There are a couple of ways to do it. You could rent the proper coil spring compressor (tool rental program here on this forum) and disassemble or you could do it the improvised way that I used. Either way, you will need accurate measurements of the guide rod or center to center of front to rear wheels unless you plan on an alignment afterwards. I raised mine on ramps, installed a come-along to hold the wheel fore and aft, then unbolted the bearing carrier from the chassis. Then it was a simple process of unscrewing the guide rod and and removing the bushing from the back.

It is not a difficult job really. Just be sure to maintain the car's weight on the wheel and something to keep the wheel from moving forward and/or back and unbolt the carrier. The main thing is keeping that front spring stable with car weight or the proper spring compressor.

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Sam

84 300SD 350K+ miles ( Blue Belle )