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Old 10-20-2019, 03:44 PM
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Join Date: Aug 2016
Location: Canada
Posts: 174
LightlyToasted is on a distinguished road
help me track down a suspension rattle

This one has me stumped so far. Would welcome any suggestions.


'07 X5 4.8i. Rattling noise from left front when going over sharp bumps or stutter bumps. Rattle only when left wheel hits a bump - no sound when only right wheel hits a bump. To me it sounds similar to rattles from sway bar end links or strut mounts.


Parts replaced recently:
  • sway bar end links: 32K km
  • shocks, spring perches, bump stops: 17K km
  • tension struts: 13K km
  • lower control arms: 10K km
  • inner and outer tie rods: 4K km
  • L upper strut mount: 2K km
Here's what I've done so far:
  • secured L rocker cover, inner mount is solid
  • no play from wheel at 3/9 nor 12/6
  • no play in upper wishbones, bushings are firm
  • no play in any bushing (crowbar) nor ball joint (big jesus pliers)
  • disconnected sway bar end links - noise still there
  • tapped around everywhere with a mallet, including under the hood

I'm going to buy one of those remote microphone kits off Amazon. Any ideas on what I can try next?
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