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  #41  
Old 03-25-2012, 01:40 PM
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I've had a reasonably successful afternoon. Not as successful as I'd hoped for but I'm pleased with what I've done.

First I removed the rear arm... easy. Just let the air out of the spring, undo all the bolts, support the hub and take the arm off. One of the bolts is also an adjuster for the alignment so at the very least make a note of its position so you can put it back in the same place. It'd be a very good idea to get the alignment checked after doing this job regardless. With the arm off I was able to get a better look at the problem:



Eww. Nasty. The other other bush is still in very good condition though.

I used the normal procedure for removing bushes, that is, carefully cut through the shell and tap it out. I'll emphasis the "careful" aspect here because the suspension arm is aluminium and you don't want to damage it. On the upside though, the shell of the bush is aluminium too, so it's very easy to crush it to get it out. The suspension arm is incredibly light as it's hollow:



And that opening in the arm is very important. IMO that's actually the problem here, the shell of the bush is very soft and had allowed the rubber to "explode" into the arm:



I think the bush would last a hell of a lot longer if it wasn't for that hole. What's done is done though and the new bushes aren't expensive so not a big deal.

Getting the new bush in is a bit tricky though. First it needs to be compressed right down. It starts off much larger than the opening in the arm and compressing it pre-loads the rubber. A few - I used three - Jubilee clips do the job here. Then carefully press the bush in. I did it with a Heath Robinson arrangement in a vice but a hydraulic press would make it a lot easier. I'm going to invest in one before the next job. Remember that the shell is aluminium and hence very easy to distort so just whacking it with a hammer is not going to be a good plan. It took me ages to get the bush all the way in but I managed in the end:



I was running out of time so didn't do the other bush on that arm today. It looks to be in perfectly good condition but while I had everything apart I found that the balljoint is knackered too so the arm's going to be coming off again soon anyway and I'll do it then. Most likely next weekend. I'll do both sides and I'll get the alignment done after that.

Last edited by Sundayjumper; 03-25-2012 at 01:51 PM.
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  #42  
Old 03-25-2012, 02:10 PM
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34933 01 and 34934 01

Just wanted to verify these were the part numbers, I am going to have my part suppliers try and special order these. But I am stuck with them if they are wrong...

And I think I found them on Ebay in the US...
Item number 320509386991
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  #43  
Old 03-25-2012, 03:05 PM
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Guys,
What a relief,because $1000 bucks for Swing arm X2 didn't seem right to me.
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  #44  
Old 03-25-2012, 03:11 PM
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Those part numbers are correct. The ebay link is not

You can double-check on the ZF website if you want to print something off to show your supplier.
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  #45  
Old 03-25-2012, 09:45 PM
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The link to the magic website
WebCat 3
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  #46  
Old 03-25-2012, 10:39 PM
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S-Jumper, cool, great info!
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  #47  
Old 03-26-2012, 10:22 AM
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Good job sandy.
For referance, so that other don't go through all the links here figuring out which is correct and which is not. Please confirm that these are the parts. Thanks.

WebCat 3

WebCat 3
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  #48  
Old 09-24-2012, 06:55 PM
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In case anyone else is looking for these, I found the WebCat 3 links above didn't work to drill all the way down to those particular parts; these should work though.
34933 01 and 34934 01

Has anyone found a source for these in the US? I'm striking out on eBay and elsewhere; all I can find is the same part linked earlier that Sundayjumper says is incorrect. If they're available to purchase through the WebCat 3 website, I'm too dense to see it.


At this point I'm not even sure I need them, but just covering all bases in case replacing the subframe bushings doesn't correct what appears to be a camber issue on the right-rear wheel.

Thanks!
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  #49  
Old 09-25-2012, 03:51 AM
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Quote:
Originally Posted by davintosh View Post
Has anyone found a source for these in the US?
Any ZF dealer should be able to get hold of them, if they want to.

I got mine from this seller so if you can't find anyone local, maybe ask if they can ship to the US ?

Quote:
At this point I'm not even sure I need them, but just covering all bases in case replacing the subframe bushings doesn't correct what appears to be a camber issue on the right-rear wheel.
Replacing the subframe bushes won't alter the camber. It'll cure a clonk when you go quickly on/off the gas though.

If you jack your car up, let the air out of the spring and start pushing and pulling, I'd put money on there being a load of play in the outer ball joint and the rear upper link. Parts #2 & #11 in the diagram on page 1 of this thread. You do need to let the air out to do this though, when it's pressurised there is a lot of load on the suspension and you won't be able to detect any play. That's why my car passed its MOT despite that bush being totally fcuked.

FWIW I've ditched my E53 now as the gearbox was about to die and I couldn't face the cost of a rebuild. Bought a diesel Passat. 60mpg is awesome after getting used to 20mpg in the X5 !
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  #50  
Old 09-25-2012, 11:09 AM
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Ok; that same seller has that item in the US eBay as well (seller poruks, ships from Latvia). One of your earlier comments ("Those part numbers are correct. The ebay link is not") had me confused; didn't understand which comment you were addressing. I do now.

I contacted the guy I usually source parts through yesterday about this; he can usually get anything Lemfoerder/Boge/Sachs, but he came up empty on this one. I guess it's the Latvian source for me as well.

Too bad about your X5; the short lifespan of the automatics & cost to replace makes me glad to have found a manual. Your 60mpg Peugeot does sound good though... Too bad diesels aren't as plentiful on this side of the pond. I've never quite understood the logic behind that, but perhaps that's a topic for a different thread.

Thanks for your help!
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