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Chirping Noise From Rear
mclaughh
post Jun 11 2010, 11:12 PM
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What's up guys? I'm pretty new here, been lurking for a few weeks. Anyway...yesterday I started noticing a faint chirping noise coming from the rear of my '03 z71. A chirp is the best way I can think to describe it, not really a squeak. It's not really noticeable but if I drive next to a wall or a long row of trees it gets loud due to the reverberation. It happens over even the smallest of bumps/uneven parts of the road. Actually come to think of it, it doesn't even happen when I go over big speed bumps. My first non-expert thought was maybe it was the shocks but when I stand on the bumper and bounce up and down there is no noise, I can't replicate it. I bought it a few weeks ago with 105k on it so I'm not sure what all needs to be replaced...drives good though.
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johnnyleo11
post Jun 13 2010, 06:05 PM
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Dunno, but welcome.


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SteveWCJ
post Jun 13 2010, 07:17 PM
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check Stabilizer end links..... or.....the torsion bar crossmember bushings....I just replaced my bushings , was getting a chirping noise that i couldnt quite pinpoint....Went under w/ a prybar and checked the bushings- found both torn!!


Just my 2cents!

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WhiteAndGoldZ71
post Jun 13 2010, 10:58 PM
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rear wheel bearings maybe?


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JimB204
post Jun 13 2010, 11:03 PM
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could just be brake pads wearing down?


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WhiteAndGoldZ71
post Jun 13 2010, 11:19 PM
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or the parking brake... that gave me trouble so i just took the thing out

This post has been edited by WhiteAndGoldZ71: Jun 14 2010, 07:57 AM


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mclaughh
post Jun 14 2010, 07:34 AM
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QUOTE (JimB204 @ Jun 14 2010, 01:03 AM) *
could just be brake pads wearing down?


It doesn't happen when I brake.
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sinistar
post Jun 14 2010, 08:31 AM
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I think I have this same issue. notice it with the windows down, heard coming from right -rear. sound is definitely reverberating off nearby objects and only heard with slower city driving. however, i'd describe it as slightly more of a light "clanging" or rattle.


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Scott
post Jun 14 2010, 08:45 AM
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If the sound is reciprocal, meaning it increases and decrease with speed, and isn't necessarily tied to the suspension (road imperfections), it could be the u-joints.


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mclaughh
post Jun 14 2010, 09:06 PM
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QUOTE (Scott @ Jun 14 2010, 10:45 AM) *
If the sound is reciprocal, meaning it increases and decrease with speed, and isn't necessarily tied to the suspension (road imperfections), it could be the u-joints.


Thanks for the replies guys, I guess I'll just have to take it somewhere because I don't know enough about this stuff. Another thing I've noticed is it NEVER makes the noise when I am turning to the right. I could be making either a slight right or a hard right and there will be no noise. Once i straighten back out or am making a left turn it will make the noise. Not sure what this means...I also did use the parking break recently so I would like to check that out as W&G suggested. What should I be looking for as far as that is concerned?
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swtz71
post Jun 14 2010, 09:11 PM
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QUOTE (mclaughh @ Jun 14 2010, 11:06 PM) *
QUOTE (Scott @ Jun 14 2010, 10:45 AM) *
If the sound is reciprocal, meaning it increases and decrease with speed, and isn't necessarily tied to the suspension (road imperfections), it could be the u-joints.


Thanks for the replies guys, I guess I'll just have to take it somewhere because I don't know enough about this stuff. Another thing I've noticed is it NEVER makes the noise when I am turning to the right. I could be making either a slight right or a hard right and there will be no noise. Once i straighten back out or am making a left turn it will make the noise. Not sure what this means...I also did use the parking break recently so I would like to check that out as W&G suggested. What should I be looking for as far as that is concerned?


The ebrake shoes actually detach from the part, so that might be your noise. I have the same noise but only when I turn right but I know the shoes are no good.


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