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Inspect Old Cartridge and Valve Body — Replace the Leaky Cartridge or Repair the Valve Stem

Beginner2 hours

Part of project

How to Repair a Leaky Shower Faucet: A Step-by-Step Guide · Step 4 of 4

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In this video

After successfully removing the cartridge, inspect the old part. The rubber gaskets are a common point of failure and may be torn or disintegrated, as shown in the video. Before installing a new cartridge, thoroughly clean the inside of the valve housing to remove any old gasket material or mineral buildup.

Goal: Assess failure and prepare for new installation

Used in this video

  • Flashlight · optionalInspecting the inside of the valve body
12.5K views452 minutes
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FAQs

How difficult is it for a beginner to repair a leaky shower faucet, and what's the trickiest part?

This project is rated 'beginner' because the steps are straightforward, but it requires patience and attention to detail. The trickiest part is often removing old, corroded screws or a stuck cartridge, which might require a bit more force or specific tools like a cartridge puller.

The project lists a flat-head screwdriver and pliers. Are these the only tools I'll need, or should I have others on hand?

While a flat-head screwdriver and pliers are essential, you might also need a Phillips head screwdriver, an Allen wrench (for some set screws), or an adjustable wrench for securing nuts. Having a utility knife for scoring caulk and a flashlight can also be very helpful to see into tight spaces.

What are some common mistakes beginners make when repairing a leaky shower faucet, and how can I avoid them?

Common mistakes include not fully turning off the water supply, stripping screws due to using the wrong size, or purchasing the wrong replacement cartridge. To avoid these, double-check the water is completely off, use the correct size screwdriver for all fasteners, and take the old cartridge to the store for an exact match.

Beyond the estimated 2 hours, how much should I expect to spend on parts for this repair?

The primary cost for this repair will be the replacement cartridge or a set of O-rings/washers. Cartridges typically range from $10 to $50, depending on the faucet brand and model. While the repair is estimated at 2 hours, seized or hard-to-remove components can extend this, so allocate extra time just in case.

Transcript
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Totally came off. I mean, I would not be surprised if the builders, when they did this, if they didn't put the oil on there like they're supposed to. Well folks, that's how it works. Hope you enjoyed the video. I've got links down in the description for the Moen Core Pooler, as well as replacement cartridges, including a heavy duty version that's made out of all brass.

Auto-generated transcript. May contain errors.