How To Replace A Kohler Flush Valve Gasket In 5 Easy Steps

Introduction:

Tired of a leaky toilet that’s driving you crazy? If the culprit is a faulty Kohler flush valve gasket 87998, replacing it is a simple and effective solution. In this comprehensive guide, we’ll provide you with a step-by-step tutorial on how to replace kohler flush valve gasket 87998, ensuring a leak-free toilet and a peaceful bathroom.

Tools and Materials You’ll Need:

• New Kohler flush valve gasket 87998
• Adjustable wrench
• Screwdriver
• Rag or towel
• Plumber’s putty (optional)

Step 1: Shut Off the Water Supply

Locate the water supply valve behind the toilet and turn it clockwise to shut off the water. Flush the toilet to drain the remaining water from the tank.

Step 2: Disconnect the Water Supply Line

Use the adjustable wrench to disconnect the water supply line from the fill valve. Place a rag or towel underneath to catch any dripping water.

Step 3: Remove the Flush Valve Cap

Use the screwdriver to remove the cap on top of the flush valve. This will expose the flush valve assembly.

Step 4: Remove the Flush Valve

Unscrew the flush valve from the toilet tank using the adjustable wrench. Be careful not to overtighten.

Step 5: Replace the Flush Valve Gasket

Remove the old gasket from the flush valve and replace it with the new Kohler gasket 87998. Ensure that the gasket is properly seated and aligned.

Step 6: Apply Plumber’s Putty (Optional)

If desired, apply a small amount of plumber’s putty around the base of the flush valve to create a better seal.

Step 7: Reinstall the Flush Valve

Screw the flush valve back into the toilet tank, ensuring it is tightened securely.

Step 8: Reconnect the Water Supply Line

Attach the water supply line to the fill valve and tighten it using the adjustable wrench.

Step 9: Turn On the Water Supply

Slowly turn on the water supply valve and check for any leaks. If you notice any leaks, tighten the connections further or apply more plumber’s putty.

Step 10: Test the Flush

Flush the toilet several times to ensure that the new gasket is working properly and there are no leaks.

Troubleshooting Tips:

• If the toilet is still leaking after replacing the gasket: Check the fill valve and flapper valve for any other potential leaks.
• If the flush valve is difficult to remove: Use a penetrating oil to loosen the bolts and make it easier to unscrew.
• If the new gasket is not sealing properly: Ensure that the gasket is the correct size and shape for your flush valve.

What You Need to Know

Q: How often should I replace the flush valve gasket?
A: It’s recommended to replace the flush valve gasket every 5-10 years or as needed if you notice any leaks.

Q: Can I use any type of gasket for my Kohler flush valve?
A: No, it’s important to use the specific Kohler flush valve gasket 87998 to ensure a proper fit and seal.

Q: Is it possible to replace the flush valve gasket without removing the flush valve?
A: No, it’s not possible to replace the gasket without removing the flush valve from the toilet tank.