Easiest way of replacing diff bushes

Easiest way of replacing diff bushes

Author
Discussion

michielp

Original Poster:

95 posts

180 months

Wednesday 22nd November 2017
quotequote all
Hi all,

My top diff bush is shot, need to replace it but do not want to remove all the bits.
Is there any way to do this with all items in place?

Michiel

N7GTX

7,878 posts

144 months

Wednesday 22nd November 2017
quotequote all
I have not done this but a recent post said that you could cut a hole in the floor above the diff to get relatively easy access. scratchchin

phazed

21,844 posts

205 months

Wednesday 22nd November 2017
quotequote all
This would help but you still need to remove the diff.

The whole procedure is a pita!

Doable but best done on a ramp with plenty of tools available.

Andav469

958 posts

138 months

Wednesday 22nd November 2017
quotequote all
michielp said:
Hi all,

My top diff bush is shot, need to replace it but do not want to remove all the bits.
Is there any way to do this with all items in place?

Michiel
Yes it can be done in situ and on axle stands, I did mine 2 years ago and is easily the worst job I’ve ever done on a car lol.

I got a small blowtorch and burned out the rubber, then used a hacksaw blade to cut through the bush outer casing, then some studding and sockets pulled the casing out of the chassis.

The whole job took me the best part of a day to complete, I then fitted poly bushes.


phazed

21,844 posts

205 months

Wednesday 22nd November 2017
quotequote all
The diff will still have to come out.

Andav469

958 posts

138 months

Wednesday 22nd November 2017
quotequote all
phazed said:
The diff will still have to come out.
Why, the bushes can be replaced with the diff in situ

phazed

21,844 posts

205 months

Wednesday 22nd November 2017
quotequote all
Even the top one?

jazzdude

900 posts

153 months

Thursday 23rd November 2017
quotequote all
I dropped my diff to change the bushes, but then I also had taken out everything else it was connected to, on axle stands.

Lying under the car and dropping the diff onto my chest was interesting, especially as you had to twist it first. Even with everything out and the chassis dropped six inches, it still was a nightmare getting that bush out.

I have seen threads where people take them out with long extensions and various bush pullers but I think this is one job I would happily give to someone else to do next time.

Engineer1949

1,423 posts

145 months

Thursday 23rd November 2017
quotequote all
take it from me the only confident way especially if replacing with original is to take it out, its not that bad just do it methodically drive shafts prop shaft top mount then front mounts as already said twist and lower i find getting the car up about 2 foot and using a good crawler is the way to go dont like doing them or gearboxes on lifts to far to drop them.


john

Classic Chim

12,424 posts

150 months

Thursday 23rd November 2017
quotequote all
Two post lift with a gearbox support is a doddle but as John rightly mentions iffy on your own, defo a two man operation to be safe doing it that way.
I’d say it’s just easier all round to remove it. If your doing the top bush then you might as well do the two side mounts and if that’s the case you’ll probably want to re paint / powdercoat the brackets as they are likely to be rusty while your there. You can also paint your diff whilst it’s out which looks the biz when it’s all back in.














Edited by Classic Chim on Thursday 23 November 17:13

phazed

21,844 posts

205 months

Thursday 23rd November 2017
quotequote all
What paint did you use Alun? As you know, I have mine to fit so might as well tart it up now!

Andav469

958 posts

138 months

Thursday 23rd November 2017
quotequote all
phazed said:
Even the top one?
Yes, I described how I did mine in situ above, terrible job though

Classic Chim

12,424 posts

150 months

Thursday 23rd November 2017
quotequote all
phazed said:
What paint did you use Alun? As you know, I have mine to fit so might as well tart it up now!
Just a simple can of Matt black exhaust paint I think! Just washed the Diff down with petrol dowsed rag first.
Let me know when your doing it and I’ll try and come down for an evening, see if we can get Anthony down,, it’s seriously my turn to turn him onto some nice quality red wine. wink
I’d like to do it again so I remember how to, FS


Edited by Classic Chim on Thursday 23 November 19:40