Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to replace a toilet fill valve [title] Turn off the water supply. [step] Before doing any repairs to your toilet you should turn off the water outside of the toilet. You should have a water valve directly below the toilet tank.

Ending1: The water valve should be set to off when you make repairs to the toilet fill valve. Push the release lever down to turn off the water supply. Ending2: [substeps] If you are replacing a toilet fill valve off the toilet or if there is a missing water line, follow these steps: unscrew the engine cover and check underneath the tank for any gaskets. If the valve cover is dead or it has significant cracks, use a chisel or utility knife to scrape off any cracks or other damage. Ending3: It should be located between where the water pipe comes out of the wall and where it attaches to the bottom of the toilet tank. [substeps] In most cases, you will turn the water shutoff valve clockwise to turn it off. Ending4: If there is water pouring off of the toilet tank or onto the wall you may need to replace the fill valve. If you have already shut off water under the toilet tank you may only need to turn off it once.

Answer format: ending1/ending2/ending3/ending4