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#1
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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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#2
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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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Fred Hoelzle |
#3
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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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#4
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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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Fred Hoelzle |
#5
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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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#6
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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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90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff |
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