4wd Weird Shake when Braking

[72k20Farmtruck]

Originally Posted by kwmech

U-bolt torque. Are they nice and tight. should be a 5/8 u-bolt with a torque of at least 150. Leaf spring bushings?

Yes those are torqued as tight as I could get them. I had a set that go over leaf spring with the nuts under the axle, so they are the flat kind, instead of the round shaped u bolts that go around the axle tube.

Leaf spring bushings are a good possibility. I’ll check them as well.