Originally Posted by ballengerb1
Each handle will have its own cartridge, is that what you found? You will need to shut down the main and remove both cartridges again. Hold a towel over the two openings and have someone else open and close the main to clear the lines. Inspect the inlet port for debris and clear that with air or water, grease the valve bidy hole with plumbers grease and reinstall the cartridges. You should be good to go but write back if you did not get great pressure when you held that towel over the hole.