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ba diff pull apart 

 

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 Post subject: ba diff pull apart
Posted: Fri Mar 11, 2011 9:43 am 
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I am going to replace the diff bushes in my ba mkll futura sedan. to do this do i need to remove the diff cradle and the diff housing or can it be done a easier way. any help at all will be much appreciated
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 10:13 am 
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If you want to replace all 3 diff bushes, the cradle needs to be dropped. No ifs or buts there.

If it's just the main diff bush, there is a doco on XR6T forums that shows you where to cut a hole in your spare wheel well so you can pull the bolt and bush with the cradle bolted into the car.

Apparently turns a 6 hour job into a 30 min job.
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:02 am 
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cheers. you may be able to help me with the problem. when i take off from a standing start my diff
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:14 am 
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dougy22 wrote:
cheers. you may be able to help me with the problem. when i take off from a standing start my diff

Clunks and vibrates at speed? do the bushes.

 

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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:17 am 
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dougy22 wrote:
cheers. you may be able to help me with the problem. when i take off from a standing start my diff


Yeah... Gonna need a bit more than that. :wink:
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:20 am 
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Sorry have a limit.cos im usin my fone.it clunks twice on take off. main bush or all three ?
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:25 am 
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Most likely the main bush, but can be all of them.

Jack up the back of the car and you can see 2 of them.

The main one at the back. If its cracked and split, it will be very obvious.

The one on the drivers side you will have to partially remove the bolt to see the bush. Just need a 20mm (or 21mm - cant remember) socket to pull the bolt and look behind it. If its cracked as well, assume the passenger one is rooted too.

You cant get to the passenger one as its pressed up against the fuel tank. Hence the requirement to remove the cradle.
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:28 am 
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It doesnt clunk or vib at speed. its a 3.23 lsd if that helps. thou the lsd is loose as
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 11:58 am 
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Could also be the control blade bushes. Depending how many km the cars done, they could be rooted as well.

They control the fore and aft movement of the wheel and can cause banging noises on take off and a general loose feeling in the rear end.

Rooted control blade bushes on my car caused extra axle tramp on take off (which resulted in more clunking and noises) plus vibrations over less than average roads.
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 1:29 pm 
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is it just a clunk and vibrate upto approx 25kmh then all ok???

Mine was the tailshaft itself....

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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 1:36 pm 
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Cheers mate. are the control blade ones hard to do or expensive. and the same goes for the others
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 1:59 pm 
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AU99 wrote:
Mine was the tailshaft itself....


That looks nasty... Did you bottom out and hit something to do that?

dougy22 wrote:
Cheers mate. are the control blade ones hard to do or expensive. and the same goes for the others


Control blade are really easy. 30 mnins per side if you have access to simple tools and a press or vice. I think I paid $120ish for mine.

Diff bushes, I dont know. Ford have and will continue to do them free under warranty for me for the next couple of years. :D
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 Post subject: Re: ba diff pull apart
Posted: Fri Mar 11, 2011 3:49 pm 
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arm79 wrote:
AU99 wrote:
Mine was the tailshaft itself....


That looks nasty... Did you bottom out and hit something to do that?



Nah, the old girl just has a few kays on the clock :D

 

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