How to Fix a Dripping Showerhead or Faucet
Stop a dripping shower by replacing the cartridge or valve components
What You'll Need
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Tools
Screwdrivers
Flathead and Phillips
Allen wrench set
Adjustable wrench
Cartridge puller(optional)
For some models
Plumber's grease
Towels
Materials
Step-by-Step Instructions
Turn off water supply
5 minutes
Locate the shower shut-off valve (may be behind an access panel, in basement, or at main). Turn off water and open the shower valve to release pressure and drain remaining water.
Pro Tip
If you can't find a dedicated shut-off, turn off the main water supply.
Remove the handle
5-10 minutes
Look for a screw under a decorative cap on the handle. Pry off the cap and remove the screw (may be Phillips or Allen). Pull the handle off - it may require some wiggling.
Pro Tip
If the handle is stuck, use a handle puller or gently pry from behind.
Remove trim plate
5 minutes
Unscrew or unclip the escutcheon (trim plate) covering the valve. You may need to cut through old caulk with a utility knife first.
Extract the old cartridge
15-30 minutes
Identify your valve type (cartridge, ball, or compression). For cartridges, remove the retaining clip or nut. Pull the cartridge straight out - a cartridge puller may be needed for stubborn ones.
Pro Tip
Note the cartridge orientation before removing - many must be installed in the same direction.
Warning
Take the old cartridge to the hardware store to find an exact replacement.
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10 minutes
Apply plumber's grease to the O-rings on the new cartridge. Insert it in the same orientation as the old one. Replace the retaining clip or nut.
Reassemble and test
10 minutes
Reinstall the trim plate and handle. Turn on the water supply slowly. Test the shower for leaks and proper operation. Check that hot and cold work correctly.
Pro Tip
If hot and cold are reversed, remove and rotate the cartridge 180 degrees.
Common Mistakes to Avoid
- Wrong replacement cartridge (must match brand and model exactly)
- Not turning off water completely before removing cartridge
- Forcing parts that need a specific puller tool
- Installing cartridge in wrong orientation
Safety Warnings
- Always turn off water before disassembling the valve
- Take photos before disassembly for reference
When to Call a Professional
If you can't identify the cartridge type, if the valve body is damaged, if there's no accessible shut-off valve, or if there's water damage behind the wall.
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Frequently Asked Questions
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Project Overview
- Difficulty
- Intermediate
- Time
- 1-2 hours
- Est. Cost
- $20–$75
- Tools
- 6 items
- Materials
- 2 items
- Steps
- 6
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