How-to Fix a Toilet Flush

How-to Fix a Toilet Flush

Tools you need:

  • Replacement Flush Valve
  • Channel-locking Pliers
  • Adjustable Wrench
  • Replacement Flusher
  • Sponge
  • Towels
  • Bucket
  • Penetrating Oil
  • Large Slotted Screwdriver
  • Plumber's Wrench

Step 1: Disable the Water Supply

First, remove the lid from your toilet tank, this will allow you to disable the water supply. This is done by turning the shut-off valve clockwise. Make sure to hold the flush lever down to drain as much water as possible out of the tank. Then use a sponge or towel to get rid of any remaining water.


Step 2: Disconnect Toilet Attachments

Now you need to disconnect the water supply tube or the hose from the tank, the refill tube that is attached to the top of the overflow pipe and the flapper chain from the tank lever arm. Apply penetrating oil to the bolts underneath the tank and unscrew them till the tank detaches from the bowl.


Step 3: The Tank

Next using an adjustable wrench to loosen and eventually remove the tank bolts. You will now be able to lift the tank from the bowl and by placing it to one side it will be easier to work on. Then using a plumber's wrench, unscrew the lock nut which is holding the flush valve to the tank and remove it.


Step 4: The New Flush

Following the manufacturer instructions install the new flush valve in the same way you removed the old one. Once this is done use tank bolts to attach the tank back to the bowl, the flapper chain to the flush level arm and the fill tube to the new overflow pipe.


Step 5: Reconnect the Water Supply

All that is left to do is reconnect the water supply to the tank. Then turn the water back on and test your new flush valve. Make sure to check for leaks.

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