MOOG sway bar bushing wore out quick! - JeepForum.com
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Unread 02-26-2015, 07:28 AM   #1
caddydaddy
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2007 WK 
 
Join Date: Dec 2013
Location: Gales Ferry, Connecticut
Posts: 544
MOOG sway bar bushing wore out quick!

I've been hearing these horrible clunks when going over bumps, and I've been trying to figure out what it was. I replaced the sway bar bushings and end links a few thousand miles ago, and that stopped the noise. Then it came back!
Since it sounded like the same noise that was eliminated with replacing the sway bar bushings, I tried to buy a new pair to see if that was the problem. The parts store guy said none were even available in the state, and they he always just wraps the sway bar with duct tape and reinstalls the bushing.
So, I did that last night and the noise is gone! I'm shocked that sway bar bushings would wear out in about 5k miles!
I did notice some pitting on the bar where the bushing sits, so maybe the twisting is grinding down the bushings?

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Unread 02-26-2015, 08:01 AM   #2
ggt1_02
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If the coating on the bar is worn it will wear a new bushing quicker, the bar surface is shot peened not smooth, hence why putting duct tape would alleviate that. It would also help fill the gap is the bushing was not the perfect size. I used to work at a place which tested stabilizer bars to hundreds of thousands of cycles, sometimes the bushings would last the whole test sometimes not. There were times where we had to do things to make the bushing fit properly and stay in place, tape, wedges, clamps etc. We were testing to the maximum stroke though.
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Unread 02-26-2015, 09:03 AM   #3
caddydaddy
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That's interesting to know! So I guess I really shouldn't blame the bushings, since it seems that the pitted sway bar is what wore them down. How long do you think my tape method will last?
You might know, why does a bar mounted inside a rubber bushing make such a loud noise when there's a tiny bit of clearance?
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Unread 02-26-2015, 10:50 PM   #4
TurboDiesel
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front or rear sway bar?

i got a nasty clunk sounds like drivers rear...
wondered if maybe my worn out shocks or maybe bushings...
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Unread 02-26-2015, 11:35 PM   #5
caddydaddy
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Front. I'd replace the sway bar bushings first.
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Unread Yesterday, 06:30 PM   #6
TurboDiesel
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ya ill check them out
cheers
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Unread Today, 08:38 AM   #7
LouC
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What I've been doing is to use a needle adaptor for my grease gun and inject grease between the bushing and the sway bar where ever there's a space. I do this at each oil change and it had stopped the squeaks and noises over speed bumps.
I use the better marine rated grease and it lasts a good while. Still have the OE ones in there and they started squeaking at about 35k miles, now up to 80k miles.
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