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Knocking/creaking sound after suspension/gear install

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Old 04-19-2012, 07:52 AM   #31
Jazzer The Cat
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The poly bushing can bind up a bit, via torquing while not back under load. I am thinking ovaled holes as the most likely scenario without getting under the car myself and push/pulling everything.
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Old 04-19-2012, 07:54 PM   #32
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Originally Posted by Syracuse315 View Post
Makes sense, that's the whole reason to go with them. Does it matter if the suspension is loaded when the thru-bolt is torqued?
If you're asking whether or not the axle side LCA bolt should be torqued under load, I'd say yes. (but that's not the cause of the problem you're having)

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Old 04-23-2012, 10:41 AM   #33
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Got underneath the car, but the bolt head (on the interior side of the LCA) looks impossible to measure without putting it on a lift/dropping the exhaust.

Here are some pictures of the areas I could get at. Not sure if I see any "ovaling" from the 2nd picture. The white stuff is the spray-able grease.

This was a 22mm nut:
Click the image to open in full size.

From right underneath the LCA:
Click the image to open in full size.
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Old 07-09-2012, 10:34 PM   #34
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Just to follow up, as it appears from the pictures above, the thru-bolt and surrounding areas are not oval-ed out. Also, the bolts are tightened down correctly.

Slowly but surely, the noise has faded away. I'll try every once and awhile to listen for it while driving, but it's MAYBE 5% of the total noise before. Looks like something had to wear in slightly, just not sure what it is. Any ideas? Do the spherical bearings need to "seat" at all, or maybe the grease slowly got into the spaces of the bearing?
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Old 07-09-2012, 10:34 PM
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00, 373, 94, florida, gear, install, knock, mustang, noise, rattling, rear, slowing, south, suspenion, suspension, swap, syspension

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