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Sea Water Pump Leaking Water into the Bilge

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Sea Water Pump Leaking Water into the Bilge

Old 06-10-2014, 09:55 AM
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Default Sea Water Pump Leaking Water into the Bilge

Is this a serious problem? The mechanic at my marina said it could wait until winter to repair... They want $550.00 to replace it, I imagine it is also something I could do myself?

The boat is an '02 Glastron 279 with a 5.7l Volvo Penta Gi...
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Old 06-10-2014, 09:57 AM
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It is never a good idea to have a continuous leak w/ the salvation being working bilge pumps.

Fix it.
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Old 06-10-2014, 10:00 AM
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+1 and it can be sucking air which will reduce water flow potentially leading to overheating.
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Old 06-10-2014, 01:45 PM
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I don't know about that particular pump but I just fixed another volvo pump that was leaking. 2 x $10 seals from the seal shop and about an hours work from start to finish.
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Old 06-10-2014, 03:40 PM
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Seals usually go because a bearing is getting loose
The bigger problem is going to be the water being thrown by the leaky pump. All over the pullies which will rust destroying the belt. I would also worry o both the fuel pump if it's the volvo with the vast mounted on the front of the engine. Not to mention if the seal is bad the bearings are getting wet. How long until a bearing locks up from rust and the pump quits where will you be?
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Old 06-10-2014, 05:07 PM
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$30 bearing and a $10 seal and a $2 O ring. You will need a bearing/pulley puller to disassemble, but you can probably get a suitable one for $30. Allow yourself 2 - 3 hours for the whole job (first time) or a bit more if anything is corroded in place. There is probably even a Youtube video somewhere telling you how to do this. My attitude is don't throw money at Volvo's disgusting parts pricing unless you have to. Did the mechanics offer to look at rebuilding your pump for you? For them say 30 minutes labour and $80 parts with their markup, plus the removal and reinstallation that they will have to do anyway. Lot cheaper than $550 for a new one, but then they make less money if they rebuild it. Maybe it is another of Volvo's 'non-serviceable' parts that can usually be fixed for peanuts but Volvo only sell as complete units?
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Old 06-10-2014, 10:24 PM
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if it is the RW pump on the engine, not a saltwater washdown pump, don't run the engine until you fix or replace the pump .

A quick search of Volvo Penta pump 21212799 ( which replaces # 3812519) shows you can save hundreds from that quoted price for new , and ebay shows a rebuild service for $150:

http://www.ebay.com/itm/Volvo-Penta-...item20dd2f0ec4
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Old 06-11-2014, 04:38 AM
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If it's the crank mounted style Volvo pump, piece of cake to replace yourself...
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Old 06-11-2014, 05:19 AM
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+1 TTaxi.... The guy doing the rebuild service on ebay is A+. Quick turnaround and very easy to deal with. He often has new or rebuilt pumps ready to go, as long as you send him your old core; he'll either rebuild it for you or send you a replacement.
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Old 06-11-2014, 05:33 AM
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So your marina mechanic can see into the future? Call your insurance company and see if they have the same vision into the future as well.

I see your mechanic's point of view - you don't want to loose any possible boating time now. Besides, it's only a $550.00 repair. There's enough other work for him right now - but in the winter, he would love to keep busy by replacing the pump, rusted metal, and leaking head/cracked pistons, etc. Besides, there won't be as big mark up on the job in the winter.

There's just too many crazy people/worry warts in this world - like those that, get this, even carry spare sea water pumps on their boats "just in case" there is a problem with the one on the engine. GEEESh! I bet they even have more than one bilge pump as well!
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Old 06-11-2014, 05:49 AM
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Repair or replace pump, if you don't take the time or spend the money on keeping your boat up, then you should'nt be boating.
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Old 06-11-2014, 06:01 AM
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Originally Posted by ITman View Post
Repair or replace pump, if you don't take the time or spend the money on keeping your boat up, then you should'nt be boating.
Going on that criteria I would say 50% of the world's boaters shouldn't be on the water
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