease everything in the brakes..
Old 09-03-09 | 12:32 PM
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huh!!! Ive been havinga clunking noise in my front passenger side area, it all started after I changed my breaks? so its the caliper? you wouldnt have any pics of what exactly your talking about?
Old 09-03-09 | 12:43 PM
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Originally Posted by tmf2004
Thanks.. I'm sure its been a long time for many of us the re-grease everything in the brakes..
I always lube my parts . Another good practice is hardware, sometimes including slid pins if they look bad. Yes, I have seen bad slide pins. I always replace brake hardware and lube everything properly. Never had a problem with my brakes.
Old 09-03-09 | 03:10 PM
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Originally Posted by tonysgs300
huh!!! Ive been havinga clunking noise in my front passenger side area, it all started after I changed my breaks? so its the caliper? you wouldnt have any pics of what exactly your talking about?
Sorry, no I don't. I should have taken my camera. It's a cylindrical part about 3/4" in diameter and about 3" long, if I remember correctly, that the allows the brake caliper to slide in and out when you apply the brakes. I doubt you could confuse it with anything else if you took your wheel off to investigate. Hope that helps.
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