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Simple question about rubber/poly bushing installation by CowsPatoot
Started on: 08-27-2013 03:12 PM
Replies: 12 (294 views)
Last post by: CowsPatoot on 08-28-2013 03:24 AM
CowsPatoot
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Report this Post08-27-2013 03:12 PM Click Here to See the Profile for CowsPatootClick Here to visit CowsPatoot's HomePageSend a Private Message to CowsPatootEdit/Delete MessageReply w/QuoteDirect Link to This Post
Preparing the A-arms for rebuilding the suspension and need to confirm I am doing this correctly...



So...for rubber bushings, that sleeve needs to be pressed out and will be replaced with the new bushing...but for poly, I leave the sleeve in...right?
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jon m
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Report this Post08-27-2013 03:25 PM Click Here to See the Profile for jon mSend a Private Message to jon mEdit/Delete MessageReply w/QuoteDirect Link to This Post
I burnt my old rubber bushes out - the metal sleeve I left in but I used sand paper to remove any traces of the old bushing and then used plenty of teflon greease inside the sleeve and the poly bushes and so far so good no squeeks and great perfomance with new the bushes.

good luck
jon
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CowsPatoot
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Report this Post08-27-2013 03:52 PM Click Here to See the Profile for CowsPatootClick Here to visit CowsPatoot's HomePageSend a Private Message to CowsPatootEdit/Delete MessageReply w/QuoteDirect Link to This Post
Let me re-phrase the question. I am going with rubber bushings....that sleeve gets pressed out, correct? I am about to powdercoat them, and don't want to have to press them out after the powdercoating.
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TONY_C
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Report this Post08-27-2013 03:58 PM Click Here to See the Profile for TONY_CSend a Private Message to TONY_CEdit/Delete MessageReply w/QuoteDirect Link to This Post
I just did my control arms using stock rubber bushings. Yes, the metal sleeve gets removed, the new bushings come with metal sleeve.
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CowsPatoot
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Report this Post08-27-2013 04:12 PM Click Here to See the Profile for CowsPatootClick Here to visit CowsPatoot's HomePageSend a Private Message to CowsPatootEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks for the confirmation... I thought that was the case, but kind of hard to put it back in if I was wrong. Is there an easy way to get them out?
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Lambo nut
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Report this Post08-27-2013 04:47 PM Click Here to See the Profile for Lambo nutSend a Private Message to Lambo nutEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by CowsPatoot:

Preparing the A-arms for rebuilding the suspension and need to confirm I am doing this correctly...



So...for rubber bushings, that sleeve needs to be pressed out and will be replaced with the new bushing...but for poly, I leave the sleeve in...right?


You are correct. The new rubber bushings will have the new outer steel bushing on it you are looking at there in the picture. Be careful as they stick in there pretty good sometimes and try to deform the control arm while pressing them out.

Kevin
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gtoformula
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Report this Post08-27-2013 05:58 PM Click Here to See the Profile for gtoformulaClick Here to Email gtoformulaSend a Private Message to gtoformulaEdit/Delete MessageReply w/QuoteDirect Link to This Post
I cut the old shells out by placing one end of a hacksaw blade through the shell opening and then reattaching the blade to the saw. I then carefully cut through the shell, but stop before I cut into the control arm. It is also necessary to cut the ends of the shell that protrude outside the control arm. You can then squeeze the shell with large channel locks or hit it with a hammer. The cut in the length of the shell will release tension and allow you to easily push it out of the control arm.
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Boostdreamer
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Report this Post08-27-2013 07:32 PM Click Here to See the Profile for BoostdreamerClick Here to Email BoostdreamerSend a Private Message to BoostdreamerEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by jon m:

I burnt my old rubber bushes out - the metal sleeve I left in but I used sand paper to remove any traces of the old bushing and then used plenty of teflon greease inside the sleeve and the poly bushes and so far so good no squeeks and great perfomance with new the bushes.

good luck
jon


I thought greasing the sleeve was a no-no?

I would have done the same thing since it seems like you want the pivot to be as free as possible without slop.


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trotterlg
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Report this Post08-27-2013 07:37 PM Click Here to See the Profile for trotterlgClick Here to Email trotterlgSend a Private Message to trotterlgEdit/Delete MessageReply w/QuoteDirect Link to This Post
Just curious, what did you think the down side was with going poly? It ends up being a lot easier to do and you get a much more stable suspension. Larry
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FlyFieroGT
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Report this Post08-28-2013 12:04 AM Click Here to See the Profile for FlyFieroGTSend a Private Message to FlyFieroGTEdit/Delete MessageReply w/QuoteDirect Link to This Post
1. Stiff ride - Harshness
2. Noise - squeeks
3. pushing in poly in easy- replaceing the complete bushing is more demanding (1988)


For daily drivers on rough roads stick with rubber- ? 99% of all new cars have rubber.

I you have Germany built autobon for roads to drive on, then the poly in the best for handling when you are taking high speed turns. or on race tracks
Young bodies seem to like Stiff rides with extra loud music!!!!

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trotterlg
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Report this Post08-28-2013 12:21 AM Click Here to See the Profile for trotterlgClick Here to Email trotterlgSend a Private Message to trotterlgEdit/Delete MessageReply w/QuoteDirect Link to This Post
For the A arm bushings I don't see any advantage of rubber over poly in smoothness of ride, engine mounts and cradle mounts could be, but the A arms just pivot on the bushings. Just curious, but I will wait for the person who owns the thread to answer. Larry
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Report this Post08-28-2013 01:42 AM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post
Yes, new rubber come w/ new steel parts. See any Moog etc catalog.
You didn't need to remove rubber from shell... Just use right tools. Takes minutes to remove/replace a rubber unit.
See http://www.fiero.nl/forum/Forum2/HTML/125401.html

Note...
Mask the inside of hole where bushing lives. Is a pain to remove after heating. Need heat resist tape...
Why? Bushing Needs metal to metal contact.
Powder coat changes inside diam of hole and can cause problem when installing new bushings.

 
quote
Originally posted by trotterlg:
what did you think the down side was with going poly? It ends up being a lot easier to do and you get a much more stable suspension.

Down side of Polly? FlyFieroGT post is a start... # of threads on PFF and even I'net how to grease Polly... and many more.
A lot easier to do? Again, Just use right tools to use rubber, often available in loaner tools from Autozone etc. You can make tools too.
More stable? Comparing to New rubber? No.

Polly is good in some applications, like cradle bushings. (Areas that parts do not move much.)
Polly often can wear out with no noise in a few months to a few years when used in control arms.

Rubber is Cheap? No. Parts and assembly time to make a rubber bushing cost a lot More that Polly.
OEM use rubber bushings besides people comfort. Rubber protect the car. Requires No maintenance for 10-20 year life. etc.

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CowsPatoot
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Report this Post08-28-2013 03:24 AM Click Here to See the Profile for CowsPatootClick Here to visit CowsPatoot's HomePageSend a Private Message to CowsPatootEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanx for confirming all my suspicions, everyone. Again...easier to double check what I think I know than to fix a mistake. I gave +s to all who didn't already had one.
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