why why ????
 

since i bought a 93 ford ranger 4x4 i seem to be wearing out my thrust spacers iv'e tryed differt size 4 point lock nuts to bring me out flush to the end of axle thinking my axle play pulls them in from transfer case and basically wears a groove to a point it will dissapear squeal can anyone help me out i keep gettin used thrusts out of used 4x4 hubs most seem good but i also see some trucks with same problem thank you lookin for answers