My submersible pump recently started short-cycling. I put some soapy water around the air valve stem at the top of the tank and got bubbles. Please note that the bubbles are NOT the result of a loose or leaky valve CORE. The valve is the same as used on automotive rims for tubeless tires. The manual (Sears) gives a procedure for replacing this valve if it leaks which involves emptying tank of water and air, cutting off the valve stem as close to tank as possible, pushing remaining part of valve into tank, disconnecting pipe at bottom and removing flange, pushing bladder to one side and reaching in the tank to remove the portion of the valve that fell into the tank when the part on the exterior of tank was cut off, finally pushing a new valve thru the hole from the INSIDE of the tank and pulling it thru with a valve stem pulling tool and then putting it all back together and recharging. MY QUESTIONS: isn't there an easier way? Is there any kind of sealant or epoxy that could be applied from the outside? Is it really necessary to remove the part of the valve that falls into the tank, especially if a new valve can be installed from the outside? It can't contaminate the water which is isolated inside the baldder. Grateful for any advice.
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