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JR23 05-07-2010 08:25 PM

Shudder under a load
Just had a real bad shudder in driveline while hauling a load of landscape rocks (500lbs) to the house. 1st gear a little rough, but when I went into 2nd..OMG what is that? I thought the driveshaft was going to drop! I actually stopped and looked underneath because i though something was rubbing. So, I have nursed it home (it eased up as I gained a little speed, still bad @ takeoff). My thoughts have been : U-joints; clutch; rear end; maybe drive shaft?
As always thanks for the advice!!!!

RamTech 05-08-2010 07:29 AM

I'd start by dropping the drive shaft and checking the u joints for binding, looseness and lack of lubrication.

GregInAtl 05-08-2010 03:14 PM

If its dropped, is there a pinion shim in it?! I am thinking if its lowered a little, and it had a big load, there was some major misalignment/binding.

hydrex 05-08-2010 05:04 PM

500 lbs isn't much weight. Definately look at the U Joints. I had one go bad in my truck, however it started to vibrate at high speed. Aftermarket ones have grease fittings as a rule, also.

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