1996 F-150 4x4 5.0, 5spd, Manual transfer case, manual hubs

When I am making tight turns (i.e. into a parking spot), I get a knock/bind from the front end of my truck. This only happens when the front hubs are locked, but the truck is in 2WD. In 4WD this does not happen.

It almost seems as if the hub is skipping teeth.

The truck has all new front end parts (outer u-joints, ball joints, front drive shaft u-joints).

I have jacked one side up at a time, turned the wheel all the way, and spun the wheel by hand and can't feel or hear anything.

Any suggestions? Thanks!

 

Single cardian U joints really aren't designed to operate at sharp angles, avoid going to full steering lock when the hubs are locked.