1988 jeep cherokee 4.0 My Dad was compling about his steering so jacked it up checking all rods and conections. Everything looks great except left front wheel the lug nuts are tight axel nut tight when pusing and pulling I can see the rotor &wheel &little axel that connects with a u-join to the longer axel moving toghther. Is there somthing in there wore out that needs to be relaced ? Also the big Yoke that is kind of like king pins there tight as well. Any Ideas Thanks !!!