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Joe Banh
Tinkerer
ACT
TT

Posts: 46
Reg: 08-2005

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Tuesday, October 25, 2005 - 04:53 pm, by:  Joe Banh (Jbanh) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have recently come across a Torsen diff from a supra which is no longer working. After looking at the innards, it looks as if the teeth on some of the cogs have broken off. The car was pulling 350rwkw + . I was curious to know whether these things are worth fixing or whether they can even be fixed?
Drew Hiron
Tinkerer
Queensland
Soarer TT

Posts: 13
Reg: 08-2005

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Tuesday, October 25, 2005 - 07:08 pm, by:  Drew Hiron (Frag) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

take it to an engineer works is the simple response. Get a few quotes from them and then ask around for s/h torsens :-)
Todd Williams
Newbie
WA
JZA70 R (BLMQZ)

Posts: 4
Reg: 09-2005

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Sunday, October 30, 2005 - 07:24 pm, by:  Todd Williams (Jza70_r) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

ive got play in my diff, i presume between the crown and pinion. you can feel the drivline is sloppy when potting around in first gear, and ive got a bit of a whine at speed on the highway...
how is this repairable, by adjustment in the diff or by shimming it up ect ect?

thanks.
Mark Paddick
Goo Roo
ACT
Soarer UZZ31

Posts: 832
Reg: 07-2005

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Monday, October 31, 2005 - 10:01 am, by:  Mark Paddick (Sparks) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

If it's a Torsen then get it fixed before any teeth come off and stuff the centre!
Usually it is the crown/pinion/bearings and not the centre that is faulty but if teeth come off they'll cause damage to the centre.
New crown/pinion is around $1100 from Toyota.
Bearings about $400 to $500 fitted and crown/pinion lapped.
If it hasn't done any tooth damage yet then just the new bearings and re-lapping will sort it.
Todd Williams
Tinkerer
WA
JZA70 R (BLMQZ)

Posts: 7
Reg: 09-2005

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Monday, October 31, 2005 - 02:30 pm, by:  Todd Williams (Jza70_r) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

so there is no adjustment to eliminate play between the crown and pinion?
why have i heard of shimming before?
Mark Paddick
Goo Roo
ACT
Soarer UZZ31

Posts: 837
Reg: 07-2005

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Monday, October 31, 2005 - 02:58 pm, by:  Mark Paddick (Sparks) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

That's part of the process of re-lapping the diff.
Todd Williams
Tinkerer
WA
JZA70 R (BLMQZ)

Posts: 8
Reg: 09-2005

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Monday, October 31, 2005 - 03:05 pm, by:  Todd Williams (Jza70_r) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

so if my crown and pinion are fine, and my bearing and torsen centre are fine then ill just be up for labour for relapping the diff then?
Mark Paddick
Goo Roo
ACT
Soarer UZZ31

Posts: 840
Reg: 07-2005

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Monday, October 31, 2005 - 04:10 pm, by:  Mark Paddick (Sparks) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I couldn't find anyone who would do it without replacing the bearings.
Todd Williams
Tinkerer
WA
JZA70 R (BLMQZ)

Posts: 9
Reg: 09-2005

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Monday, October 31, 2005 - 04:22 pm, by:  Todd Williams (Jza70_r) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

damn. ill be keeping the old bearings and hanging them on my wall. must be made of gold or something!
Mark Paddick
Goo Roo
ACT
Soarer UZZ31

Posts: 841
Reg: 07-2005

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Monday, October 31, 2005 - 06:14 pm, by:  Mark Paddick (Sparks) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You can hang 'em next to mine...
My diff had done less than 5000km from new (SC430) and they still inisted on new bearings

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