How To Fix A Leaky Bathtub Spout. If your bathtub spout twists onto the nipple in the wall the threads inside the nipple can crack or become corroded allowing water to leak from the back of the spout along the wall. Pry out the old packing washer with a small flat blade screwdriver or pick.
Use special plumber s grease. Shut off your water supply. Grease the stem threads and reinstall the stem in the bonnet.
If so the next step is to replace the faucet washer.
Grease the stem threads and reinstall the stem in the bonnet. For a diy project like this you only need products that you can either find around home or. If your handles are showing extensive signs of wear replacing them is the first step to fixing a leaking bathtub faucet as they may not be completely turning off the water after each use. Shut off your water supply.