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Diff Centre Removal/Installation 

 

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 Post subject: Diff Centre Removal/Installation
Posted: Thu Jan 28, 2010 12:59 pm 
Tyre Shredder
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Hi All,

I am currently looking at a diff on ebay thats missing the centre. I dont know a great deal about diffs and the ins and out of how they work so my question is if i purchase the diff will i be able to install the diff centre myself or is there too mucg involved? Also am i right in saying its not the centre that determines the ratio?
Cheers Dan
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 Post subject: Re: Diff Centre Removal/Installation
Posted: Thu Jan 28, 2010 6:56 pm 
Getting Side Ways
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it's a fairly involved job. remove wheels, brakes, axles, diff cover etc

the crown wheel and pinion gear determine the ratio

you need a diff spreader to re-install the centre

 

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 Post subject: Re: Diff Centre Removal/Installation
Posted: Thu Jan 28, 2010 9:00 pm 
Getting Side Ways
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You also need specialist gear and knowledge on how to set the required backlash between the pinion and crown wheel etc.

I have attempted just about everything you can think of in modding a car in my driveway, but the one thing I paid a professional to do was rebuild my diff.

I have heard quite a few stories of people doing work on their diffs, getting it bolted together, only to have a whiny/noisy diff one month later.

It will cost upwards of $700 to have a diff assembled with new bearings etc, but you should get some quotes.

Cheers
BenJ

 

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 Post subject: Re: Diff Centre Removal/Installation
Posted: Thu Jan 28, 2010 10:28 pm 
Technical Contributor
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The crownwheel and it's pinion should be kept together, IIRC they are machined and marked that way.

 

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 Post subject: Re: Diff Centre Removal/Installation
Posted: Fri Jan 29, 2010 10:21 am 
Tyre Shredder
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Location: Bendigo
VIC, Australia

right i was afraid of that. thanks for the feedback anyway, looks like im hunting for a complete diff.
Cheers Dan
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