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scottp
Joined: 17 Jun 2012 Posts: 110 Location: Fort mcmurray
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Posted: Sat Sep 14, 2013 9:25 pm Post subject: Loosing coolant |
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Have a kem Efi 350 and have to add coolant every few trips out. not much maybe a cup but i shouldnt have to add any. Pressured cooling system up and after 3 hours lost about 2 psi next time going to try after boat is warm. Question is if my gaskets in my exhaust manifolds are starting to leak since this is higher pressure then the water is this a possible spot for my coolant to be deciding to leave my engine,? |
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shallowman
Joined: 03 Apr 2006 Posts: 199
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Posted: Sun Sep 15, 2013 11:05 am Post subject: coolant |
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Hi , it is a very good place to look , if you have the manifolds with a bypass hose from top to bottom then i would say no , if there is no little hose there then more then likely , also another real good thing to do is just replace your rad cap they can wear out and not hold pressure like new , thats the first thing i would do
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conehead
Joined: 02 Sep 2009 Posts: 19 Location: Lloydminster
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Posted: Sun Sep 15, 2013 8:52 pm Post subject: |
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your cooler could have a crack, leak which puts coolant into the exhaust and out the back end. Last year had a cracked tube in cooler which did same thing. remove and take to rad shop to seal up bad tube. |
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scottp
Joined: 17 Jun 2012 Posts: 110 Location: Fort mcmurray
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Posted: Sun Sep 15, 2013 11:06 pm Post subject: Coolant |
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I hope it's not cooler just installed a new one last year it be my luck tho lol how often do the exhaust gaskets go bad? |
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BLOWN INCOME
Joined: 07 Jul 2005 Posts: 127 Location: van down by the river
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Posted: Mon Sep 16, 2013 1:12 pm Post subject: |
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Do you run a reservoir tank |
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murr190
Joined: 26 Dec 2011 Posts: 23
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Posted: Mon Sep 16, 2013 1:15 pm Post subject: |
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i know with my exchanger it always runs about half an inch below the fill neck, and if i fill it right up will spit out the over flow. _________________ 1997 20FT Outlaw Nahanni SD309, SBC.
"NO PROPLEMS" |
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scottp
Joined: 17 Jun 2012 Posts: 110 Location: Fort mcmurray
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Posted: Mon Sep 16, 2013 9:36 pm Post subject: |
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It has a surge tank, might just change the exhaust gaskets for piece of mind |
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fx87
Joined: 25 Oct 2009 Posts: 32
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Posted: Thu Sep 19, 2013 7:04 pm Post subject: |
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One of mine did that kind of thing it was heater hose |
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scottp
Joined: 17 Jun 2012 Posts: 110 Location: Fort mcmurray
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Posted: Tue Oct 15, 2013 8:33 am Post subject: |
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I checked further and turned out the surge tank had a crack all good now |
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