All air leaks have their origin somewhere before the pump on the suction side of the system. Left unaddressed it will cause other problems as well, and those problems could have minor or major impact. This type of cleaner utilizes the power of your pool’s pump to help remove dirt and debris at the bottom of your pool. My pool pump primes but will not hold suction and the water flow quickly drops from 10 to 20 psi to 2 or 3 psi. Swimming Pool Pump Turns on But Does Not Circulate Water. My pool pump primes but will not hold suction and the water flow quickly drops from 10 to 20 psi to 2 or 3 psi. Excess air in your pool’s pump and filter is much more than just a nuisance. When I run the pump on filter it has low suction, but if I "block" the hose on the cleaner with my hand the suction builds up and is very strong, but as soon as I let go it gets weak very quickly. The easiest thing to do to fix this problem is to lift the skimmer lid, take the filter out, clean it, and then replace it. It was cleaned out and had the DE powder added back in. Everything is just on 7 months old - pool, pump, filter and everthing worked fine till about a week ago. If your pool pump sounds like it’s running with rocks inside the pump basket, it might be starved for water.This can be attributed to a couple of different things. Ok so heres my problem, I just bought a new Hayward pool vacuum and the suction is too low to operate it, it just sits there. The Pool Pump is Making a Loud Screeching Noise or Sounds Like it’s Full of Rocks. In my pool, I have occasionally neglected to check this filter and it has become clogged. Low pressure can normally be a suction side issue. ... All air leaks have their origin somewhere before the pump on the suction side of the system. When the pressure drops, the pump cannot work efficiently—resulting in a pool that gets dirty faster that it can be cleaned. Hi, I have replaced the sand in my pool filter with a sponge medium. The pump pot lid should have a good o-ring. So, when they start sucking air, that’s a problem. After backwashing or cleaning the filter (and pump basket), you have what is known as the clean, or start-up pressure on the gauge. Usually, it’s because of a bad thread sealant, crack in the pump, an air leak in the suction line, a plumbing issues on the suction side of the pump, or a leaky valve stem. One of the more common problems with water pumps is a reduced or lower than expected water flow. The suction on my hose is comparable to a shop vac or less. As a result the pool vacuum cleaner is running terribly slow. Your water pump is primed and the liquid is flowing… kind of. He snaked through the pipe that was auctioning the water in and got some leaves out. One of the main pool pump problems I hear from customers is"the pump is running but its not pumping any water". I have a 10000 gal pool that was having issues with suction. If the suction side connection is loose this will cause the pump to suck air when attempting to prime and either significantly impair it from fully priming or prevent it from priming at all. I have a DE filter. Hi Michael. I have started having endless problems with my pool pump. It is the symptom of a problem – one that could be a minor or major fix. When the pressure drops, the pump cannot work efficiently—resulting in a pool that gets dirty faster that it can be cleaned. An air leak is caused by a problem on the intake side of the pump. Pool pumps leak in two ways: water may leak out or air may be sucked in. The reason I am confident that pump suction is low due to air being sucked in, is because sometime back unknowingly I had opened the clear pump lid to remove the waste. When the filter pressure gauge is HIGHER than normal - this means the filter is dirty or some other obstruction is occurring AFTER the pump. Here's What You Need to do ... Is the plumbing going into or out of the pump loose? Screeching or gargling noise can be frustrating for pool owners and surrounding neighbors.