Originally Posted by
los341
Sounds like the U-joints are going out. Lifting the truck puts the U-joints at a greater angle, which shortens their life. The clicking is probably from bad roller bearings in the U-joint caps.
Carl
I second that. I think the max angle is 3 degrees.
This is interesting.
http://www2.dana.com/pdf/J3311-1-HVTSS.PDF