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WARNING when replacing a motor on a northstar you must match the hp and service factor.. say its a 1.1/2 hp motor and the service factor 1.47 you will need a 2hp with a 1.15 service factor to replace that original motor .if you replace it with a 1 1/5 motor it WILL BURN UP THE MOTOR !!. welcome to the hayward northstar . only the 2 speed motors have a start switch the CAPACITOR would be my first check it may be a 30 or a 35uf at 370 cap LOOK IN YOUR AREA FOR YOUR LOCAL POOL PUMP MOTOR REPAIR GUY WITH FREE TESTING USE YOUR ZIP CODE IN YOUR SEARCH
check all hoses going to water pump and make sure they are not leaking, if hoses are not leaking then pump is going out. need to replace asap, if car has northstar engine DO NOT GET IT HOT average cost to replace head gasket on northstar is $2300.00 plus
Most are counterclockwise rotation. If you have the fly wheel the spokes double as cooling fins for the pump. The rotation will be blowing on the pump regardless which way the wheel is mounted. If you have no fly wheel then all I can say is all the Northstar pumps I've ever seen are counterclockwise rotation.