That's a good idea. One time I lost an impeller and incorrectly attempted to backflush the oil cooler without unhooking the intake hose from the seapump. This resulted in me flushing many of the rubber impeller parts into the outdrive. You can imaging the problem that caused. Backflushing showed odd water flow back out of the pickup ports which indicated something was in the drive interfering with the water flow.

I am still working on this. I put the pump back on last night and cranked the boat with the hose off trying to feel if there was any suction on the hose. There was very little if any at all. I should have filled the hoses with water and put the hose in a bucket to see if it would pump. I am planning on doing this tonight when I get home. If the pump isn't pumping then I am looking at finding a serpentine crankshaft pulley and bolting a different type of pump to the crankshaft. I still haven't given up a air issue in the drive but I want to make sure the pump is pumping properly first. I will let you know what I find out tonight. Oh and talking about running the boat with the water hose in the outdrive hose, when we did this my buddies house has 50 psi from his well so this might have helped when we ran the boat and water came out the exhaust.

Thats right. When you just have the garden hose shoved in the 1 1/4" intake hose you have no pressure. If the water stops overflowing when the the engine starts running the pump is working.

I filled the hoses up tonight and put the hose in a bucket of water and it never sucked water. So I am back to thinking its a pump issue. I have another impeller ordered and hopefully it will be here Thur. and I will install it and try again. If that doesn't work I will get a different style pump and bolt on the crankshaft. Anybody have any idea where I can get a serpentine crank shaft pulley?

Did you try switching the hoses on the pump to ensure you are sucking out of the bucket with the intake side of the pump?

if this is a volvo pump im suprised,,those pimps kick A$$..
also check the impeller to make sure its locked on to the shaft,also make sure its not broke away from where its molded to.

I agree with mrfixxall, I have turned volvo pumps by hand and moved water. I would think if the hoses were backwards it would blow the water out of his bucket. I would lean more towards the impeller slipping on the shaft or something similar.

I agree with mrfixxall, I have turned volvo pumps by hand and moved water. I would think if the hoses were backwards it would blow the water out of his bucket. I would lean more towards the impeller slipping on the shaft or something similar.

The shaft is splined and the impeller is a new impeller. I haven't looked closely at the impeller but it has been taken out and put back in numerous times and I haven't noticed it slipping. The only other thing I though about last night was when I got the pump the bearing was locked, the seal was bad and the impeller was bad. I bought the new bearing, seal, and impeller and my buddy who helped build my motor installed everything. He did take a sanding wheel and quickly went around the housing removing some corrosion. I don't know if he took to much off the housing and it could be drawing air. In looking at the housing with the impeller in it there appears to be no gaps. I'm just going to take the whole pulley/pump system off tonight and go through it and see if can see any issues with it. Its tight qaurters in the boat trying to look at this thing and you can't see the front of it while its in the boat. Also when the pump was originally put back together a pertroleum lube was used to lubricate everything but I saw on the volvo website they said to use a glycerin lube. Could this cause a issue?

Tonight I removed the whole pump/pulley and tore it all apart to see if I could see any issues. I couldn't find any issues, cleaned it up and put it back together. I ran some water in it and spun the pulley and the water did go down and come out the exit side. When I put my hand over the inlet and spun the pulley no water came out and the level of water never dropped. To me this sounds like its not sucking properly. There were no issues with the impeller spinning on the hub as I could hear and see it spinning inside the housing.