you fortunately can skip this step. Remember that water can run down a drain pipe and drip elsewhere, so seeing a stain on the ceiling or a drain pipe dripping somewhere other
Found a slight drip from one of the banjo washers, so after making a cautious 1/16" turn to snug the bolt, NO MORE LEAKS! Roger then reinstalled an old section of slit hose insulation as a shield for the repaired section to keep it protected from rubbing body metal. If you can ...