How To Replace Toilet Flange Bolts: A Simple Guide

Replacing toilet flange bolts is a relatively simple plumbing task that can be completed in under an hour with the right tools and materials. Loose or damaged flange bolts can cause leaks and other issues, so it’s important to replace them as soon as possible.

Materials You’ll Need

• New toilet flange bolts
• Adjustable wrench
• Hacksaw or reciprocating saw
• Plumber’s putty
• Utility knife
• Rags

Safety First

Before you begin, turn off the water supply to the toilet and flush the toilet to empty the tank and bowl.

Step 1: Remove the Old Bolts

Use an adjustable wrench to loosen the nuts on the old flange bolts. Once the nuts are loose, you can remove the bolts by hand. If the bolts are seized, you may need to use a hacksaw or reciprocating saw to cut them off.

Step 2: Clean the Flange

Once the old bolts are removed, clean the toilet flange thoroughly with a rag and some plumber’s putty. This will remove any debris or old sealant that could prevent the new bolts from sealing properly.

Step 3: Apply Plumber’s Putty

Roll a small amount of plumber’s putty into a rope and place it around the base of the new flange bolts. This will help to seal the bolts and prevent leaks.

Step 4: Insert the New Bolts

Insert the new flange bolts into the holes in the toilet flange. Hand-tighten the bolts until they are snug.

Step 5: Tighten the Nuts

Use an adjustable wrench to tighten the nuts on the flange bolts. Do not overtighten the nuts, as this could damage the flange or the bolts.

Step 6: Reinstall the Toilet

Place the toilet over the flange bolts and align the holes in the toilet base with the bolts. Gently lower the toilet onto the bolts and hand-tighten the nuts.

Step 7: Finish Tightening the Nuts

Use an adjustable wrench to finish tightening the nuts on the flange bolts. Again, do not overtighten the nuts.

Seal the Base

Once the toilet is in place, seal the base with a bead of silicone caulk. This will help to prevent leaks and keep the toilet securely in place.

Tips for Success

• If the toilet is particularly heavy, have a helper assist you with lifting it.
• If you are having difficulty removing the old bolts, try using a penetrating oil to loosen them.
• Be careful not to overtighten the flange bolts, as this could damage the flange or the bolts.
• If you are replacing the toilet flange, be sure to use a flange that is the correct size for your toilet.

Troubleshooting

If you are experiencing leaks after replacing the toilet flange bolts, check the following:

• Make sure that the bolts are tight enough.
• Make sure that the plumber’s putty is properly applied.
• Make sure that the toilet base is properly sealed.

Takeaways

Replacing toilet flange bolts is a simple task that can be completed in under an hour. By following these steps, you can ensure that your toilet is securely installed and leak-free.

What People Want to Know

Q: How often should I replace toilet flange bolts?

A: Toilet flange bolts should be replaced every time the toilet is replaced or the flange is repaired.

Q: What is the best way to remove seized flange bolts?

A: The best way to remove seized flange bolts is to use a penetrating oil to loosen them. If the bolts are still stuck, you may need to use a hacksaw or reciprocating saw to cut them off.

Q: Can I use any type of sealant to seal the toilet base?

A: No, you should only use silicone caulk to seal the toilet base. Other types of sealants may not be waterproof and could cause leaks.