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454 Mag Impeller replacement?

Discussion Forum at MarineEngine.com » Mercruiser Sterndrive » 454 Mag Impeller replacement? « Previous Next »

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John P
Member
Username: jpflhr

Post Number: 43
Registered: 08-2006
Posted on Wednesday, October 14, 2009 - 04:45 pm:   Edit Post Delete Post View Post/Check IP

I have a 94 454 Mag with a Bravo 1 - I am looking at replacing the impeller on the seawater pump. -Can this be done without removing the sea water pump from the engine? It has the fuel pump on top of it and was not wanting to mess with that and Vbelts---
The pump was replaced in 2005 but feel need to change impeller as being now 4+ yrs old.

Is there any instructions for this?

The rebuild kit I was told to buy is 46-807151A14 comes with 1 piece housing
47-59362T6 Impeller kit comes with out housing

John
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Rick Sweeten
Senior Member
Username: linesix

Post Number: 1604
Registered: 11-2002


Posted on Thursday, October 22, 2009 - 09:34 pm:   Edit Post Delete Post View Post/Check IP

Yes, it is possible although depending on access provided by the boat manufacturer, sometimes it's easier to pull the pump.
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John P
Member
Username: jpflhr

Post Number: 44
Registered: 08-2006
Posted on Friday, October 23, 2009 - 01:20 pm:   Edit Post Delete Post View Post/Check IP

Thanks looks like I change and acess is good-- Going to give it a try and if no good will remove the pump
Thanks
John
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Bondo
Senior Member
Username: bondo

Post Number: 2075
Registered: 12-2006


Posted on Saturday, October 24, 2009 - 07:48 am:   Edit Post Delete Post View Post/Check IP

Ayuh,... Do yourself a Favor,...
Pull the pump,+ rebuild it on the Bench...

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