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Rattle in front

This is a discussion on Rattle in front within the General Help forums, part of the LSx Technical Help Section category; When I make a slow turn, I get a hard rattling sound up front. Sounds like its coming from the ...

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    Rattle in front

    When I make a slow turn, I get a hard rattling sound up front. Sounds like its coming from the wheel. Jacked it up and shook wheel vertically and horizontally, no sound, all tight. Both sides. Grabbed the caliper thru the wheel and shook it. Very slight play but makes almost the same sound. Will take off front wheels next to check further. Any ideas??

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    Electrical Engineer KMdef9's Avatar
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    Let us know what you find.

    Spin the wheel, forward and back while jacked up and try turning the wheel and spinning the tires. See if that reproduces the noise.

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    Smiles for 9.5 Years cammed goat's Avatar
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    Could be a loose caliper bolt or brake pads are chattering.

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    Member RARON455's Avatar
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    Also, Have a good look at your antiroll bar,, The end links end up disentegrating over time, and leave a metal to metal contact area, that will make the exact noise you are describing, and noticably when turning...

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    Smiles for 9.5 Years cammed goat's Avatar
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    Quote Originally Posted by RARON455 View Post
    Also, Have a good look at your antiroll bar,, The end links end up disentegrating over time, and leave a metal to metal contact area, that will make the exact noise you are describing, and noticably when turning...
    ^^

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    Thanks guys, all good possibilities. I pulled the wheels off today. Caliper tight, pads a little sloppy. Was thinking of doing a disc and pad upgrade to the front. We'll see what that does and same time I'll replace the anti roll bar end links. Can I get those end links in polyurethane? If so, where? I also noticed that the holes in the disc for the lugs are bigger than the diameter of the lugs, is that normal? Again, thanks for all the advise.

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    Electrical Engineer KMdef9's Avatar
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    Could be a bad hub too. When you get the caliber off, put the wheel back and spin away.

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    Electrical Engineer KMdef9's Avatar
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    Quote Originally Posted by cruzincamaro View Post
    Thanks guys, all good possibilities. I pulled the wheels off today. Caliper tight, pads a little sloppy. Was thinking of doing a disc and pad upgrade to the front. We'll see what that does and same time I'll replace the anti roll bar end links. Can I get those end links in polyurethane? If so, where? I also noticed that the holes in the disc for the lugs are bigger than the diameter of the lugs, is that normal? Again, thanks for all the advise.
    They should be slightly, not a lot though. I honestly don't think its a brake issue, you probably would be getting a vibration in the steering wheel with the noise if it was front brake related.

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    Quote Originally Posted by KMdef9 View Post
    They should be slightly, not a lot though. I honestly don't think its a brake issue, you probably would be getting a vibration in the steering wheel with the noise if it was front brake related.
    Good point. I think RARON hit it. Seems like the least expensive way to go first. Went to look at the end links tonite. They look ok but no real harm in going for urethanes. We shall see...

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    Replaced front end links and bar bushing with poly ones. Front rattle is gone. Now there's a rear rattle. New endlinks in back so back to the forum for advise. Most think it's the Torsen rear end. Replacing rear end oil and adding GM ltd slip additive this week end. The hunt goes on..Thanks guys

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    Keep us updated.

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    Drained old rear end oil (RP) flushed out diff, (no metal shavings issues) replaced oil with racing quality oil and oem GM additive. The (marble in a box) noise went down a notch. According to the Torsen website, that may be the nature of the beast. Some do and some don't. Most on the forum say, it shouldn't be a prob, just slightly annoying. I don't race but I do sometime, drive aggressively thru the gears. No full on burn outs......yet. What do you think???

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Check the end links on your sway bar, I recommend MOOG HD replacements.

    When the clips for the front brake pads get over heated, (like when using cheap pads) the clips that hold the pads will move.

    These clips keep the pads from chattering. You can either replace them or bend them so they fit tight again.

    Basicly putting the "spring" back into them.. Good luck
    Last edited by Smittro; 05-31-2012 at 07:47 PM.

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    Thanks Steven, yep, I already replaced the rear end links with the product you suggested and the front now has Energy Susp'sion poly bushings and end links. The rattle can be heard even when the car is cold, like less than 5 miles of driving, but I will give those pad clips a look..

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