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Rear hub bushes

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4K views 16 replies 9 participants last post by  gazza82 
#1 ·
Hi All,

I am needing to replace my rear trailing arm bushes and my rear hub bushes (Not the transverse arms). I am going for powerflex. The trailing arm bush looks simple enough but the hub bush seems to have a metal outer insert. Does this need to be pressed in with a hydraulic press?

Thanks,
 
#2 ·
The metal outer will need to be pressed in..... however, the original bush also has a metal outer and if that is still solid in the hub you may get away with keeping that instead (rather than pushing the original metal ring out and pushing a new metal ring in).
 
#3 ·
Hate to disagree with david, but the sections of the bush are bonded together so, I cannot see how they can be split and reassembled.

Regarding the fitting, I used a long bolt and some big washers to draw the new bush into the hole.

I found my old bush had come apart and the metal and rubber where not attached. I used a dremmel to cut out the old metal insert. But equally a hacksaw blade will do the job.

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#6 ·
Hate to disagree with david, but the sections of the bush are bonded together so, I cannot see how they can be split and reassembled.

Regarding the fitting, I used a long bolt and some big washers to draw the new bush into the hole.

I found my old bush had come apart and the metal and rubber where not attached. I used a dremmel to cut out the old metal insert.
He is replacing with Powerflex.
Powerflex are NOT bonded together.
 
#5 ·
The powerflex were easy to fit. Lubricate the hole liberally with some copper grease or silicon as then they side it better. I cleaned up the metal hole with some wet & dry first.

Butcher the old ones .. I cut through the rubber as best I could and then pushed/chiselled it into it split. The outer sleeve was more of a problem and for one I resorted to partly cutting through it with a hacksaw blade. As soon as I managed to get an edge, the small cold chisel did the rest.

Don't do it this weekend unless you garage is cool and shaded! :)

I think there may be something on my old greenserpent site! http://greenserpent.unospace.net/rear/rearbushes.html
 
#10 ·
The powerflex were easy to fit. Lubricate the hole liberally with some copper grease or silicon as then they side it better. I cleaned up the metal hole with some wet & dry first.

Butcher the old ones .. I cut through the rubber as best I could and then pushed/chiselled it into it split. The outer sleeve was more of a problem and for one I resorted to partly cutting through it with a hacksaw blade. As soon as I managed to get an edge, the small cold chisel did the rest.

Don't do it this weekend unless you garage is cool and shaded! :)

I think there may be something on my old greenserpent site! Gazza82's 1998 Alfa Romeo 156 TSpark 2.0
What gazza said. I used his guide, holesaw to ruin old bush, saw to weaken outer race, drift tap to remove. Don't cut into the hub itself!

I used strongflex yellow, easy to fit no races just directly into hub. Use a long bolt, some sturdy washers and lots of grease.

I thought about powerflexing the trailing arm but it's a lot of faff for little/no reward. Buy new ones, birth are OEM quality and are £40 each.
 
#11 ·
Thanks All. I'll see if my vice is up to the job.

I need to do the trailing arm bushes too but have already decided to powerflex these. Why would anyone recomend against this?
 
#12 ·
I didn't Powerflex mine for two reasons. The cost of the bush and the ride. For me the ride is nicer on rubber and the bushes were 12 pounds as opposed to 36. I used febi bilstien.

My dad's GTA has everything Powerflex by AL, and I prefer my setup using rubber. Although I accept I will be changing mine every few years whereas dad's are good for life.


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#13 ·
above.. yes powerflex is 36 quid but only needs doing once not 12 quid plus labour every few years for rubber items.. though i would think they would last a few years longer..

for me I changed so much at once the ride overall is such a massive difference I couldnt tell what effect the bushes alone had but overall it is a massive improvement.. no more crashy horrible ride
 
#14 ·
powerflex rear hub bush fitment

Hi I am about to fit new trailing arm to rear hub "Powerflex" bushes and new arms too. Can the bushes be replaced without removing the brake disc back plate? I don't really want to take this off as the 10mm bolts will probably break as they did at the front wheels. Drill, Tap ,Cut 11mm bolts to length could be avoided if possible.
 
#17 ·
Hi I am about to fit new trailing arm to rear hub "Powerflex" bushes and new arms too. Can the bushes be replaced without removing the brake disc back plate? I don't really want to take this off as the 10mm bolts will probably break as they did at the front wheels. Drill, Tap ,Cut 11mm bolts to length could be avoided if possible.

Trailing arms or transverse arms?

The trailing arms run from the floor pan to the rear hub bolt and will drop without touching the brakes. This has one big rubber bush at the front end.

The transverse are the four running from the rear subframe to the long bolts through the rear hub. It's that long bolt that you will have fun with but I didn't remove the rear brake back plate. But you may also have fun getting the inner ends off too! I did and I was just replacing them with OEM arms.
 
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