If the case has not cracked, then try and rebuild the pump. A common fit rebuild kit for the Super Pump II series is part number SPX3000TRA. You can obtain this kit from a Hayward Pump parts supplier. Go to the Hayward web site ...www.hayward.com and search for the Super II Pump Series manual. There is a good diagram on page 11 that will help you. Read the instructions on how to pull the pump apart and reassemble it. Take pictures with a digital camera as you pull apart the pump and before you pull parts and gaskets off the pump and impeller assembly ... some of the parts require they be fit with friction surfaces in a certain direction and you will need to see how the gaskets were fit so you can replace them the same way. If you don't have pictures to refer back to, you may assemble the pump the wrong way and it will vibrate and continue leak and make a hell of a racket of noise.
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