Leaky Shower? Here’s How to Repair It Step-by-Step

Step 2: Turn Off the Water Supply

Always turn off the water before doing any repairs. You can usually find the shut-off valve near your bathroom or in the basement. If you can’t find a local valve, you may need to turn off the water to the whole house.

Once the water is off, turn the shower on to drain out any remaining water from the pipes. This makes the shower repair process cleaner and safer.

Step 3: Remove the Handle and Trim Plate

Use a screwdriver to remove the faucet handle. Then, take off the trim plate (the flat piece of metal behind the handle). Be careful not to lose any screws, and keep all small parts in a bowl or container so they don’t roll away.

Behind the trim plate, you’ll see the valve that controls the water flow. If this part is worn out or cracked, it could be the cause of the leak.

High Speed Plumbing often replaces worn-out valves during routine calls because it’s a common issue that can sneak up on homeowners.

Step 4: Check the Valve Cartridge

The valve cartridge is a small, tube-like component that controls the flow of hot or cold water. Over time, the cartridge can wear out or get clogged with mineral buildup. This is a top reason for faucet leaks.

Use pliers or a cartridge puller tool to remove it gently. Take it to your local hardware store to find an exact match. Be sure to buy a new one that fits your shower model.

This is one of the most crucial steps in shower repair, so take your time and double-check your work.

Step 5: Replace the Cartridge and Reassemble the Shower

Once you have the new cartridge, carefully slide it into the opening where the old one was. Ensure it’s lined up properly so the handle operates correctly when you turn it. Reattach the trim plate and handle using your saved screws.

When everything is back in place, turn the water supply back on and test the shower. If the drip is gone, congrats—you did it!

However, if the leak persists, you may need to replace other parts or inspect for more extensive damage. In this case, calling a plumber in Tempe, AZ could be the safest and most effective next step.

Step 6: Seal Any Gaps With Caulk

Sometimes the leak isn’t just from inside the pipes. Water might be slipping through gaps around the shower faucet or trim. Once you’ve fixed the internal parts, use waterproof bathroom caulk to seal any open edges.

Apply the caulk in a thin, even line around the edges and smooth it with your finger or a caulking tool. This keeps water from getting behind your shower walls.

High Speed Plumbing recommends checking your caulk lines at least once a year, especially if your bathroom receives a lot of use.

Step 7: Watch for Future Problems

After your repair, keep an eye on the area. Check for any new signs of leaking. Is water still dripping? Are there damp spots on the wall? If something feels off, don’t wait. Even a small leak can quickly escalate into a major problem.

Regular check-ins or seasonal maintenance with a trusted plumbing service can help catch issues early. This is especially helpful in older homes where pipes may be worn or outdated.

High Speed Plumbing offers inspections that catch hidden plumbing issues before they become costly surprises.

Time to Take Action – Don’t Let a Leak Get Worse

A leaky shower doesn’t have to ruin your day or drain your wallet. With a little effort and the right tools, you can handle many shower repair jobs yourself. If the leak is small and easily accessible, try it.

However, if you encounter problems, don’t hesitate to call in a professional. A skilled plumber can identify hidden issues and ensure the repair is done safely and correctly.

Whether you need advice, inspection, or a full plumbing service, getting help early is always better than dealing with damage later.

Reach out to High Speed Plumbing if the problem feels too big to handle alone. They’re ready to help you get your shower—and your peace of mind—back on track.