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Kohler kitchen faucets run into some common problems and often need basic troubleshooting. The most common troubleshooting and repair issues that arise in Kohler faucets revolve around the cartridge and the sprayer head. Each one is susceptible to leaks and both problems are fairly easy to repair.

Following the general troubleshooting steps laid out by Kohler will inevitably repair your problem and return the faucet to its original working order. All you need is about a half hour of time and some basic skills.

You will need:

  • Allen wrench
  • Regular wrench

Fix a leaking Kohler faucet

Fix a leaking Kohler faucet base or handle by unscrewing the handle set screw with an Allen wrench and pulling the handle off. Then remove the bonnet nut under the handle of the Kohler faucet and take the cartridge out. Replace it with a new cartridge and reassemble the faucet to finish troubleshooting.

Fixing leaking or stuck sprayer head

Fix a leaking or stuck sprayer head by replacing the sprayer on your Kohler kitchen faucet. Unscrew the sprayer hose from the base of the CH22 faucet, under the sink with a wrench. Pull the sprayer and hose up through the faucet mounting, and slide a new hose and sprayer into place. Connect the hose to the base of the faucet and tighten the connector with the wrench.

Fix broken aerator

Fix a broken or cracked aerator by unscrewing the aerator from the tip of the spout and threading on a new one. Tighten the aerator by hand to install it.

Repair a Kohler faucet sprayer

Repair a Kohler faucet sprayer that is stuck in the on position by taking off the handle and removing the bonnet nut. Take out the cartridge and pull the sink spout off the faucet base. Then remove and replace the diverter in the back of the Kohler faucet base with a new diverter, before reassembling the faucet.

These troubleshooting steps for Kohler faucets work on most models, however your particular one may require additional fixes and repairs. You’ll also need to match your parts to your model, so always review your manual before you fix any Kohler faucet.