Have i got diff trouble?
Have i got diff trouble?
Author
Discussion

BLUETHUNDER

Original Poster:

7,881 posts

289 months

Sunday 2nd October 2005
quotequote all
Ive noticed that when i throttle off i get a lot of jerking and heavy thumping coming from the back end of the car.Ive had a (rough) check to see if any things loose.The diff bolts seem tight.I havent managed to get a bar in yet and lever on any bushes to see if they are worn.The cars a 96 N reg one of the first with 30,000 on the clock.Any help would be appreciated. Thanks. Mark

budaholic

1,516 posts

264 months

Sunday 2nd October 2005
quotequote all
I had exactly the same thing with mine.... Lift off the throttle and feel a thud in your back.

Mine was top diff mount...... Absolute bd to reach apparently so I let Andy at APM fix mine for me during the last service.

Cured.....

Bud

BLUETHUNDER

Original Poster:

7,881 posts

289 months

Sunday 2nd October 2005
quotequote all
Do you know if the bush in situ? or is it a diff out job?

budaholic

1,516 posts

264 months

Sunday 2nd October 2005
quotequote all
depends....... Andy warned me it could be between 1 and 3 hour job...... to fit an £18 bush.

I think he done mine with the diff in place though.

BLUETHUNDER

Original Poster:

7,881 posts

289 months

Sunday 2nd October 2005
quotequote all
Cheers mate.Thanks for your help.

mad mark

2,345 posts

261 months

Monday 3rd October 2005
quotequote all
I was told that if you remove a rear wheel you can get access to that bush with a long pole, and to use a technicle term 'smash f_ck' out of the bush to remove it.
Not tried it myself, but thats what i was told.

budaholic

1,516 posts

264 months

Monday 3rd October 2005
quotequote all
mad mark said:
I was told that if you remove a rear wheel you can get access to that bush with a long pole, and to use a technicle term 'smash f_ck' out of the bush to remove it.
Not tried it myself, but thats what i was told.


I'd like to see you fit the new one with a long pole....

in true Haynes manual style..... to refit is the reversal of the removal.

davetherave1970

2,144 posts

275 months

Monday 3rd October 2005
quotequote all
Strange. I'm getting this if I put the gas on a little too sharply. I thought diff bush also.
Are there two? Top and bottom as it doesn't do it when I lift off the gas.

Cyclone1

2,614 posts

275 months

Monday 3rd October 2005
quotequote all
There's three bushes, one at the top which is a nightmare to get at, then a nightmare to remove and finally a nightmare to replace. Then there are two other bushes supporting the bottom of the diff. It's a pain of a job, but at the end of the day if it's only the top bush that's gone then it's £18-£40 for the bush (depending on what type you go for) and a few hours replacing it. It's a lot better than having to buy a new diff at over £1k + Vat, and then have it fitted.

seasider

12,728 posts

278 months

Monday 3rd October 2005
quotequote all
If its anything like a Griff its a P.I.T.A. but possible without removal of diff...

Either a long drift and lump hammer for removal of old bush or a void bush tool...

Replace with a Poly bush so can be squeezed in with long bolt & large washers...

www.pistonheads.com/gassing/topic.asp?p=2&f=&t=137182&h=0

davetherave1970

2,144 posts

275 months

Thursday 6th October 2005
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Well here's what my problem was:
Thought the diff bush bracket was loose where it's fixed to the diff plate, then discovered that the bracket itself was cracked and twisted.
Had it changed yesterday and while the diff was off had all three bushes changed.
Here is what the old and the new look like!


foxy4200

119 posts

264 months

Thursday 6th October 2005
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Hughesie2

12,790 posts

311 months

Thursday 6th October 2005
quotequote all
davetherave1970 said:
Well here's what my problem was:
Thought the diff bush bracket was loose where it's fixed to the diff plate, then discovered that the bracket itself was cracked and twisted.
Had it changed yesterday and while the diff was off had all three bushes changed.
Here is what the old and the new look like!




Bloody Hell Dave, no wonder you had a loose rear at the last vmax

davetherave1970

2,144 posts

275 months

Thursday 6th October 2005
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I went to CREAM with the knocking but didn't do the track day, thank god!! Would have made a nasty mess

The loose rear I'm putting down to badly adjusting my nitrons the day before Fun though

>> Edited by davetherave1970 on Thursday 6th October 09:55

si-pen

1,009 posts

266 months

Thursday 6th October 2005
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Blimey Dave, you buggered that one!

I remember you saying at Cream your bushes needed replacing so you was taking it easy, just as well you didn't do the track day!

Si

mad mark

2,345 posts

261 months

Thursday 6th October 2005
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Is there different types of rear set up on the Cerb?
I can't seem to find a plate that looks anything like that on mine!!

Extra 300 Driver

5,282 posts

275 months

Thursday 6th October 2005
quotequote all
How much of a total ass was it to do that job? I think my bush is on its last legs.

davetherave1970

2,144 posts

275 months

Friday 7th October 2005
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Mark, it's on top of the diff. Meets the top diff bush on the chassis.

Nick, Leven did all the work. I watched on tender hooks while they put a hammer to a long metal bar which was used to "tap" the bush through. 1st hammer broke

Diff was removed and all the other bits needed to get it out.

Leven said mine was one of the easy ones, still took 15mins of hard hammering to get it out.

Started at 12 ish and I was driving away at 5. Thats all three bushes changed and a lunch break

Mad Mark

2,345 posts

261 months

Saturday 8th October 2005
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Thanks Dave, for some reason I was looking for something bigger and overlooked that bit.
I think mine may have gone too 'cos I get an occasional loud 'donk' coming from the rear end.

budaholic

1,516 posts

264 months

Saturday 8th October 2005
quotequote all
Mad Mark said:
Thanks Dave, for some reason I was looking for something bigger and overlooked that bit.
I think mine may have gone too 'cos I get an occasional loud 'donk' coming from the rear end.



another excuse to get yoyur hands dirty eh?



>> Edited by budaholic on Saturday 8th October 23:12