Help! Cooling issue! No water to the motor!

[erikj]

I actually thought it might be that too but that is after where I tried the bucket test, so it is from the fake a lake, past the vdrive then water filter then I put the bucket then the transmission cooler, then the water pump. So it would have to be before the water filter. Appreciate all the help

Sent from my SM-G950U using PLT Nautique mobile app

Sent from my SM-G950U using PLT Nautique mobile app

[erikj]

I actually thought it might be that too but that is after where I tried the bucket test, so it is from the fake a lake, past the vdrive then water filter then I put the bucket then the transmission cooler, then the water pump. So it would have to be before the water filter. Appreciate all the help

Sent from my SM-G950U using PLT Nautique mobile app

[t.franscioni]

Here's a pic of the tranny cooler. This is from a GT40. If you have the Excalibur it might be a little longer than this one. But you can see there's plenty of room for clogging in there. Pretty sure this is inbetween your water filter and water pump could be wrong though... this would be the only point of blockage to your raw water pump from your filter where you said you do have water?

[t.franscioni]

Check your transmission cooler. It could be plugged. It's the only component between your water strainer and your raw water pump if I recall.

[erikj]

Well just tried the bucket challenge and it works, from fake a lake to filter is clear but just will not suck up water from there.. any ideas? Test it at the lake maybe?? Also, the intake if you are looking at the back of the boat is on the left? Was in my moomba.. and what is the ball valve? Thx guys

Sent from my SM-G950U using PLT Nautique mobile app

[Fgroce]

When I replaced my impeller I also replaced the thermostat. When I did I found that pieces of an old impeller plugged up in the port of the thermostat housing going to the risers on the exhaust manifolds.

[t.franscioni]

Just skimmed through here so might have been covered already but did you verify your main intake ball valve was open (if your boat has one) where the fake a lake is attached. Not sure if you said your getting no water at all or just water to your pump. If no water at all check that intake ball valve and verify your fake a lake is on the engine water intake pickup and not a ballast water intake pickup.

[erikj]

Yeah Jimbo, tight belt, new o-ring, no blades missing (but might check thermosat just in case), plunger fake a lake. Thanks man

Sent from my SM-N920V using Tapatalk

[Jimboslice54]

Not to be the guy who points out the obvious, but did you tighten the belt back on the impeller pulley?
Did you replace the o-ring seal, could easily be sucking air there if it's not seated right.
How bad was the old impeller? If it was missing blades they could be clogging the hose to the thermostat, or blocked up in that housing.
What kind of fake a lake? Plunger underneath or in line tap?
Some taps have an anti back flow feature, may be in backwards. I've seen some intakes with a shutoff valve installed, is yours in the correct position.

Sent from my SM-G930V using Tapatalk

[erikj]

Sherwood ordered, hopefully that does the trick, thanks guys

Sent from my SM-N920V using PLT Nautique mobile app

[Quinner]

If you have not done anything else other then change your impeller the issue is most likely right there, ensure you have the pump/hoses correctly installed and unless that impeller is OEM replace it.

[erikj]

Yeah it would be nice if I could get a pic of the impeller to see that exact one but we had the intake hose off and one way it pushed water back (the wrong way) and the other way it pulled water towards the pump. I hear you guys on the impeller but the one I got was an exact replacement of the Sherwood (that I have used on another boat) and they seem to work good. The air leak is a definite possibility though.

[swatguy]

I would go buy the correct factory impeller as Quinner mentioned. Tolerances are key and you're sucking air from somewhere.


swcomd check the routing of your hoses. Maybe they somehow got reversed.

[erikj]

scottb7 This will sounds stupid but I don't think I have a heater at all. I have the hot water shower deal but pretty sure there is no heater on the boat but I could be wrong..

[erikj]

Guest actually the old one didn't work and that is why I was replacing it so must be something else going on. I think the bucket test might be a good option azeus17