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Rear Suspension Metal Clank, Tips on Subframe, Wishbone, Toe and Trailing
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05-24-2019, 07:05 PM | #1 |
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Rear Suspension Metal Clank, Tips on Subframe, Wishbone, Toe and Trailing
Edit: Problem solved, replaced e-brake / parking brake, noise gone.
--------------------------------------------------------------------------- So I have a pretty loud metal clanking noise coming from the rear, and Im starting to replace things. Car has 55k miles, is this a normal mileage to need replacement? Replacing the the Wishbone, Toe and Trailing arms, upper / lower shock mounts, Stabilizer Bar Links in the future if all else fails. I now have access to a lift and any tools, was using jack stands and floor jack before. Can you guys help me match these arms with the respective torque specs? Thanks appreciate any help! 18: TOE ARMS 15: GUIDE?? ARMS? 16: WISHBONE 14: TRAILING ARM?? 17: CONTROL ARM 4: Torque specs? 12: Torque specs? Am i correct? Renewed nuts/bolts. x2 # 12 Hexagon screw with flange M12X1,5X67-10.9 07119906489 x3 # 13 Self-locking collar nut M12X1,5-10 ZNS3 33326760668 x2 # 15 Securing bolt M12X1,5X74-10.9 33306793891 x1 # 16 Eccentric bolt M12X1,5X125 33326764292 x1 # 17 Eccentric flat washer 33306786186 5/31/19 Edit: Parts In:
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2012 BMW 335i E92 2009 BMW 328i E90 Last edited by Demz760; 07-11-2019 at 10:09 PM.. |
05-25-2019, 10:48 AM | #2 |
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I suggest you find what is causing the clunk before you start replacing good parts only to find clunk persist. Those circled in red/blue rarely go bad. Usually is the other end and that bushing is on the spindle. Could be also the quide or tension rods. Or the shock or shock mounts. I doesn't matter if e90 or e92, or 328i or 3335i, they are all the same.
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05-25-2019, 11:25 AM | #3 |
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Two times I've had a rear clank were from the aftermarket dif brace and when one of the rear shock mounts went bad. The inset in the rubber mount failed and it was moving around. Doubt it's from anything you've circled.
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05-26-2019, 01:55 PM | #4 | ||
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Quote:
Quote:
The upper mounts should still be good right? No snow/salt/ 55k miles: http://www.strutmonkey.com/store/p35...Mount_Kit.html Thanks! Edit: Heres what I ordered: ACDELCO - 45F2033 - Knuckle Bushing x2 (not messing with subframe just yet) KYB - SM5767 - Lower Shock Mount Kit x2 MOOG - K160366 - Upper Shock Mount Kit x2 Order Total $102.05 Not bad...
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2012 BMW 335i E92 2009 BMW 328i E90 Last edited by Demz760; 05-29-2019 at 01:49 AM.. |
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05-27-2019, 11:11 PM | #6 | |
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The left side does seem to be worse.
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2012 BMW 335i E92 2009 BMW 328i E90 Last edited by Demz760; 05-27-2019 at 11:51 PM.. |
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05-28-2019, 10:59 AM | #7 |
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05-28-2019, 12:24 PM | #8 |
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05-30-2019, 09:57 PM | #10 |
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The rear sway bar end links look to be in pretty good shape. Most of my parts came in today, still waiting on Upper Shock Mount Kits to be delivered tomorrow.
Ready to throw this car on the lift and get wrenching either late Tomorrow or Saturday morning. 5/31/19 Edit: Parts In: Ready to throw these in tomorrow.
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2012 BMW 335i E92 2009 BMW 328i E90 Last edited by Demz760; 05-31-2019 at 10:30 PM.. |
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06-02-2019, 03:37 PM | #11 |
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Swapped out the parts, noise still there... :/
Ordered Swaybar endlinks express shipping... coming in Tuesday. I hope this is it.
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06-05-2019, 09:31 PM | #12 |
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06-06-2019, 09:24 AM | #13 |
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06-06-2019, 10:02 AM | #14 |
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06-06-2019, 07:38 PM | #15 | |
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I did only the rear links, Subframe bolts were all torqued down, nothing loose. Mounts are done and torqued.
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It happens on bumpy roads, holes. Noticeably after the rear wheels roll over something. Thanks I’ll check out the diff and axles this weekend. Is it possible the rear e-brake could cause a rattle? Last edited by Demz760; 06-06-2019 at 07:51 PM.. |
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06-06-2019, 09:42 PM | #16 |
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I located my clunk by putting car on ramps at rear and got under while another guy bounced rear axle for me. It was a lower attachment to shock. I have M3 lower camber arms with M3 style coil overs. I had the bolt spacers reversed on driver side. The sweetest fix is the free one. I agree with feuer that you should diagnose the problem and stop changing numerous parts.
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06-09-2019, 05:25 AM | #18 |
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06-09-2019, 01:57 PM | #19 | |
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07-11-2019, 10:03 PM | #20 |
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Finally replaced the rear e-brake pads and noise is gone!
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07-23-2019, 05:14 PM | #22 |
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