You topped off the air in your tires, but a few days later, you notice that one of them is low again. It could be a hole, but before you go through the hassle of searching for one or making an ...

Tighten the packing nut on the toilet shutoff valve one-eighth turn clockwise to try to seal a leak around the nut. Pro tip: Wrap cloth or masking tape on the plier’s jaws to protect the nut’s finish.