Reply To: shower half from head half from faucet

[PLUMBILLParticipant]

If the diverter is in the tub spout (tub spout diverter) you could just replace the tub spout with a matching one.

If you have a diverter assembly that is part of the faucet you can take it apart and clean it and/or replace parts as needed so it works right.