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Bravo 3 impeller
Hey fella's! Trying to research b-3 impeller change. Has anyone done this? I believe the impeller is in the housing behind the starboard bottom pulley. If its simple and just a bolt on piece, it may save 450 bucks to have the merc guy do it, but at the same time, id pay it if its more complicated and requires a trained person to do, not risking a motor! [emoji23]
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Re: Bravo 3 impeller
I haven't done this replacement but the previous owner did and said it wasn't that hard. He is more of a management-type not a mechanic-type if you know what i mean.
There are plenty of youtube videos on this but the configuration of the surrounding accessories will be different. One example: https://www.youtube.com/watch?v=eZYJq746awc You could just replace the whole pump at about $300 but you can get an impeller replacement kit for about $60. |
Re: Bravo 3 impeller
The stock Merc pump is really not very good. It is partially made of plastic and the bearings tend to go. After multiple rebuilds of my Merc pump I recently switched to a GLM pump. It's all brass and bronze. The is also a stainless pump available but I can't recall the name at the moment.
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Re: Bravo 3 impeller
Its not hard, just takes a little time n frustration trying to reach behind it. Will be pulling mine again this year. Pay attention to the twist of the impeller!
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Re: Bravo 3 impeller
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Steve you can get the entire assembly and its a bolt on ready to go kind of deal? Thanks for sharing that im sure anyone with a bravo drive will appreciate it. '98 mariah shabah 180 5.7l 350 mag Bravo III |
Re: Bravo 3 impeller
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Does it always show a bit of wear when you change? '98 mariah shabah 180 5.7l 350 mag Bravo III |
Re: Bravo 3 impeller
Hunter,
Yes the GLM pump is direct bolt on. GLM Products Inc - Water Pumps. Not sure if you have the serpentine or V belt set up on your 5.7L but they have a model for both. The only part you use from your old pump is the bracket that attaches the pump to the block. The other option, which is a bit pricey, is the Hardin Marine Stainless pumps. They are all stainless steel with roller bearings, should last forever, and the should at their price. Hardin Marine - Mercury Sea Pumps Either option is a better pump than the stock Merc IMHO. |
Re: Bravo 3 impeller
Yes it will show wear. Too much n it may not prime with new impeller.
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Re: Bravo 3 impeller
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Thanks for the links steve. Im going to check that stainless pump. Im just going by what ive read but the rule of thumb is every 2 yrs to just change impeller? Its a small part that can destroy a motor, ive heard if your not paying attention and that overheat alarm goes off, theres most likely internal damage. Piece of mind for a really good pump is probably worth it. Thanks again man! '98 mariah shabah 180 5.7l 350 mag Bravo III |
Re: Bravo 3 impeller
https://uploads.tapatalk-cdn.com/201...50c45d891e.jpg
Im working with a rep on this right now! Thanks for line steve, i'll send pics once we fine tune it and i get er installed. '98 mariah shabah 180 5.7l 350 mag Bravo III |
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