Leaking when turned off and leaking from the spout are common reasons to repair a Peerless faucet. The causes of these leaks are commonly a loose adjusting ring, a bad spring and seat assembly, or a bad diverter assembly.
Replacing a loose adjusting ring to stop a leak is typically the easiest of the repairs, notes Movere. Replacing springs and seats is the next most difficult, followed by replacing the diverter assembly. Turn off the water to the sink before beginning any of these repairs. To repair the adjusting ring or spring and seat assembly, it is necessary to remove the faucet handles. To replace the diverter, it is necessary to remove the faucet spout.