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Shagged Out Uni Joint?

General Tech Talk

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Shagged Out Uni Joint?

Post 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?
"Why do the British drink their beer at room temperature? Because Lucas builds their refrigerators."
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Post by bazooked »

its probably dry fill it with grease and see what happens
buggy time............
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Post 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)
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Post 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
"Why do the British drink their beer at room temperature? Because Lucas builds their refrigerators."
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Post 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
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Re: Shagged Out Uni Joint?

Post 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.
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Post by TRobbo »

Check with the vehicle in neutral so there is no load on the drive line.

Be sure to chock your wheels :splat:
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Post 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.... :D
"Why do the British drink their beer at room temperature? Because Lucas builds their refrigerators."
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