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10-09-2013, 11:50 AM | #1 |
195
Join Date: Oct 2003
Posts: 24,632
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Noise from rear suspension
Recently, the Boxster's developed a bit of a graunching noise from the left rear when going around tight curves, especially when there's a grade change and a change in suspension loading.
Ideas? Wheel bearing? It comes and goes fairly quickly. |
10-09-2013, 11:58 AM | #2 |
Solving problems
Join Date: Oct 2003
Carmudgeonly Ride: M5 / 718 GTS / Cooper S / GTI / LR4
Location: Metro Boston
Posts: 25,279
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Funny, I've noticed a slight groaning form the left rear on the TT when making left turns. I'll look at it in the spring.
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10-09-2013, 12:04 PM | #3 |
Alphanumeric
Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,587
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A wheel bearing should be close to continuous, no? When my front WB went, it was a near constant minor grind/whine, just volume affected with loading/direction of turn. Doesn't sound like it to me.
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10-09-2013, 12:11 PM | #4 |
•••••••
Join Date: Oct 2003
Carmudgeonly Ride: '11 1M
Location: Churzee
Posts: 17,741
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Flex disc?
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2011 1M |
10-09-2013, 12:15 PM | #5 |
lawn boy
Join Date: Oct 2003
Carmudgeonly Ride: e46m3, f25x3,C5 Z06, C4 Vette, 06 CTD Ram, and a trailer
Location: Maryland
Posts: 14,029
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Suspension/Sway bar bushing, or CV joint.
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10-09-2013, 02:04 PM | #6 |
No more BMWs
Join Date: Apr 2005
Carmudgeonly Ride: Ram, MS3, CX-5, RX-8
Location: Glenwood, MD
Posts: 14,753
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My 330 does something similar - it's the front tire rubbing on the fender liner. The fender liner sags a little bit and the tire hits it when fully compressed.
Sounds awful, happens rarely, causes no harm. If it's a continuous grumbling sound, it's a wheel bearing. |
10-09-2013, 02:26 PM | #7 |
Alphanumeric
Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,587
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Does it depend on which way you turn? More pronounced on RH turns could point to left WB. BTW, I now realize I didn't read the original post properly.
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