Vehicle & Technical > Discovery

Propshaft problems

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Wanderer:
Hi All,

While looking at another problem I had this thought.

If you are getting propshaft vibration after doing a lift it might be that the problem lies here.

Most LR propshaft as originally fitted can have the slider easily removed.
Without any real knowledge it is possible to put the slider back in the wrong position thereby putting the UJs into a position where they are out of phase.

On all of the propshafts I've looked at pre 93 you can slide the slider out and seperate the prop.

When you put the slider back in ( I have this info from a propshaft manufactuer so don't doubt it's validity) it has to line up properly.

If you look at the section of the UJ that's part of the flange there's a small nodule on the casing (raised mound of metal) and this should line up with the missing spline in the longer section of the propshaft.
It is possible to slide the slider in in the wrong position (difficult but possible) which ill leave the ujs out of phase.

Maybe this might help someone along the line if it has been refitted wrong.

I hope it all makes sense.

In my case it looks like a double cardon and TD5 flange which I have on order from the nice man at Devon 4x4. I think his name is Tim something or other.

s.stirley:
Yes, that's definately true .. reminds me I must re-greased all my UJs soon too, will make a note to check if they look in-phase whilst I'm under there ! Cheers

DISCO-CHRIS:
top bloke that tim, supplied me with the same bits last week.
so much nicer to drive now and cd,s don't keep skipping!!

Range Rover Blues:
Took me a while to get my head round 'till I realised the diffs are further out than the transfer box but the front prop uj are in pahse when they are not lined up completely :?   So when you lift yet another reason why it vibrates :roll:

Damonski:
Interesting.. Im thinking about a 2" lift for mine,  ontop of the springs/shocks kit what other almost "hidden" costs are involved in doing the job?

Do all disco's that are lifted need the props changing ?

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