wheel hub 10 can be readily rotated to place the extension lug bolt 16 topmost however for the rear wheels the car must be securely blocked both front and back with the shift placed in neutral to thereafter rotate the long stud into the top position and then returning the shift to the 34 park 34 setting in any event once the extension lug bolt 16 has been placed in the top position the spare tire can be installed by placing a wheel hub hole 36 on the extension nub portion of the extended lug nut 16 so that the replacement wheel hub 36 hangs down and gravity causes alignment of the remaining wheel holes with their respective lug bolts 18 20 22 and 24 thereafter the tire changer need only push laterally against the replacement tire and or wheel to position all wheel holes on respective lug bolts for subsequent threaded placement of lug nuts to lock the replacement wheel in place for operation the standard or common brake drum extensions of the axles of an automobile have four or usually five threaded studs or lug bolts which protrude in parallel from the face plate 14 of wheel drum 10 it is quite often difficult for a person of normal strength to hold a replacement tire and wheel up from the ground while simultaneously aligning the five wheel holes with the five lug bolts utilizing the extended lug nut 16 centered topmost during the changing sequence the replacement tire wheel may be positioned to enable one to slide all wheel holes onto the respective lug bolts 16 24 fig6 illustrates still another alternative wheel changing aid that.