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Author Topic: Rear Donuts  (Read 1078 times)

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Proz

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Rear Donuts
« on: 23 March 2011, 10:32:23 »

Im planning to attempt to change mine at the weekend as i have the creeking noise from the rear ....ooo errr ;D

Now looking at the very helpfull guide here http://www.omegaowners.com/forum/YaBB.pl?num=1250299501 i see there is a couple of flat discs that cushion the arm / chassis .
My bushes didnt come with these so should i get these as well or should mine have come with them ?
Thanks  :y
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feeutfo

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Re: Rear Donuts
« Reply #1 on: 23 March 2011, 11:20:40 »

Nope, no nead. In fact dont even drop the sub frame arm, get all the cars weight holding the arm on the jack, remove bolts, plate, check orientation, remove bush(with baring puller/claw hammer/crow bar, what ever works) then fit the new bush, belt the new one in with a hammer or jack it in, pull it in the last 5 mill with centre bolt and belt with hammer on the rim again, re assemble, job done.

Note, if the subframe arm drops or moves it can be a real pig to get the bolts back in, hence no need to disturb the rubber pad, they font ware anyway .

Hth.
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Proz

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Re: Rear Donuts
« Reply #2 on: 23 March 2011, 11:31:36 »

Quote
Nope, no nead. In fact dont even drop the sub frame arm, get all the cars weight holding the arm on the jack, remove bolts, plate, check orientation, remove bush(with baring puller/claw hammer/crow bar, what ever works) then fit the new bush, belt the new one in with a hammer or jack it in, pull it in the last 5 mill with centre bolt and belt with hammer on the rim again, re assemble, job done.

Note, if the subframe arm drops or moves it can be a real pig to get the bolts back in, hence no need to disturb the rubber pad, they font ware anyway .

Hth.

Ok thanks for that ... not looking forwards to it  :-/ :y
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Richgm

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Re: Rear Donuts
« Reply #3 on: 23 March 2011, 12:32:17 »

Quote

Ok thanks for that ... not looking forwards to it  :-/ :y

To be honest it's not a bad job. When I did mine, one bush came out easy the other one put up a bit of a fight. Like Chris said. Just use whatever means you have to get them out.
Just remember to make sure the car is well supported when you start levering and hammering and you'll be fine. :y

Rich
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amba

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Re: Rear Donuts
« Reply #4 on: 23 March 2011, 14:45:32 »

Totally agree.

Did mine a few weeks back now ,and I wasn,t looking forward to it either.Had visions of a car half done and no way of fixing it without professional help.

In truth it is quite straight forward.I did one side at a time.Got jack under triangular plate and lifted car as high as 2nd hole on axle stands.Then positioned axle stand on peice of cross member at side of triangular plate and put square block of wood in valley on top of stand .Gently lowered car off jack to ensure all was clear from triangular plate.For extra saftey and peice of mind I also fitted a second axle stand just in front of first.

Gave all fixing bolts a good spray with plusgas and had a cuppa tea.After about half hour returned and all fixing bolts came out without much effort and removed triangular plate to reveal the donut bush.

I found the best tool for removal was a large flat bladed screw driver which I could hammer in around the edge and it would slightly bite into the rubber.Then give it a good pull down ..and then hold it until you could feel it move.It seemed like the rubber moved better with a bit of retained pressure as apposed to direct leverage(if that makes sense).Once it has started to move you become encouraged and it is then just a matter of brute force to continue the levering out.

Once removed it all becomes very obvious what the bush looks like and should hopefully be in a pretty knackered state..mine were,nt as bad as had expected and I think they were originals.1998 and 170k so they hadn,t done bad really.

Make sure you fit the new ones in the correct way,as per the guide by Chrisgixer.When I checked mine one was fitted in the correct orientation as per advise and the other was totally different,so my advise is to refit them as per the guide not as they were originally.

Bit of spit and then push them in as far as possible by hand..which won,t be far...then I found a small trolley jack with a wooden block and just keep applying a pumping action does get them moving quite well.Final positioning is best done with the triangular plate reversed and the center bolt inserted and tightened.That does push them in nicely and as far as will go,turn the plate around and refit it in its correct and final position.

I was very worried about the bolt holes all re aligning as had read it may be necessary to drive the car against a wheel choke to get it all to line-up.In truth this was not required and the only slight difficulty bit I had on that side was corrected when first getting the large centre bolt through the triangular plate when pushing the bush back in.I just put the trolley jack under the floating arm and gave it a slight pump up and release and it corrected its self,so this was really an area I was worried about un-necessarily.

I would honestly say it was a fairly simple job..took me about 2 hours to do 1 side and considerably less to do the other..Just make sure you have all the bits and tools required/a decent trolley jack and stands/some plusgas penetrating spray and you will be fine I am sure.

Plus side of the work  is no more groaning from the rear suspension and the back does seem to be more stable.
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