Noises from JimLab Bushings - Report
08-03-04, 10:03 PM
#1
Noises from JimLab Bushings - Report
I installed these bushings about a year ago and about 3000 miles on them. The bushings were installed into control arms on a parts car that had 10,000 miles on it so the ball joints etc were in great shape.
Followed instructions, tapped zerks fittings, torqued everything down, had a raceshop do a real alignment.
The bushings felt great. No noise. This was during winter.
Now it's summer and something, I'm guessing it's the front bushings, is making a huge racket after about 20 miles from a cold start. Sort of like the noise your worn out pickup truck makes as it creaks over speed bumps. Sort of like the noise your sway bar makes as you drive over a speed bump side way. Sort of like a dull clunking but not very sharp clunking. It's loud enough that the parking attendant noticed it. Very very annoying.
I checked the torque on all the bolts. They're fine. I'm pretty sure it's the bushings although I do have to check on the sway bar bushings.
Any one with very high miles on these bushings? Any noises etc.?? Or am I looking at the wrong item?
Followed instructions, tapped zerks fittings, torqued everything down, had a raceshop do a real alignment.
The bushings felt great. No noise. This was during winter.
Now it's summer and something, I'm guessing it's the front bushings, is making a huge racket after about 20 miles from a cold start. Sort of like the noise your worn out pickup truck makes as it creaks over speed bumps. Sort of like the noise your sway bar makes as you drive over a speed bump side way. Sort of like a dull clunking but not very sharp clunking. It's loud enough that the parking attendant noticed it. Very very annoying.
I checked the torque on all the bolts. They're fine. I'm pretty sure it's the bushings although I do have to check on the sway bar bushings.
Any one with very high miles on these bushings? Any noises etc.?? Or am I looking at the wrong item?
Last edited by pomanferrari; 08-03-04 at 10:29 PM.
08-03-04, 10:37 PM
#2
Eats, Sleeps, Dreams Rotary
My mechanic didn't put the Zerks in and after about 200 miles its doing it really bad!
plus with the tighter setup the tops of the perches of my JIC coilovers squeek like a ****...
the best description I have is it sounds like two 300 pound people having sex on a 80 year old box spring!!!!
I plan to trouble shoot it here when the car gets back for a second time from the body shop and I am mucking around the suspension putting in the 99 spec brakes...
plus with the tighter setup the tops of the perches of my JIC coilovers squeek like a ****...
the best description I have is it sounds like two 300 pound people having sex on a 80 year old box spring!!!!
I plan to trouble shoot it here when the car gets back for a second time from the body shop and I am mucking around the suspension putting in the 99 spec brakes...
Last edited by 7racer; 08-03-04 at 10:47 PM.
08-03-04, 10:40 PM
#3
Eats, Sleeps, Dreams Rotary
Oh... we put the car up on a lift and yanked and pulled at everything....the suspension feels tight as hell...
the car has new pillow ***** bushings all around and new rotary extreme toe links and trailing arms...
the car has new pillow ***** bushings all around and new rotary extreme toe links and trailing arms...
Last edited by 7racer; 08-03-04 at 10:47 PM.
08-03-04, 11:58 PM
#6
Originally Posted by Flybye
You haven't mentioned if you have regreased any of them...
Yeah, I did regrease them after 1000 miles. It wasn't necessary as I don't drive in rain 99% of the time. Plus, the second regreasing just made a bigger mess of grease flowing out of the pins for the bushings.
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08-04-04, 07:52 AM
#9
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I was surprised how many noises the stock rubber bushings actually hide. I've been running these for a while now (probably 10k miles) and for the longest time couldn't figure out where all these new noises came from. I had replaced all of the pillow bushings as well. Just a few months ago I replaced toe links with some from RotaryExtreme and that cured the extra noise from the rear. I have noise from the front now and I suspect it's linkage at the sway bar has gotten sloppy.
The only unusual noise I could directly attribute to the bushings have been in the cold of winter they would squeak a little in the rear until things warmed up.
The only unusual noise I could directly attribute to the bushings have been in the cold of winter they would squeak a little in the rear until things warmed up.
08-12-04, 09:40 AM
#11
Super Snuggles
Originally Posted by pomanferrari
A little less noise but it's still noisy: clunking sound as you go over bumps.
If you've got no slop in the inner bushings and no slop in the ball joints because they're in good condition, the rubber bushing in the bottom of the shock is going to be the "weak link" in the front suspension. Before the suspension really starts to move, it's going to compress those bushings. If they're excessively worn, you might hear a clunking sound as a result. The shock bushings in the rear are replaced by the bushing kit, so that would explain why people don't seem to report clunking sounds coming from the rear of the car.
Last edited by jimlab; 08-12-04 at 09:52 AM.
08-12-04, 10:54 AM
#12
Originally Posted by jimlab
How old are your shocks?
If you've got no slop in the inner bushings and no slop in the ball joints because they're in good condition, the rubber bushing in the bottom of the shock is going to be the "weak link" in the front suspension. Before the suspension really starts to move, it's going to compress those bushings. If they're excessively worn, you might hear a clunking sound as a result. The shock bushings in the rear are replaced by the bushing kit, so that would explain why people don't seem to report clunking sounds coming from the rear of the car.
If you've got no slop in the inner bushings and no slop in the ball joints because they're in good condition, the rubber bushing in the bottom of the shock is going to be the "weak link" in the front suspension. Before the suspension really starts to move, it's going to compress those bushings. If they're excessively worn, you might hear a clunking sound as a result. The shock bushings in the rear are replaced by the bushing kit, so that would explain why people don't seem to report clunking sounds coming from the rear of the car.
08-12-04, 11:05 AM
#13
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plus with the tighter setup the tops of the perches of my JIC coilovers squeek like a ****...
the best description I have is it sounds like two 300 pound people having sex on a 80 year old box spring!!!!
the best description I have is it sounds like two 300 pound people having sex on a 80 year old box spring!!!!
08-12-04, 11:24 AM
#14
The weak link here is that the bushings have very little give to them. Since they are so hard if you have the slightest amount of clearance then you'll have noise.
On the 15 running/driving FDs I've had and the other 10 or so I've driven I've never heard shocks clunk.
On the 15 running/driving FDs I've had and the other 10 or so I've driven I've never heard shocks clunk.
08-12-04, 03:23 PM
#15
don't race, don't need to
Originally Posted by pomanferrari
The strangest part is when the weather is cool, 70F or lower there is no clunking sound.
Now THAT's interesting. I have stock Touring, with original everything but tires, 78K on chassis. I get clunking in the front end when it's warm outside, but not when cold. It clunks when I turn the wheel, or when it goes over bumps. Shock bushing, huh? Just thought I'd add a data point on temp related front end clunk from a non-modified suspension...
08-12-04, 03:45 PM
#16
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I just had my Unob. bushings removed due to MAJOR clunking...
At the same time of installation, I had replaced my suspension w/ ground control adj. suspension and eibach springs, and while it was being worked on, I had the shop replace the bushings with the unob.
About a year later, I started having this untraceable clunking in the front suspension - clunked when it braked, clunked when I road on the smoothest roads, clunked on every imperfection on the road - tried white grease - clunk when away for a few miles then came back.
After removing the unob. bushings a few weeks ago (after 4 race shops having looked at it, I could not think of anything else to diagnose - it was a guess), I discovered that the perfectly round centers of the bushing where now oblonged - did not keep the shape. I replaced w/ new stock bushings... NO MORE CLUNKING!!!!!
I thought these unobs. bushings were supposed to be strong - but a quick test by smacking w/ a hammer - in gives...
I have pics I will post if anyone is interested. Just my 2cents.
At the same time of installation, I had replaced my suspension w/ ground control adj. suspension and eibach springs, and while it was being worked on, I had the shop replace the bushings with the unob.
About a year later, I started having this untraceable clunking in the front suspension - clunked when it braked, clunked when I road on the smoothest roads, clunked on every imperfection on the road - tried white grease - clunk when away for a few miles then came back.
After removing the unob. bushings a few weeks ago (after 4 race shops having looked at it, I could not think of anything else to diagnose - it was a guess), I discovered that the perfectly round centers of the bushing where now oblonged - did not keep the shape. I replaced w/ new stock bushings... NO MORE CLUNKING!!!!!
I thought these unobs. bushings were supposed to be strong - but a quick test by smacking w/ a hammer - in gives...
I have pics I will post if anyone is interested. Just my 2cents.
08-12-04, 05:04 PM
#18
Originally Posted by ddr10
I just had my Unob. bushings removed due to MAJOR clunking...
At the same time of installation, I had replaced my suspension w/ ground control adj. suspension and eibach springs, and while it was being worked on, I had the shop replace the bushings with the unob.
About a year later, I started having this untraceable clunking in the front suspension - clunked when it braked, clunked when I road on the smoothest roads, clunked on every imperfection on the road - tried white grease - clunk when away for a few miles then came back.
After removing the unob. bushings a few weeks ago (after 4 race shops having looked at it, I could not think of anything else to diagnose - it was a guess), I discovered that the perfectly round centers of the bushing where now oblonged - did not keep the shape. I replaced w/ new stock bushings... NO MORE CLUNKING!!!!!
I thought these unobs. bushings were supposed to be strong - but a quick test by smacking w/ a hammer - in gives...
I have pics I will post if anyone is interested. Just my 2cents.
At the same time of installation, I had replaced my suspension w/ ground control adj. suspension and eibach springs, and while it was being worked on, I had the shop replace the bushings with the unob.
About a year later, I started having this untraceable clunking in the front suspension - clunked when it braked, clunked when I road on the smoothest roads, clunked on every imperfection on the road - tried white grease - clunk when away for a few miles then came back.
After removing the unob. bushings a few weeks ago (after 4 race shops having looked at it, I could not think of anything else to diagnose - it was a guess), I discovered that the perfectly round centers of the bushing where now oblonged - did not keep the shape. I replaced w/ new stock bushings... NO MORE CLUNKING!!!!!
I thought these unobs. bushings were supposed to be strong - but a quick test by smacking w/ a hammer - in gives...
I have pics I will post if anyone is interested. Just my 2cents.
What did you do after removal of bushings? run the stock bushings or mazda speeds and if so how much was the cost for the front?
08-12-04, 08:56 PM
#20
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I replaced the upper and lower control arm bushings w/ the stock bushings. No more clunking - I paid about $150 for a set from Malloy.
Here are some pics of both sides of the Unob. bushings - upper and lower have the same oblong shape in the center. I hope this helps you guys out.
I have other pics if you guys need more detail, but you can see the deformity in these pics.
Here are some pics of both sides of the Unob. bushings - upper and lower have the same oblong shape in the center. I hope this helps you guys out.
I have other pics if you guys need more detail, but you can see the deformity in these pics.
08-12-04, 09:16 PM
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Interesting. I am having clunking when brakes are applied or I drive on uneven surfaces like grass and can't seem to trace it down. All my suspension is new and tight. Maybe this is the problem.
08-12-04, 09:31 PM
#23
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When I bought my car i was informed that JimLab's Unobtainium bushings were installed. Once summer rolled around I too noticed a very annoying creeking/cracking as the suspension moved around, especially noticeable at slow speeds and in parking lots with windows down. I checked tightness etc. when i first started to look for a solution to the problem and everything was fine. I pulled the front suspension apart and found that all of the steel inserts to the bushings were dry and polished looking in spots. This was the problem, they were just dry. Normal grease just seems to go away rather quickly. I have been using the Energy Suspension Polyurethane Bushing Grease on them. It is a clear or milky foggy clear grease that is extremely sticky. It is actually really nasty stuff that does not come off easily with any type of hand cleaner. This works for about a year, maybe two if your lucky, then you have to take it all apart again and regrease.
08-12-04, 10:17 PM
#24
Originally Posted by ddr10
I replaced the upper and lower control arm bushings w/ the stock bushings. No more clunking - I paid about $150 for a set from Malloy.
Here are some pics of both sides of the Unob. bushings - upper and lower have the same oblong shape in the center. I hope this helps you guys out.
I have other pics if you guys need more detail, but you can see the deformity in these pics.
Here are some pics of both sides of the Unob. bushings - upper and lower have the same oblong shape in the center. I hope this helps you guys out.
I have other pics if you guys need more detail, but you can see the deformity in these pics.
Anybody wants to buy a set of low mileage unobtanium bushings?.
08-12-04, 10:41 PM
#25
If things are moving they need lube, simple as that. Jim's bushings need lube, Jim mentions that in the install instructions. The problem is that there are no lube grooves in the bushing for the lube so it has no where to go the result is squeaky/worn bushings.