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Installing poly/delrin bushings in alu control arms

 
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ideola  



Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI

PostPosted: Mon May 11, 2009 11:04 am    Post subject: Installing poly/delrin bushings in alu control arms Reply with quote

I'm planning to get started on my suspension rebuild this week. I already have the old rubber bushings removed, but in order to install the poly / delrin bushings, I need to also remove the two-piece metal sleeves that are pressed into the front a-arms and rear control arms (both late offset aluminum versions). I read some instructions on Clarks Garage that said to drive them out with a drift, but when I tried to do it, it just seems to chew up the sleeve, and doesn't actually move it out at all. Is there anyway to do this at home, or am I going to need to take this somewhere and have them pressed out?
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huckster  



Joined: 22 Dec 2006
Posts: 115
Location: Burnaby B.C.

PostPosted: Mon May 11, 2009 1:10 pm    Post subject: Reply with quote

If you have a big vise and C clamps and an assortment of sockets you can usually rig something up.
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bass gt  



Joined: 02 Dec 2004
Posts: 971
Location: Johannesburg for now!!

PostPosted: Mon May 11, 2009 5:48 pm    Post subject: Reply with quote

Dan,

It might be better to visit a local mechanic who's armed with a 5-10 ton press. Find a socket that will slip inside the Alu body but mate with the top of the metal bush. After all this time, those things will be well stuck in, so better to remove witha hydraulic press than risk damage to the alu castings.
And when you fit yhe new bushes, apply LOTS of coppaslip. Makes life much nicer

Steve
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Rich H  



Joined: 10 Jun 2007
Posts: 2665
Location: Preston, Lancs, UK

PostPosted: Mon May 11, 2009 5:51 pm    Post subject: Reply with quote

Other options are get it all hot and try again.
Alternatively put a hacksaw blade in the bush and cut it through, then drift it out.

That said I'm not familiar with those particular bits...
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ideola  



Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI

PostPosted: Mon May 11, 2009 10:15 pm    Post subject: Reply with quote

A handful guys on rennlist recommended the hacksaw approach, I think I'm going to try that. Thanks guys!
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ideola  



Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI

PostPosted: Tue May 12, 2009 6:39 am    Post subject: Reply with quote

The hacksaw method worked beautiful. The technique, as described to me on Rennlist, is to carefully cut a slot in the metal sleeves using a hacksaw (you have to take it apart and reassemble it through the control arm bushing hole). Once the main slot is cut, then remove the hacksaw, and cut a matching slot in the flanged face of the sleeve. Now get a drift and a hammer and smack the snot out of the sleeve (of course, being careful not to damage the alu arm) until it breaks along the slot, and forms kind of like a G shape. Once you have this done, you can take an appropriate sized socket and drive the one half out very easily. On the second half, you can continue to cut it if you want, or you can just get the next sized socket and drive it out. This technique worked for both A-arms and rear trailing arms. Took me about 1 hour for the first one. I got the other three done in the next hour.

Now to get the rear trailing arm wheel bearing races removed This is gonna be fun.
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