Front end vibration ... suggestions?
I am having a hard time tracking this problem down.
I have not got a lift on her, but I have changed to an 89 RR Classic U-jointed shaft in the rear - and replaced both U-joints in that.
There is a vibration that seems to start @ 45 mph, goes away about 60mph, and comes back really bad at 70 mph. It is reduced in it severity by either accelerating, or slowing down - basically it is worst at a neutral throttle setting.
It seems to be coming from the front end, but is not transmitted into the steering wheel - its the body/frame that gets shaken so I am tending to say that its not wheel balance problems.
I have jacked up the front end and turned the wheels. I couldn't disern noise, clunks, or loosness in the front driveshaft - but the backlash in the diff had a barely discernable "two stage" feel to it that the rear diff doesn't (It has a straight, limit to limit feel, with no "bump" in when it gets to the limit)
My rear shocks need replaced and I am guessing that the front probably does too.
Now to my question ... does it sound like a problem in the diff? I had thought it was a U-joint - but they SEEM OK.
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Black '02 Discover SII, Auto. 
Black '87 Suzuki Samurai, rock crawler  :
Black '94 Discovery SI V8i, 5 spd (Currently DOA)
--## If you have enough time to do something over again, you had enough time to do it right the first time. ##--
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