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I was gonna put taller blocks on the rear of my truck but the stock U-bolts are so long that my deep well impact socket won't fit over the nut? I tried using a wrench which would work for the outside too but I can't get to the inside nuts and get enough force on the wrench to break them loose. Any ideas?
at 200 ft/lbs+ it's going to be hard on a ratching box end, even a good one. You can buy a really deep well from snap on or matco or you can just buy new u-bolts. Ubolts should be about $50, the socket will run between $40 and $150.
However, there are some O-drive ratchets. They have a hole through the ratchet for working on really long bolts, they can come in handy I guess.
The u-bolts you have will work. You will need to loosten and remove one complete
u-bolt, once removed, it will make the neded clearance to allow the use of a wrench on the other two nuts.
Take the outside one off first, and then remove the inside one.
You really should not have that much thread exposed. That only meant that someone installed a set that was too long, but you will use up the remainng thread once you install the taller block.
I would not re-use the U-bolts. When the factory torques the bolts to spec, they stretch a little bit (like all bolts) to acheive the proper torque. Once you unbolt them, and try to reuse them again...they become weaker. You can do it...but it's not the 'right' way to do it...
I got mine off with a regular deep socket, so you might have the long bolts in the first place. Try putting a little heat on the nut and they will spin right off.
The best thing to do is take a disc grinder and cut them off. It takes less than 30 seconds each. Buy the right diameter U-bolts and cut them down so you can use a deep socket next time. Dress the end of the thread so you don't tear the threads on the nuts. Clean off the oil, prime and piant them. Put some anti-seeze on the threads and torque them down. ~Dave