To figure out the next step look at the faucet and try to understand how it was put together then go in reverse advises richard.
Single handle kitchen faucet leaking under sink.
Do it yourself kitchen faucet repair.
The diagram below is a general representation of this faucet type showing common replacement parts.
This leads to a wobbly faucet base that can cause difficulties when turning the faucet off and on and cause leaks.
Identify the area that is leaking.
Since most kitchen faucets these days are single handle faucets that s what we ll talk about here.
Tools you will need to repair a faucet leaking from the base.
This single handled kitchen faucet has a cartridge under the handle.
You ll need some basic tools for this repair including.
Causes of the leak.
Faucet is leaking or dripping from the handle.
My faucet is leaking under the sink 24 hours a day including when it s not in use.
Description of the leak.
The cartridge has holes that mix the hot and cold water to deliver different temperatures depending on how the handle is turned.
If you do not find the answer you need here please use the technical document search to find maintenance instructions for your specific model.
On very old sinks the drain strainer and tailpiece unit on the sink may be worn out.
Find project details with a tools and materia.
How to fix a leaky kitchen sink at the supply line.
Then find the solutions to that area below.
First turn off the water supply to the faucet.
How to tighten a loose kitchen sink faucet the faucet handle and base are the two critical points that often become loose.
Watch how to figure out the problem and repair a single handle faucet.
With this leak water will leak from the area where the handle attaches to the faucet body after the water has been turned off or while the faucet is still on.
If it is the sink drain opening or the fittings on the drain p trap that are leaking this is also usually a matter of tightening the drain connections.
This troubleshooting document relates to standard pull out and pull down kitchen faucets.
1 the store bought supply line designed to connect faucet supply to shut off valve angle stop.
Dripping leaky faucet driving you nuts.
Not all leaking under a sink comes from the faucet.