I noticed recently the return flow seemed to be really low and pressure has dropped from 15psi to less than 5. I can hook up my kreepy krawler and it'll work for about 2 min but the cleaner will eventually stop working because there's not enough suction. I cleaned out the pump basket and blew pressurized air in the lines thinking it will help unclog the lines but it's still acting the same. The pump sounds the same with no weird noises and I couldn't find any leaks. Is this a sign that my pump is failing? I haven't cleaned the sand filter in about 2 yrs but I really don't think that's causing the problem. It is an old "Jacuzzi" pump that came with the house. Probably over 15 yrs old.
Any help will be greatly appreciated.