496 Mag Seawater Pickup Pump??
#11
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Re: 496 Mag Seawater Pickup Pump??
Good job! When the impeller totally fails you can spin that pulley with your fingertips. That moderate resistance kept you from doing a lot of unnecessary work.
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Re: 496 Mag Seawater Pickup Pump??
DAVIS,
Yes it can be because you are running the pump dry till water gets to it for that reason among others its a good idea to run at least two gal of anti freeze through it (pink w lube)
Yes it can be because you are running the pump dry till water gets to it for that reason among others its a good idea to run at least two gal of anti freeze through it (pink w lube)
#13
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Re: 496 Mag Seawater Pickup Pump??
Originally Posted by GOODT
DAVIS,
Yes it can be because you are running the pump dry till water gets to it for that reason among others its a good idea to run at least two gal of anti freeze through it (pink w lube)
Yes it can be because you are running the pump dry till water gets to it for that reason among others its a good idea to run at least two gal of anti freeze through it (pink w lube)
Interesting...
My 496HO as 200 hrs... Should I perform your test or should I replace the impeller right away?
#14
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Re: 496 Mag Seawater Pickup Pump??
Originally Posted by JS232
Interesting...
My 496HO as 200 hrs... Should I perform your test or should I replace the impeller right away?
My 496HO as 200 hrs... Should I perform your test or should I replace the impeller right away?
Just replace it every season and you won't have any problems.
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Re: 496 Mag Seawater Pickup Pump??
Those Mercury brass pumps are about $500 each plus replacement cost. I would suggest installing the fine sand raw water strainer thats made by CP Performance. It does cost about $400, but its really a life saver when you don't have to loose a pump in the "season" or on a "great trip". It has clear cylinder sides, you can see the debris before it needs changing and it keeps it out of the coolers and the rest of the raw water system. This way the only part of the pump you will replace every few seasons is the inexpensive impeller. Its a billet part that is beautifully made and if you have a 496, you should have this strainer! PS. I am not getting any commissions on these parts and I don't work for CP! HA!
Ray @ Raylar
Ray @ Raylar
#16
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Re: 496 Mag Seawater Pickup Pump??
Originally Posted by davis777
I hooked up the hose today just to bring the engine up to temp. I try to do it every 3 weeks or so during the winter months.
#17
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Re: 496 Mag Seawater Pickup Pump??
Originally Posted by JS232
should I replace the impeller right away?
I always did and continue to...