How to Repair a Single-Handle Kitchen Faucet

Kitchen Faucet Repair: Loosen a stuck screw on a single-handle faucet

A single-handle ball-type faucet

If the Allen screw is stuck, or if you strip it so it won’t come out, remove the cap with the handle still in place. You can’t grab the flattened edges with the handle in place. Instead, for this kitchen faucet repair, cushion the jaws of pliers and grip the round edge below.

How to Remove Faucet Handle

If you can’t loosen the Allen screw on the handle of a ball-type faucet, don’t let that 15¢ screw force you into a $100 faucet replacement… just yet! Normally you have to remove the handle to get the worn rubber seats that cause the drip (Figure A). First try spraying the screw with penetrating oil every day for a week. Then try the screw to see if it’ll come (Photo). If this doesn’t do it, or if you finally strip the head of the Allen screw, try drilling out the screw. Use a bit about the same size as the screw and work carefully. You’ll ruin the handle and have to replace it, but it’s well worth it if you can save the valve. As a final resort, you can actually unscrew the cap with the handle still connected (see Figure A for the parts). This is tricky, because you can’t grab the flat edge of the cap, the part that’s shaped for the pliers (Figure A). Make sure to cushion the jaws well when you grip the smooth, rounded body of the cap. Use rubber tape, because you can’t squeeze the cap too hard. Turn the cap counterclockwise to unscrew it. The assembly you remove will contain the handle, cap, cam, packing and ball (Figure A).

The next challenge is to break the ball from its stem. (The Allen screw clamps onto the stem.) Try grabbing it with the pliers and twisting. The goal is to separate the parts so that you can salvage and reuse the cap. You’ll still have to buy a new handle and a repair kit that includes a new ball.

If this kitchen faucet repair doesn’t work, the only solution is to replace the entire faucet. This is a tough fix. Good luck!

Figure A: Ball Valve Faucet Parts

Ball-type faucets have these parts. A repair kit will have the key parts to replace to stop drips.

Required Tools for this kitchen faucet repair Project

Have the necessary tools for this DIY kitchen faucet repair project lined up before you start—you’ll save time and frustration.

• Allen wrench
• Drill bit set
• Drill/driver - cordless
• Slip joint pliers

Required Materials for this kitchen faucet repair Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here’s a list.

• Faucet repair kit
• Penetrating oil

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