How do i remove the cartridge from a moen pull out spayer

How to Remove the Sprayer on a Moen 7900 Faucet

1. Turn off the valves under the sink by rotating the valve handles counterclockwise.
2. Hold the hose in one hand and push upward on the hydrolock connection with the other to disconnect the sprayer from the diverter. ...
3. Pull the sprayer straight upward and out of the guide.

https://homeguides.sfgate.com/remove-sprayer-moen-7900-faucet-83422.html

yes most moen faucets use a cartridge inside that will need to be replaced

There is a plastic retainer not with two tabs used for removal. You will need a removal tool to get this retainer off. Any plumbing supply that carries Moen should have this tool.
After removing the retainer nut, the cartridge pulls right out. Good luck!

Yep, you have a bad cartridge and a diverter, the handle leaks all come from the cartridge

just remove the handle expose the U clip that keeps the cartridge in place. This is were yo will need a handle puller to extract the old cartridge. When you get it out make sure you clean out the inside befrore you place the replacement unit it. If not the junk will mess up the work you just did.

Make sure you use a food base lube to make surre the new one going in with out cutting O rings.

While you have to spout removed youo will see the diverter and pop that iut and put in a new one and the water to the spray unit will work like new.

Hope this helped you out, Be safe and take care
Tom
please take a second to rate us for its the only way if we know what kind of a job we did for you.:)

Look around in the box and your work area it sounds like the rubber seal is not in the connector.

Moen has a diverter built in that will need to be replaced.

use the same steps as when you replaced the cartridge, but this time you will need to remove the spout, there is a small diverter, you will see it when spout is removed.

take this part with you to the hardware store, along with the O Rings from the spout, as they will need to be replaced also

use a non silicone faucet lubricant when putting back together

Most MOEN single handle faucets use the same cartridge, the 1200 or 1225. If you have it apart enough to see the top there should only be a few more parts to remove to get at the stem ie the handle and cap. Once there you should see the horse shoe clip that holds the stem in. Once you slide the horse shoe clip off, the stem should be ready to go. Now sometimes these will come out easily, but most of the time they are a little tough. You can use a crescent wrench and gently turn the cartridge at the ears where the horse shoe clip was removed and this will loosen the cartridge, then you can use the handle or what ever you can grab the stem with to pull it out. FYI a lot of the home improvement stores carry a MOEN cartridge puller and they make it a lot easier. After cartridge is removed install new one and your done. DONT forget to turn off water before you begin. Hope this helps.

By "leak in the stem" I assume you mean you're getting water in the cabinet below the faucet. High likelihood is it's the hose - either loose where it connects to the faucet or the sprayer. You can pull it out and check to be sure it's tight at the sprayer. To check the faucet end, you'll need to be under the cabinet with a light. If you don't find one of those connections loose, it's likely one or the other is leaking, due to a hose defect or washer (or missing washer).
The only way to see that is to turn the faucet on full (cold) with the sprayer pulled out and look for a leak in the hose behind the sprayer. If not there, leave the water running (may need another person to hold the sprayer) and inspect under the cabinet with your light for a leak either in the hose or at the connection to the faucet. If the problem is the hose or one of the nuts, it's an easy deal to buy a replacement hose - Home Depot stocks Moen.

A stem is a cartridge in a real old valve. You have pulled retainer clip, you can try to pull it out with pliers, but you might need a moen cartrigde puller.

http://www.moen.com/browsecatalog/catalog/specpartsearch.cfm?location=TopNavCustomerSupport

Moen uses a cartridge on their faucets. You have to remove the handle. You will find the stem and a small U shaped retainer. Pull the retainer out and pull the cargridge straight up. Sometimes the cartridge is in there pretty tight and you have to pull hard. Once you do this, take the cartridge to your local hardware store. Replace it with the one you have because they have 2 different one. Install it back in the same order it was removed. Hope this helps and good luck.