Question about Mercury Impeller, Water Pump - MerCruiser engines with engine mounted sea water pumps 1999 and older

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Location of water pump in a 2002 5.7 mercruiser in my boat

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In the lower unit there is on and on the front of the engine block is another.

Posted on Sep 11, 2013

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I have a 1998 sea ray boat

If Mercruiser its corrosion at pump/relays.

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1995 115 hp mercury water pump installation

the water pump is at the bottom end of the leg just above the gear box
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if its not on the engine driven by the fanbelt then its in gearbox ! P...

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Mercruiser 5.7 litre inboard engine Impeller fault

You could be right. Check your idle rpm to see if the motor DIESELS after shutdown. See if linkage and carb setting can be reduced for RPM. Last, check your timing. If it has springs in the distributor you should not see rust powder on pivot points. Binding would keep engine overadvanced at shutdown. Then basic timing could be off too.

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time to get rebuilt
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