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Shagged Out Uni Joint?
Posted: Wed Apr 05, 2006 10:19 pm
by defender kev
Has anyone ever had a uni joint that was knackered but to lie under the truck there was no movent.
Basically i have a vibration thats gradually got a little worse and it feels and sounds like a uni but when you lie under the truck and check for movent there is none.
Could it possibly be a that the uni joint has a tight spot or similar?
Posted: Wed Apr 05, 2006 10:21 pm
by bazooked
its probably dry fill it with grease and see what happens
Posted: Wed Apr 05, 2006 10:32 pm
by christover1
before my spring lift, my rear rear uni used to sieze on one axis.
It vibrated, creaked and clunked, but had no noticible movement.
I suspect the lift caused unis to run at a better angle, and has never done it again.
unis need a bit of angle to keep the grease moving around and thus not seizing (I think)
Posted: Wed Apr 05, 2006 10:38 pm
by defender kev
Interesting christover i recently have done the opposite and increased my lift by 30mm.I am wondering if the uni had got comfortable so to speak and now i have upset it by putting the lift in and it changing angles
Posted: Wed Apr 05, 2006 10:47 pm
by christover1
defender kev wrote:Interesting christover i recently have done the opposite and increased my lift by 30mm.I am wondering if the uni had got comfortable so to speak and now i have upset it by putting the lift in and it changing angles
Yes, thats very possible, bearings and the like do get into a comfort zone.
You probably are right.
re greasing may help, but I'd replace it.
My original springs were very shagged, and there was no angle at all in the uni.
I replaced unis with the spring lift anyway.
christover
Re: Shagged Out Uni Joint?
Posted: Wed Apr 05, 2006 10:51 pm
by F'n_Rover
defender kev wrote:Has anyone ever had a uni joint that was knackered but to lie under the truck there was no movent.
Basically i have a vibration thats gradually got a little worse and it feels and sounds like a uni but when you lie under the truck and check for movent there is none.
Could it possibly be a that the uni joint has a tight spot or similar?
Did you jack a wheel up? The drive line could be loaded, hence the no play.
Posted: Thu Apr 06, 2006 9:08 am
by TRobbo
Check with the vehicle in neutral so there is no load on the drive line.
Be sure to chock your wheels
Posted: Thu Apr 06, 2006 12:08 pm
by defender kev
Well i took the rear shaft out and and checked the front uni all is well and then i goto cheack the rear and it is jammed solid one way.
So i guess i found the problem!!!!
Thanks for your input guys....
