How do you replace impeller on performance boat?
How do you replace impeller on performance boat?
It is only three bolts and you have the whole assembly you can work on on your bench. So, remove hoses, unhook sending wires, loosen belt, and remove pump bracket bolts (3). Then you can take the pump apart on the bench, inspect for wear, and if good install new impeller, Reverse directions and you are good to go. It really is an easy job.
How old is water pump impeller on MerCruiser?
Replaced the water pump impeller, no change. Looked like it had a little scoring on the cover plate. The 2.5 year old impeller was frozen in the curled position, the blades were not even touch the sides of the housing on one side. The complete impeller was there, no pieces missing / broken.
How much does it cost to change a water pump impeller?
Marine quoted 600 bucks to change out the impeller and an extra 750 if it required the entire sea water pump and extra on top of that if the heat exchanger had to be back flushed to get out impeller bits, so this could run over 1500 for replacing a 35 dollar part. Sound high? Thank you for the advice!
What’s the worst design for an impeller housing?
The 496 has the worst design for an impeller housing, it’s the hardest to change. The newer ones with the stupid fuel cooler/filter assembly with the cartridge filter are even worse because it’s almost impossible to get the hoses loose from the side.
It is only three bolts and you have the whole assembly you can work on on your bench. So, remove hoses, unhook sending wires, loosen belt, and remove pump bracket bolts (3). Then you can take the pump apart on the bench, inspect for wear, and if good install new impeller, Reverse directions and you are good to go. It really is an easy job.
Where is the impeller located on a MerCruiser?
MerCruiser Diagrams: See various part diagrams for Alpha Sterndrive models with water pump impeller located in the lower unit as well as the Bravo Sterndive models where the Sea Water Pump Impeller is mounted within the engine mounted Sea Water pump. View Diagram s Step #1: Verify that the temperature gauge is reading accurately.
Marine quoted 600 bucks to change out the impeller and an extra 750 if it required the entire sea water pump and extra on top of that if the heat exchanger had to be back flushed to get out impeller bits, so this could run over 1500 for replacing a 35 dollar part. Sound high? Thank you for the advice!
The 496 has the worst design for an impeller housing, it’s the hardest to change. The newer ones with the stupid fuel cooler/filter assembly with the cartridge filter are even worse because it’s almost impossible to get the hoses loose from the side.
