Introduction

Use this guide to stop a leak in a common cartridge faucet.

Shut off the hot and cold water valves underneath the sink by twisting them clockwise until they are tight. The appearance of these valves will differ from sink to sink, but most operate the same.
  • Shut off the hot and cold water valves underneath the sink by twisting them clockwise until they are tight.

    • The appearance of these valves will differ from sink to sink, but most operate the same.

  • To test that the water has been completely shut off, try turning on the faucet like you would normally. If no water comes out, you're in luck!

  • When reopening the valves after the repair, leave the faucet in its on position. This will prevent pressurized air from building up in the faucet cartridge.

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Pull up on the the pop-up drain stopper to seal the sink drain. Place a towel in the sink to catch any excess water or faucet hardware. Place a towel in the sink to catch any excess water or faucet hardware.
  • Pull up on the the pop-up drain stopper to seal the sink drain.

  • Place a towel in the sink to catch any excess water or faucet hardware.

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Use your fingers or a prying tool to remove the plug button from the top of the faucet handle. Use your fingers or a prying tool to remove the plug button from the top of the faucet handle. Use your fingers or a prying tool to remove the plug button from the top of the faucet handle.
  • Use your fingers or a prying tool to remove the plug button from the top of the faucet handle.

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Use a screwdriver to remove the single handle screw.
  • Use a screwdriver to remove the single handle screw.

    • The number and head type/length of the screws may vary from faucet to faucet.

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Gently pull the faucet handle up from the rest of the faucet. Gently pull the faucet handle up from the rest of the faucet. Gently pull the faucet handle up from the rest of the faucet.
  • Gently pull the faucet handle up from the rest of the faucet.

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Remove the temperature limit stop from the top of the cartridge. When removing the temperature limit stop and indexer, take note of their position. The limit stop and indexer determine the maximum temperature that water can reach when coming out of the faucet.
  • Remove the temperature limit stop from the top of the cartridge.

  • When removing the temperature limit stop and indexer, take note of their position. The limit stop and indexer determine the maximum temperature that water can reach when coming out of the faucet.

  • Even if you mark the position of the indexer and stop, you may still need to reset the temperature limit after addressing the leak. Follow the instructions for your specific faucet if they are available.

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Unscrew the bonnet from the faucet. Unscrew the bonnet from the faucet. Unscrew the bonnet from the faucet.
  • Unscrew the bonnet from the faucet.

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Remove the temperature limit indexer from the top of the cartridge. Remove the temperature limit indexer from the top of the cartridge.
  • Remove the temperature limit indexer from the top of the cartridge.

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Use an adjustable wrench to loosen the bonnet nut. Use an adjustable wrench to loosen the bonnet nut.
  • Use an adjustable wrench to loosen the bonnet nut.

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Remove the bonnet nut. Remove the bonnet nut.
  • Remove the bonnet nut.

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Remove the cartridge. Remove the cartridge.
  • Remove the cartridge.

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Remove the cartridge o-rings. If the leak has been coming only from the end of the faucet, replace the cartridge. If the faucet has been leaking from the base or from the faucet handle, replace the o-rings.
  • Remove the cartridge o-rings.

  • If the leak has been coming only from the end of the faucet, replace the cartridge.

  • If the faucet has been leaking from the base or from the faucet handle, replace the o-rings.

  • When installing new o-rings, be sure to properly seat them into the grooves on the underside of the cartridge. A misaligned o-ring can easily cause a new leak.

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When reinserting the cartridge, be sure that the keys on the cartridge line up with the keys on the base of the faucet. When reinserting the cartridge, be sure that the keys on the cartridge line up with the keys on the base of the faucet.
  • When reinserting the cartridge, be sure that the keys on the cartridge line up with the keys on the base of the faucet.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Geoff Wacker

Member since: 09/30/2013

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