Hello everyone. Glad to be here. I truly appreciate it if someone could help me with my boat's cooling issue.
I have a 2005 Carver 36 Mariner with two 5.7 liter Crusader engines. Starboard engine's cooling system has air in it that is causing over heat!! I would like to bleed the air out but do not know how to do it! Please help me out and let me know what the procedure is for bleeding out the air from the system. If you know of any videos or picture please send them to me. I can not thank you enough.
Thanks,
Hamid
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cooling issue
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hamidm
Topic author
- Scurvy Dog
- Posts: 6
- Joined: February 5th, 2022, 12:31 pm
- Vessel Info: 2005 Carver 36 Mariner. AOL: 37 feet. Vertical length around 14' 1". Beam: 12' 9". Draft: 37". Twin engine Crusader 5.7 liter. 320 HP each. 170 hrs on both engines.
- Location: Etobicoke, Canada
- Has thanked: 1 time
- Been thanked: 1 time
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km1125
- Admiral
- Posts: 3524
- Joined: February 28th, 2017, 6:04 pm
- Has thanked: 72 times
- Been thanked: 1054 times
Re: cooling issue
EDIT... actually First, WELCOME ABOARD!!
And second... are you sure you have good impellers in the raw water pumps?
And second... are you sure you have good impellers in the raw water pumps?
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waybomb
- CYO Moderator
- Posts: 2540
- Joined: February 5th, 2013, 9:24 pm
- Vessel Info: 1995 Boston Whaler Rage15
1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glasspar / 1967 Johnson Electromatic 85 - Location: Saint Joseph,Mi
- Has thanked: 57 times
- Been thanked: 444 times
Re: cooling issue
Welcome aboard!
Somebody with more experience than me can help with the crusaders. I've heard of this issue on these engines.
On a couple of my cars, with separate cooling and intercooling systems, I must use a vacuum system to fill them. That may or may not be the answer for this.
Somebody with more experience than me can help with the crusaders. I've heard of this issue on these engines.
On a couple of my cars, with separate cooling and intercooling systems, I must use a vacuum system to fill them. That may or may not be the answer for this.
Thanks
Fred
1969 Glaspar Avalon /1967 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572 ci
1995 Boston Whaler Rage
Past - 1988 2807, 1989 4207 Aft
Fred
1969 Glaspar Avalon /1967 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572 ci
1995 Boston Whaler Rage
Past - 1988 2807, 1989 4207 Aft
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RGrew176
- Admiral
- Posts: 6458
- Joined: August 17th, 2015, 4:07 am
- Vessel Info: 2022 Stingray 182 SC
- Location: Southgate, MI.
- Has thanked: 72 times
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Re: cooling issue
Welcome Aboard. Hope you find the solution to your problem.
Rick Grew
2022 Stingray 182 SC
2004 Past Commodore
West River Yacht & Cruising Club
2022 Stingray 182 SC
2004 Past Commodore
West River Yacht & Cruising Club
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hamidm
Topic author
- Scurvy Dog
- Posts: 6
- Joined: February 5th, 2022, 12:31 pm
- Vessel Info: 2005 Carver 36 Mariner. AOL: 37 feet. Vertical length around 14' 1". Beam: 12' 9". Draft: 37". Twin engine Crusader 5.7 liter. 320 HP each. 170 hrs on both engines.
- Location: Etobicoke, Canada
- Has thanked: 1 time
- Been thanked: 1 time
Re: cooling issue
Hi,
Thanks for your response. Yes, I have brand new impeller on both engines. Water flow from both exhausts are excellent.
Hamid
Thanks for your response. Yes, I have brand new impeller on both engines. Water flow from both exhausts are excellent.
Hamid
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hamidm
Topic author
- Scurvy Dog
- Posts: 6
- Joined: February 5th, 2022, 12:31 pm
- Vessel Info: 2005 Carver 36 Mariner. AOL: 37 feet. Vertical length around 14' 1". Beam: 12' 9". Draft: 37". Twin engine Crusader 5.7 liter. 320 HP each. 170 hrs on both engines.
- Location: Etobicoke, Canada
- Has thanked: 1 time
- Been thanked: 1 time
Re: cooling issue
I had this problem on the same engine two years ago. I asked a mechanic to repair it. He did bleed the air out, but he made sure that I was not present while bleeding the system. He just showed up without me and took care of the problem When I asked him why he did not call me before showing up, he just said, it was a last minute cancellation by another customer so he decided to just come by and fix the problem. I GUESS, IT IS CALLED JOB SECURITY!! Anyway, I am definingly sure I have air in the cooling system.
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km1125
- Admiral
- Posts: 3524
- Joined: February 28th, 2017, 6:04 pm
- Has thanked: 72 times
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Re: cooling issue
Those engines are outfitted with a "degas bottle" (which looks like an overflow tank) that's supposed to prevent air pockets from forming. How full is the degas bottle? (when cold it should be at or only slightly above the fill mark).
The one thing you can try is to drain the degas bottle where there's only a little antifreeze in the bottom (maybe 1/2 or 3/4") and use a wet/dry vac to apply vacuum to where the cap is. If the antifreeze disappears, then add some to bring it back to 1/2-3/4" and use the vac again. Keep doing that until the antifreeze stays at the same level. Then you can refill to the proper level (only up to the add mark!) and put the cap back on and see if that resolved the problem.
The one thing you can try is to drain the degas bottle where there's only a little antifreeze in the bottom (maybe 1/2 or 3/4") and use a wet/dry vac to apply vacuum to where the cap is. If the antifreeze disappears, then add some to bring it back to 1/2-3/4" and use the vac again. Keep doing that until the antifreeze stays at the same level. Then you can refill to the proper level (only up to the add mark!) and put the cap back on and see if that resolved the problem.
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hamidm
Topic author
- Scurvy Dog
- Posts: 6
- Joined: February 5th, 2022, 12:31 pm
- Vessel Info: 2005 Carver 36 Mariner. AOL: 37 feet. Vertical length around 14' 1". Beam: 12' 9". Draft: 37". Twin engine Crusader 5.7 liter. 320 HP each. 170 hrs on both engines.
- Location: Etobicoke, Canada
- Has thanked: 1 time
- Been thanked: 1 time
Re: cooling issue
Thanks a lot km1125. I will give it a try and hope for the best. Thanks again!!
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hamidm
Topic author
- Scurvy Dog
- Posts: 6
- Joined: February 5th, 2022, 12:31 pm
- Vessel Info: 2005 Carver 36 Mariner. AOL: 37 feet. Vertical length around 14' 1". Beam: 12' 9". Draft: 37". Twin engine Crusader 5.7 liter. 320 HP each. 170 hrs on both engines.
- Location: Etobicoke, Canada
- Has thanked: 1 time
- Been thanked: 1 time
Re: cooling issue
Hello everyone,
I lifted the degas bottle up with the cap removed. started the engine and let it warmup. As soon as the antifreeze started to boil and pour out of the degas bottle, lots of air bubbles started to be released as well. Within 5 minutes all the air was out and the antifreeze level was stabilized. I just added some more antifreeze to bring it to the proper level and I was all done. Ran the engine for 15 minutes the other day and everything seems working fine.
I would like thank everyone for all the help.
Best regards,
Hamid
I lifted the degas bottle up with the cap removed. started the engine and let it warmup. As soon as the antifreeze started to boil and pour out of the degas bottle, lots of air bubbles started to be released as well. Within 5 minutes all the air was out and the antifreeze level was stabilized. I just added some more antifreeze to bring it to the proper level and I was all done. Ran the engine for 15 minutes the other day and everything seems working fine.
I would like thank everyone for all the help.
Best regards,
Hamid
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