If everything is hooked up right and it is for sure spinning, not slipping.
A couple more things to check..
It's not priming due to insufficient pressure and water. Throttling may help or make it worse, be careful or prime everything(take hose off top of motor and fill both ways.) with water first, then try it.
The wear plate in the pumps other half is worn enough it's not pumping efficiently anymore and the cheesy garden hose is showing you the fault. Check wear plate.
You can also have a blockage farther in the system that's causing very high backpressure the pump can't overcome with a garden hose. Check your vdrive strainer to start...
You can remove the outlet hose on the water pump to make sure it pumps right and visually see it come out the other side first, then move on..
These are guesses as I am not there..
Last edited by Truekaotik; 01-18-2017 at 5:16 AM.
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