96 GMC Sonoma... LOOSE REAR AXLE

KDUB3538

I've changed my u-boats a few times already, as well as tightened and retightened... Only for a week or two later the same thing happened....... Please guys any pointers ideas, thanks fellas

thecardoc3

You mean the U-bolts that hold the rear axle to leaf springs? What torque are you tightening them to? The spec is 73lb/ft. Where did you get the bolts?
Can you tell are the bolts stretching and coming loose or the nuts just not retaining torque? Did you try a thread locker or double nut?