Quaife LSD in Corse I

[hollytree]

You pop the LH flange out before you remove the diff from the gearbox. It is retained by a wire type circlip that you cannot see. you need to use a small pry bar between the flange and the diff casing to apply some pressure and then either tap the flange with a nylon hammer to release it. If this doesn't work you may need to apply pressure on opposite sides but it should release relatively easily.

The old diff is out.
There is definitely a circlip there holding it all together. I will try and pick that out and then apply some slight force.
I dont want to force it or try the slide hammer route, the circlip is there!

[NoCorseChris]

Is it a square or round section clip? The stock part is a round section spring clip, that is slightly oversized. When inserted, it compresses down on the chamfer and slides into the splines, then when fully home, just pops out the other side, expanding again. This is what retains the flange in place in use. Removal is normally as Craig et al have said, apply some outward force, the clip compresses back and allows the flange to slide out. They can feel quite tight sometimes.

If it is a square section, then yes indeed, it’ll need removing first, but it would be non standard if it was.

[hollytree]

Craig/Chris
Thanks for the advice. Box was new.
So, clamped the crownwheel in vice (with jaw protectors). Got pry bar between flange and collar. Gave the end of the driveshaft a soft tap and bingo!
It all then slid straight out.

I left the circlip on and pushed driveshaft into new diff. Is that right?

I bolted the Quaife to the deeper dished side of the crownwheel - I am now just doubting myself. Is that right?

Thanks
Steve

[Strat Fan]

I left the circlip on and pushed driveshaft into new diff. Is that right?

I bolted the Quaife to the deeper dished side of the crownwheel - I am now just doubting myself. Is that right?

By driveshaft I assume you mean output shaft?
This is the last thing to go back in once the diff is fitted back into the car. It is comparable to the intermediate shaft on the other side of the diff, it is only in the way until the diff housing is back in the car.
1) fit crown wheel to diff
2) bearings onto diff
3) diff back into housing
4) diff casing on
5) bearing shims positioned
6) output flange seal castings bolted on
7) end float checked
8) bolts torqued
9) output shaft refitted
10) intermediate shaft refitted

[hollytree]

Craig
Thanks
Do bolts go from shallower dish side of crownwheel with diff sitting on deeper dish side
OR
Do bolts go from deeper dish side of crownwheel with diff sitting on shallower dish side

[Strat Fan]

A couple of images from Alfa Workshop- https://www.alfaworkshop.co.uk/156-1...erential.shtml

[hollytree]

Chris/Craig
Thanks for all you help.
2 new CVs both sides
2 new wheel bearings both sides
Quaife LSD fitted

All quiet now, no noises or bangs.
Hooray

See you all at Silveerstone if not before.