Vehicle & Technical > Defender

prop shafts help !!

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Tiki Al:
i busted a rear uj on the propshaft so i ordered 4 so i could do the lot in one go, now i got the new ones today and removed and cleaned them all up proir to fitting, fitted the new uj's no problem and was just about to re-fit the shafts when a mate popped round and said  " did you re-fit the splines as they came off ? " oh poo sais i, in my haste to get them off i forgot. Anyone know if the yokes are supposed to be fitted in line or 90 deg off from each other ? or if it even matters ?

bezzabsa:
dont think it matters.

ChrisW:

--- Quote ---The front shaft which is shorter than the rear is ’Phased’, with the joints at each end, A and B mis-aligned as shown below.
The phasing is necessary on the front shaft only to allow for greater variation in angular changes.
--- End quote ---

Tiki Al:
Many thanks  :D

rollazuki:
a prop with UJ's(not cv joints) should always have the joints running in the same phase. IE lay the prop out on the ground, and the flanges on either end of the prop should be in the SAME plane. Youll get vibration and excessive wear if its run out of plane.
The front on a Landy runs with the joints at daft angles, ie the transfer case end flange is running horizontal, and the diff flange points slightly upwards at god know what angle. This is bad for a UJ propshaft, and so the 'out of phase' thing attempts to cut down on vibration.

for safeties sake and long term life, Id run them in phase, since we dont seem sure of the number of degrees to run out of phase on the front.

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