If the faucet is leaking from under the handle replacing the cam and packing should solve the problem.
Delta faucet leaking under handle.
Insert an allen wrench into the rubber seat tilting it slightly to catch the spring.
For faucets purchased prior to 2007 please order rp1050 cap and rp61 cam and packing.
Remove the nut that holds the horizontal rod to the body of the pop up stopper.
Then remove the faucet handle body and set it aside.
Place handle on stem and rotate counterclockwiseapproximately 1 4 turn after the stop has been contacted.
Do not pry the valve cartridge out of the bodywith a screwdriver.
And take a picture of the stem unit before you remove it with the channel locks.
Lift out the seat and spring.
Do not cover the outside of the.
Toremove seats and springs remove valve cartridge.
Reattach the nut that holds the horizontal rod to the pop up body.
Lift the stopper out.
When troubleshooting a leaking faucet choose your delta faucet type identify your leak location in the diagram and review the associated solutions and recommended replacement parts.
Unscrew the stem unit nut with channel locks.
Test to see if water is leaking around the flange by plugging your drain with a rubber stopper.
Leaks from under the handle.
Unscrew the delta faucet handle by hand and use an allen wrench to loosen the set screw that holds the handle body in place.
Do this for both hot and cold sides.