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Old 06-22-2003, 22:06   #1 (permalink)
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How do I get the centre out of a diff?

Hi,

I begun pulling apart an old 2.77 LSD I bought off Jack. So far its in the garage on a couple of rings of wood with the back cover off and axles removed. Ive also removed the 4 bolts and the bearing caps (?). The diff centre seems pretty solid in there is there anything else Im missing or will i need to get forceful?
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Old 06-22-2003, 22:14   #2 (permalink)
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Re: How do I get the centre out of a diff?

Did you undo the nut from the pinion flange side, its in the middle of it.

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Old 06-22-2003, 22:16   #3 (permalink)
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Re: How do I get the centre out of a diff?

No I didn't. Ill go do that now.
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Old 06-22-2003, 22:16   #4 (permalink)
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Re: How do I get the centre out of a diff?

After you get the nut off, use a suitable puller to remove the pinion flange.

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Old 06-22-2003, 22:30   #5 (permalink)
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The flange was pretty loose and I dont have a puller anyway. I took it off and then put the nut back on and used a peice of wood and hammer to knock the centre out.
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Old 06-22-2003, 22:35   #6 (permalink)
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Re: How do I get the centre out of a diff?

Well I have my gregorys on my desk today, so ask questions before I take it home at 5.30 :0)

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Old 06-22-2003, 22:40   #7 (permalink)
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Re: How do I get the centre out of a diff?

Well a few questions, It looms like the gear set can be unbolted and I assume the LSD bit is the big block of steel? I have a 3.23 single spinner diff so can I use the 2.77 axles centre and take all the bits to a diff builder and get a 3.23 assembled? The LSD itself seems pretty tight as I couldnt get it to break free with a torque wrench and all my body weight on the end of it. Probably from its easy life under Jacks EA ghia
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Old 06-22-2003, 22:59   #8 (permalink)
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Re: How do I get the centre out of a diff?

Well the centres look basically the same in the book, but after you undo the caps, you will have to have removed the axles to get it all out, then it seems maybe by knowing how one or the other is to look you could spot it, but other wise the lsd has thrust springs in the middle of it, the non lsd doesnt.

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Old 06-23-2003, 04:02   #9 (permalink)
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Re: How do I get the centre out of a diff?

a) You use tyre levers to remove the hemisphere before you touch the pinion nut.
b) You have to mark the bearings caps as they should not be reversed.
c) You cannot fit 3.23 gears on a 2.77 centre, the offset is different.
d) What car is it going into? EB on have 28 spline axles, EA should be 25 spline, a backward step.
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Old 06-23-2003, 04:05   #10 (permalink)
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Thanks for that WBT56, I pulled the diff apart for the hell of it really hoping that i could do something with the 3.23 non lsd i already have in the ea (and was from an ea)
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