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Old 11-08-2014, 12:49 PM   #1
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Default Bravo water pump bearing rebuild

The bearings in my starboard water pump are failing, as evidenced by the annoying high pitch squeak. I've rebuilt the impellers before, so very familiar with the back half of the pump, but not familiar with the front half.

I can't seem to find a good manual or info online on replacing the bearings and seals. I'd like to be prepared before I open the pump.

Are the bearings and pulley pressed on the shaft, or just held in place with snap rings? Am I going to need a pulled and press to do this, or can I do it in the bilge with screw drivers and snap ring pliers?
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Old 11-08-2014, 01:10 PM   #2
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Kev see attached link to find Merc manual for you engine

http://boatinfo.no/lib/library.html
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Old 11-08-2014, 03:22 PM   #3
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Well, that site barely works, but ended up finding a manual download link on this site!

Sonufab........it requires a press. Dangit.
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Old 11-08-2014, 03:29 PM   #4
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Yep that site requires a newer computer and then some. Works well on one of my computers and not on the older ones. The files are big so they take some time to load.

I figured it was pressed on but busy working on wifes car and did not have time to look it up
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Old 11-08-2014, 11:28 PM   #5
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So, im thinking, maybe I'll just buy a whole new pump.... Those suckers are gold plated!!!
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Old 11-08-2014, 11:29 PM   #6
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What kind of prices are you finding?
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Old 11-09-2014, 01:15 AM   #7
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$300 ish for factory replacement, up to $700 ish for stainless versions.
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Old 11-09-2014, 01:10 PM   #8
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Don't recall seeing a stainless version but there is a brass replacement.

http://bpi.ebasicpower.com/p/GLM12097
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Old 11-09-2014, 01:32 PM   #9
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I saw the stainless version on some performance boat site. Interesting that the brass one is cheaper than the factory one on that site. I'm going to call my local shop tomorrow. Probably just pull the pump and take it to them to rebuild.
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Old 11-10-2014, 05:07 PM   #10
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Been calling around.... The labor alone is about the same as a harbor freight arbor press.... Hmmm, new tools????
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