Why is my tub faucet leaking when shower is on?

If your bathtub faucet spout is leaking when the shower is on, it means that the shower diverter valve is no longer sealing due to a worn out washer or minerals deposits. While repairs are possible, the best thing would be to replace the bathtub spout or the shower diverter valve.

How do you replace a shower diverter valve?





How to Replace a Shower Diverter Valve

  1. Turn off Water to the Valve. There will be 2 handles supplying water to the shower diverter valve, one on each side. …
  2. Plug off the Drain. You do not want to drop anything and lose it to the drainpipe. …
  3. Remove the Handle. …
  4. Remove the Escutcheon. …
  5. Retrieve the Valve.


How do you fix a leaking tub diverter valve?

How to Repair a Shower Diverter

  1. Turn off the water supply to your shower.
  2. Seal off your drain with tape so that small screws or other important parts are not lost down the drainpipe.
  3. Tighten the screws behind the faceplate of the diverter valve. …
  4. Disassemble the shower diverter. …
  5. Replace the diverter.

What does a shower diverter look like?

The diverter looks like a pin pulled upward from the bathtub faucet spout. It’s possible that it may come in the form of a third handle or a button that needs to be pushed or pulled. Either way, when the valve is activated, it engages a rubber stopper, which causes the water to flow in a different direction.

Can a shower diverter be fixed?





It may be a simple job to put off, a damaged shower diverter wastes water and creates a bad shower experience. Repairing a shower diverter is a DIY job that you can complete in simply one day.

How much does it cost to replace a shower diverter?

Replacing a shower diverter valve costs $225 to $575, including materials and labor. A shower diverter valve switches the flow of water between the bathtub spout or shower head and is typically controlled by a small handle located on the center trim plate or near the tub spout.

How do you stop a leaky shower faucet?

  1. Gather Tools and Materials. …
  2. Turn Off the Water Supply and Open the Faucet. …
  3. Remove the Handle Cap, Handle and Faceplate. …
  4. Remove the Locking Clip. …
  5. Remove and Replace the Cartridge. …
  6. Replace Other Parts and Test. …
  7. Remove the Metal Stem in a Shower Faucet with Two Handles. …
  8. Replace the Metal Stem if Needed.