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  #1  
Old 06-09-2011, 04:33 PM
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What's this noise from the rear wheel area?

1995 E320 Cabriolet at the right rear wheel makes a noise that changes pitch with the speed of the car, but doesn't change sound as you load or unload that side going around curves like a wheel bearing would do. Kind high, metallic sound. If you've ever had a car with wire wheel covers and the spokes were loose, it kinda sounds like that. Or sorta like a lug nut that fell off into the hubcap but not so loud. Took the wheel off and spun the axle by hand but couldn't duplicate the noise, just a little normal rumble or scrape from the pads. The dust shield isn't touching any moving parts either. Any other ideas? Could it still be a wheel bearing?

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Old 06-09-2011, 05:02 PM
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atikovi, pull the rear rotors and inspect the emergency brake mechanism for broken parts. (Be sure the emergency brake is not applied so you can remove the rear rotors.)
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Old 06-09-2011, 05:32 PM
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I checked that and nothing was loose, but the shoes were worn so I'll replace them and see what happens.
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Old 06-09-2011, 07:05 PM
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atikovi, if the emergency brake shoes were so badly worn that the lining was gone then metal-to-metal noise would be noticeable. Have the emergency brake shoes scored the rear rotors?
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Old 06-09-2011, 07:11 PM
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By worn I ment more like the edges were a bit ragged looking, not that the lining was gone.
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Old 06-09-2011, 07:15 PM
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Loose fitting center caps can make a noise like you describe. So can a slightly loose e-brake cable. If the cable is slightly loose it lets the clevis rattle about, especially over bumps.

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