markSX · Feb 28, 2015

Due to a shagged uj I removed the front prop today (to be rebuilt when parts arrive), I just been for a drive and have noticed two things,
1, a knocking when changing gear (didn't do this with front prop on).
2, far less transmission slap than before.

I've been underneath and I have 1/8 of a turn of play on the transfer box and a little less on the front axle.

Ant ideas as to why this is ?

ronsealdeath · Feb 28, 2015

Cos you are running one prop only it increases backlash massively. Dont worry about the knock. The other change is because your uj was shagged and is now removed. Just replace your ujs with gkn ones. Forget bearmach or other they are junk.

markSX · Feb 28, 2015

I think you got the wrong end of the stick, it has less backlash with the front prop removed.

jamesmartin · Feb 28, 2015

markSX said:
Due to a shagged uj I removed the front prop today (to be rebuilt when parts arrive), I just been for a drive and have noticed two things,
1, a knocking when changing gear (didn't do this with front prop on).
2, far less transmission slap than before.

I've been underneath and I have 1/8 of a turn of play on the transfer box and a little less on the front axle.

Ant ideas as to why this is ?

if you engage diff lock ,you slide a collar over out put shaft so connecting it to diff case splines , out put splines are wide spaced meaning there will be some backlash ,if center diff is poor backlash may well feel less ,what exactly is transmission slap

markSX · Feb 28, 2015

jamesmartin said:
if you engage diff lock ,you slide a collar over out put shaft so connecting it to diff case splines , out put splines are wide spaced meaning there will be some backlash ,if center diff is poor backlash may well feel less ,what exactly is transmission slap

By slap I meant backlash, just didn't know what to call it before.

So from what you say the chances are my center dif is warn, is this something that can be easily changed or do I need to replace the transfer box ?

jamesmartin · Feb 28, 2015

see what backlash you get with it not in difflock ,if it is it would be easier to swap the whole box

ronsealdeath · Feb 28, 2015

markSX said:
I think you got the wrong end of the stick, it has less backlash with the front prop removed.

Yes I did! Sorry.

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