Low water pressure after replacing shower faucet cartridge

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gmangehl

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I have a Moen shower faucet with a pull and turn handle. I replaced the faucet cartridge tonight and now have less water pressure. I opened both the cold and hot screws but can't get enough pressure?? Any help would be appreciated!
 
Take the cartridge back out and see if some rubber pieces or debris might have gotten stuck. Turn the main on slowly with the cartridge out to see if any debris flushes out.
 
Thanks for the tip!! I did manage to flush out a small pc of rubber but still low pressure. I ran the water at full pressure with the cartridge out. I did this several times to make sure any debris were flushed out. I even took the pressure balance valve out and it moves freely (not seized up)
Still no pressure. Any other suggestions?
 
You may have a piece of rubber lodges within the faucet itself. You may need to remove it and give it a blast of air backwards through it.
 
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