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#432357 - 08/28/08 06:33 PM Volvo Penta freshwater flush system  
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firecadet613 Offline
Serenity Again
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Admiral

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Indiana
My boat has the freshwater flush adapter installed on it. Is it safe to run the engine while its hooked up to this, or only when you have the muffs on the outdrive?


2008 Four Winns V318 T-5.0 DTS
#432373 - 08/28/08 07:38 PM Re: Volvo Penta freshwater flush system [Re: firecadet613]  
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Hockey Family Offline
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Safe

I don't use muffs at all anymore. Only use the flush adapter to flush the engine, while running.


HF
2006 Monterey 214FS
Volvo/Penta 5.0 GXi SX
#432376 - 08/28/08 07:48 PM Re: Volvo Penta freshwater flush system [Re: Hockey Family]  
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firecadet613 Offline
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Indiana
Awesome. I was just flipping through my owners manual and service manual to try and figure out how to winterize this boat and its fresh water system (I like to be prepared way before it gets cold), compared to the Merc in my last boat, and it didn't say anything about running it on the freshwater flush with the engine on. The guy I bought the boat from did it once, but he didn't seem to be that mechanical.


2008 Four Winns V318 T-5.0 DTS
#432383 - 08/28/08 08:38 PM Re: Volvo Penta freshwater flush system [Re: firecadet613]  
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CMJ Offline
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Thats the way I do mine a lot of the time too, I use muffs sometimes also, no problem either way.


Take care,
Chris
06 Monterey 248 LS
#432384 - 08/28/08 08:43 PM Re: Volvo Penta freshwater flush system [Re: CMJ]  
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trooplewis Offline
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San Diego
I think it is 2003 and newer model you can run the engine while flushing through the onboard fitting.

Older ones you have to use muffs. Has to do with the position of the impeller on the newer/older models.

#432386 - 08/28/08 08:48 PM Re: Volvo Penta freshwater flush system [Re: trooplewis]  
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Silverbullet Offline
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Boise, ID
If your boat doesn't have the flush system you can run the boat off it can actually be added. Found the info on marinepartsexpress.com at the bottom of the page.


James
2002 Cobalt 226 VP 8.1GIDP
2007 Chevy 2500HD Crew Cab Duramax
1988 Suburban 3/4 Ton
2000 Subaru Forester


#432396 - 08/28/08 09:41 PM Re: Volvo Penta freshwater flush system [Re: Silverbullet]  
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datkins Offline
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wi
Page 83 of the 2004 operator's manual: Volvo Penta engines incorporate an engine flushing port designed to flush the engine with fresh water while the engine is running.

#432742 - 09/02/08 05:15 PM Re: Volvo Penta freshwater flush system [Re: datkins]  
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seabuddy Offline
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Good system.

#432889 - 09/02/08 11:46 PM Re: Volvo Penta freshwater flush system [Re: seabuddy]  
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mike343 Offline
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Not so for 2002's. Have to use muffs.

Mike


mike 343
#432898 - 09/03/08 12:19 AM Re: Volvo Penta freshwater flush system [Re: mike343]  
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Silverbullet Offline
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Boise, ID
Originally Posted By: mike343
Not so for 2002's. Have to use muffs.

Mike


You can change it to make it work like the 03 and beyond if you want to.

http://www.marinepartsexpress.com/engine_flush.html

Last edited by Silverbullet; 09/03/08 12:19 AM.

James
2002 Cobalt 226 VP 8.1GIDP
2007 Chevy 2500HD Crew Cab Duramax
1988 Suburban 3/4 Ton
2000 Subaru Forester


#432963 - 09/03/08 11:02 AM Re: Volvo Penta freshwater flush system [Re: Silverbullet]  
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BToran Offline
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not sure, but i don't think the engine should be run above idle on muffs or a flush port. at least that's what i was told on our old boat.


Bruce Toran
Former Owner of a 1996 Carver 320 Voyager
-----------------------------------------
"Don't Eat Anything Bigger Than Your Head"
#432968 - 09/03/08 11:08 AM Re: Volvo Penta freshwater flush system [Re: BToran]  
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Silverbullet Offline
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Boise, ID
On muffs I will run up to about 1200 RPMS with good water pressure.


James
2002 Cobalt 226 VP 8.1GIDP
2007 Chevy 2500HD Crew Cab Duramax
1988 Suburban 3/4 Ton
2000 Subaru Forester


#433044 - 09/03/08 04:39 PM Re: Volvo Penta freshwater flush system [Re: Silverbullet]  
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J&J Offline
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Does this "engine flushing port" allow fresh water directly into the block, or does the engine have to be warm enough to allow the theromstat to open before getting to the block?


smile 2005 Glastron GX205 - 5.0GXi
2014 Ram 1500 Crew Cab
#433071 - 09/03/08 05:40 PM Re: Volvo Penta freshwater flush system [Re: J&J]  
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Hockey Family Offline
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The flush does not go directly into the block.
I was told by the dealer to allow the temp to come up to operating, to allow the thermostat to open, then continue to flush for 5 mins or so.

That's what I do.


HF
2006 Monterey 214FS
Volvo/Penta 5.0 GXi SX
#433073 - 09/03/08 05:43 PM Re: Volvo Penta freshwater flush system [Re: Hockey Family]  
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Hockey Family Offline
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oh, BTW...

I also put a brass quick connect fitting on the flush port tube, with a shut-off valve. This is to avoid needing to deal with the plastic cap it comes with.
thumb


HF
2006 Monterey 214FS
Volvo/Penta 5.0 GXi SX
#433211 - 09/04/08 08:12 AM Re: Volvo Penta freshwater flush system [Re: Hockey Family]  
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seabuddy Offline
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Warm, as Hockey Family said.

#435655 - 09/16/08 08:36 AM Re: Volvo Penta freshwater flush system [Re: firecadet613]  
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Keukasmallie Offline
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Where does one insert the "T" for this system on a VP 1998 GS 135 engine? Just before the impeller....?

#437071 - 09/26/08 09:37 AM Re: Volvo Penta freshwater flush system [Re: Keukasmallie]  
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Graham R Offline
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UK
Yes,

It goes just before the impellor.

Graham


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