Mud-club

Vehicle & Technical => Discovery => Topic started by: ChrisW on June 24, 2006, 18:00:25

Title: Rear Diff to Propshaft 3 bolt to 4 bolt conversion?
Post by: ChrisW on June 24, 2006, 18:00:25
I may be looking at converting the rear diff to propshaft coupling from the 3 bolt flange with a rubber donut coupler to a 4 bolt flange using a UJ.

Has anyone done this conversion? Is it simply a case of swapping the flange's or are there other parts involved? I can't see anything else other than the diff pinion may not be drilled for a split pin?
Title: Rear Diff to Propshaft 3 bolt to 4 bolt conversion?
Post by: snezza69 on June 24, 2006, 18:14:27
I understand it is just a case of replacing the flange, and aparently now the nut with the split pin had been replaced with a nylon lock nut!

That was what they told me at MM 4x4 anyway
Title: Rear Diff to Propshaft 3 bolt to 4 bolt conversion?
Post by: Budgie on June 24, 2006, 21:21:08
Yes it is just a case of swapping the flanges & oil seals over.
Although when I did mine it set up a vibration in the rear propshaft but that was because of the +3" lift I have fitted.
I need to get some spacers for the Scorpion trailing arms to sort it.  :wink:
Title: Rear Diff to Propshaft 3 bolt to 4 bolt conversion?
Post by: Range Rover Blues on June 24, 2006, 21:42:32
I was very tempted to do the same on the LSE even though it's not lifted.  Out of interest what are you trying to cure or is it a reliability thing?
Title: Rear Diff to Propshaft 3 bolt to 4 bolt conversion?
Post by: ChrisW on June 24, 2006, 21:47:41
Dunno really, the donut had to be replaced today but it's been on it's way out for a couple of weeks - although it's allowed me to keep driving on it whereas if it was a UJ I daresay I would have had to take the prop off by now.
I think this donut has lasted me about two years so I guess it's not too bad and the bolts where easier to do than the 9/16" nuts/bolts on a UJ coupler!
Title: Rear Diff to Propshaft 3 bolt to 4 bolt conversion?
Post by: Range Rover Blues on June 24, 2006, 21:59:18
Well my rear diff was shot (b***ed 24 spline anyone?) so I swapped it.  I still have a slight drumming from the back at warp speed but I can live with it for now.  It's the availbility of parts for one thing that puts me off plus the fact that the doughnut is all that keep the prop centralised.  I have a spare LSE prop with UJs so might give it a go sometime.
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