Fresh Water / Coolant Pump

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Bob S

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Sep 27, 2007
1,805
Beneteau 393 New Bedford, MA
I have a M25XP on my boat and have been toying with the idea of making serpentine pulleys for it over this winter. The weather has been incredible and put a quick end to a marginal ski season. Back to work.

Has anyone ever had to change their coolant/water pump. On my boat it sits directly behind the face of the settee door. I had a bear of a time removing the pulley and installing the new one. I had to remove the teak door trim and cut a radius with a Dremel tool in the fiberglass. I dread the day I have to change the pump or the impeller inside it. I can't imagine having to remove the propeller shaft to raise the engine off her mounts just to get at it. :eek: They sure don't make things easy do they! I hope these things are more reliable than the fuel pump I replaced last season.
 
Feb 26, 2004
23,101
Catalina 34 224 Maple Bay, BC, Canada
Bob, even with a higher output alternator, if you have one (I forget, please excuse me), with good belt tension (not too tight) that pump will last for a looooong time.

I have 2500 engine hours (knock on wood), a friend had over 500 without having to replace it.

How many engine hours do you have?
 

Bob S

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Sep 27, 2007
1,805
Beneteau 393 New Bedford, MA
Around 450, not many considering the year. Not a job I'll look forward too!
 
Mar 11, 2010
292
Catalina Tall Rig/ Fin Keel Deale, MD
Bob, that motor is only just over 300lbs. It'll come out in a jiffy. The galley cabinet, some hoses, some wires, some bolts. A come-along, and lift away. What's the idea for serpentine pulleys come from?
 

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