Lug Breakage
I had this problem with my 1992 - I snapped 2 lugs off while putting the tires back on after changing out the shocks. I had to pull apart the entire hub assembly - tap out the studs and replace them with some Grade 5 hardware. I'd originally thought the lugs had been over torqued...
4 runner rear window - replacement motor
I have a 92 with the same problem - I took apart the rear tailgate, cleaned out everything with a wire brush and greased all the channels and rollers. I still can't get the window to go up and down and I'm pretty sure the motor for the pivot arms has...