Need to tighten bolt on power steering pulley. Makes squelling noise so I thought it was bearing but when I sprayed back of bracket it did not stop. For the heck of it I sprayed front on pulley and it went away. They check pulley and it will slide forward and back about a 1/16". Bolt looks like torx so I put in t50 but it is too small. Anyone know proper socket or is it special tool.

 

If it's squeeling, it's probably the belt, not the pulley. The bearing will not sound like a squeel....more like a grinding sound. Replace the belt if it looks bad and that should fix things. Also....spraying the pulley could get lube on the pulley and make the belt squeel/slip more.