Vehicle & Technical > Discovery

HELP! Need to put Disco back together, think prop is wrong..

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Iain C:
My Disco has munched a gearbox end front propshaft bearing within about 5000 miles, not good.  So I've taken it off, and it's sat on the bench.  At no point have I slid the splines apart so the orientation of the yokes is the same as when I bought it.

Trouble is, I've convinced myself the yokes are 45 degrees out.  I was convinced that for a UJ to work properly, the yokes must be a 0 and 90 degrees, not 0 and 45.  In effect, one spider is in "cross of St George" configuration whilst the other is "cross of St Andrew".

Is this right?  Please help as I can't put the truck back together until I know!  I'm trying to search the web for front prop pics but no joy so far!

Thanks ever so much!

Big Rich:
I've never slid mine apart but I would guess they will only go in one way. The pto shaft's on tractors will only fit in one way.

The picture I looked at in the rimmer bros catalog shows the propshaft with both uj's at the same angle though.

Rich

Iain C:
Hmmm, I think they will go in any way, however I found a pic from Island 4x4 on ebay and it matches mine...

http://cgi.ebay.co.uk/LANDROVER-DISCOVERY-1-89-98-TDI-FRONT-PROPSHAFT-NEW_W0QQitemZ150134476412QQihZ005QQcategoryZ31348QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

But then I've found a pic of a custom shaft and both yokes are in the same same plane, ie both at 0 degrees...

Iain C:
D'oh!

Forgot I have the LR workshop manual (enormous file!) on my laptop, and they are indeed deliberatly "out" by 45 degrees...

Phew!  Back under the truck we go then!!

Thanks all!!! :)

Big Rich:
My spare prop in my grage matches yours. Thinking about it it may not matter how the uj's apr possitioned.

Rich

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