Understood. I'm just trying to figure out all the possible reasons for air being allowed to enter. The fact that I can't pump air into the pump has be thinking that there maybe a piston seized or unable to move, possibly allowing air in through the long house at the end of the pump? I assumed...
I have a 2010 Sea Ray 250SLX with 496 Mag (base) DTS B3 Engine Serial 1A350455. Total hours 170. Sea Water Pump part number 862914T12. Boat is stored on a boat lift in the summer over salt water. Stored in non heated garage with multiple moisture packs.
I purchased it in 2018 with 120 hours. I...
