Front prop shaft

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erm - are Land rover wrong then?

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they arent 90 degrees ,2 splines


wot?
I am confused - No - they are out of alignment - but then they arent "in line" as yu previously stated that should be - they are "phased" or "mis-aligned" or "out of alignment". I didnt state they should be out of alignment by 90 degrees, or for that matter any set amount of mis-alignment, only that some are mis-aligned and some may be in-line. I think that page from Rave quite clearly shows, and states, that some Propshafts (in this case a Disco or RRC) should not be aligned.

mad hat man that is not right ,all propshafts using ujs should be in line ,but it was found that some not 90 degrees phasing could help in extreme angles,
 
i said that front props should be phased 1 or 2 splines no 90 degrees as you mentioned,and gave an explanation that normally ujs are in line but because of hi angle on front props phasing was employed,in actual fact front props on rr disco def 300tdi are the same
 
would you like to point out to me where I said 90 degrees?
I said that I believed 90 degrees, that implies a degree of uncertainty. The only thing that I was sure of was that there was some degree of misalignment on some props..

maybe we should agree that some props should be mis-aligned, although not by 90 degrees.
 
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.....anyway, seeing as I asked the original question, my front shaft is phased not unlike the picture uploaded by MHM however on reading further it refers to the classic and Discovery. Mine is a 2000 P38 V8 with cats (so doesn't have the fixed shaft). Not having taken it off myself does the splined end just pull apart or is there some form of circlip retainer preventing them simply sliding apart? I still have the faint vibe at 40mph.
 
Tried to post a parts list showing 90 degree phasing, did not work, but believe me it is quite normal on some vehicles.
 
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.....anyway, seeing as I asked the original question, my front shaft is phased not unlike the picture uploaded by MHM however on reading further it refers to the classic and Discovery. Mine is a 2000 P38 V8 with cats (so doesn't have the fixed shaft). Not having taken it off myself does the splined end just pull apart or is there some form of circlip retainer preventing them simply sliding apart? I still have the faint vibe at 40mph.

Have you considered the possibility it may have the wrong prop fitted?
 
I have just received my new Hardy spicer front prop and the uj's are NOT in line. If I had to guess I would say one or two splines difference, this is just a guess!
image.jpeg
 
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The slider on my OLD one was at the transfer box end, is this right or wrong! I am referring to the front prop. Also I have new nuts and bolts, which way around do they go? Do the nuts sit closest to the transfer box and to the front diff? I presume it is obvious which length of bolt goes on which end when I get under it, I have two different lengths of new bolts.
 
The slider on my OLD one was at the transfer box end, is this right or wrong! I am referring to the front prop. Also I have new nuts and bolts, which way around do they go? Do the nuts sit closest to the transfer box and to the front diff? I presume it is obvious which length of bolt goes on which end when I get under it, I have two different lengths of new bolts.

As already said it doesn't matter which way round the prop goes but slider to transfer box is normal.

Bolt heads on drive flanges and nuts on U/Js
 
Slight out of phasing is used to smooth out rotation, so that both ends rotate at the same speed, if the angle of the spicer at the input end is slightly different to that of the spicer at the output end.
 
'Ere @wammers, I know it's a rear but the last drawing Daft put up looks like it shows nuts to diff?

That's the wrong way round in my head, not sure why. Does it matter?

Dafts illustration is correct. Bolts out through drive flange at tranny brake end, nuts to prop. Bolts through prop and flange nuts to flange at diff end. ;);)
 
Dafts illustration is correct. Bolts out through drive flange at tranny brake end, nuts to prop. Bolts through prop and flange nuts to flange at diff end. ;);)

It's just my head that's wrong then :D

Trying to work out why it feels wrong, I always put nuts on the removable component side unless there's a compelling reason not to.
 
So in LR's wisdom when you have slight play in the uj the yolks will contact the nuts and **** the uj, nut and bolt! Surely the other way around the bolt head would be missed because it is smaller/thinner than the nut! Just a thought, must be around the way described for a reason I guess!
 
It's just my head that's wrong then :D

Trying to work out why it feels wrong, I always put nuts on the removable component side unless there's a compelling reason not to.

The rear props can be quite tight to get off lengthwise. If the bolts at both ends came through the flange you would not be able to remove it. As you have to put the bolts in the flange before it is fitted, you would not be able to get them out.
 
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