Home › Forum › Ask A Member › 25/35 impeller housing know-how › Re: 25/35 impeller housing know-how
OK, guess I’m confused.
In any event, I would try to find the cause of your problem first. So, I would begin by pulling that gearcase back off and pulling the water tube out to check for bends/kinks/breaks. Then, try to have a look up inside the exhaust tube to see if the grommet/guide are messed up. If that stuff appears to be OK, I would get back to the water pump.
Does the engine seem to cool OK at low speeds/in neutral/at the dock? I guess what I am getting at is trying to pinpoint a possible air leak problem. This water pump is a tricky item, especially due to the added burden of having to seal that shift rod through the housing. Is the SS impeller plate mating surface on the gearcase in good shape, perhaps it is pulling exhaust through there.
Again, let’s pinpoint the actual problem first, I surely don’t want to lead you down a bad path.
Is this a fresh or salt water engine? Does it look like others have had the head/exhaust cover off before?