SECTION 5-A 1951 BUICK REAR AXLE SPECIFICATIONS AND DESCRIPTION 5-1 1951 BUICK REAR AXLE SPECIFICATIONS Tightening Specifications Use a reliable torque wrench to tighten the parts listed, to insure proper tightness without straining or distorting parts. These specifications are for clean and lightly lubricated threads only; dry or dirty threads produce increased friction which prevents [...]