Things You'll Need:
- Plumber's pliers or wrench
- Flat-head screwdriver
- O-ring
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Step 1
Turn off the main water supply.
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Step 2
Using your flat-head screwdriver, remove the screw cover on one of the knobs. Remove the screw holding the knob to the stem. Unscrew the bell (this is covering the stem) by twisting the bell counter-clockwise.
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Step 3
Use your wrench and unscrew the stem bonnet.
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Step 4
On the bottom of the stem, there is an o-ring that is held in by a screw. Remove the screw and the o-ring.
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Step 5
Put the new o-ring in and secure with the screw.
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Step 6
Put the stem back into opening and tighten the stem bonnet.
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Step 7
Put the bell back on and then the knob. Put the screw cover back on. You might as well replace both the hot water and cold water washers while the main water is turned off.
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Step 8
Turn the water back on.






