Stinky boat :-( Sulphur smell
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=3130
Printed Date: January-16-2025 at 8:05am
Topic: Stinky boat :-( Sulphur smell
Posted By: markb
Subject: Stinky boat :-( Sulphur smell
Date Posted: March-04-2006 at 12:24am
Hi,
The past couple of weekends I've gone in my '76 boarding the boat has emitted a god awful sulphur smell.
Seems to be coming from the under the bow and only when engine is running.
I get under when the boat is stopped and it smells okay..
Considering there is sulphuric acid in the battery do I have a battery issue? Overcharging or something that means I should replace it?
Thanks
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Replies:
Posted By: JEFF KOSTIS
Date Posted: March-04-2006 at 6:55pm
If it were your battery, you would see some fresh acid coming out of it if you can smell it like that. If it does, then your alternator is overcharging the batt and has a problem. Sulfur smell usually smells like a match. Usually vehicles when you work them will burn crap out of the catalytic converter due to the heat which smells like that. Never heard of it in a boat though.
Jeff...
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MUSTANG COUNTRY
http://www.correctcraftfan.com/diaries/details.asp?ID=1074 - 1974 Mustang 17
http://www.correctcraftfan.com/diaries/details.asp?ID=1093 - 1976 Mustang 17
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Posted By: markb
Date Posted: March-04-2006 at 11:26pm
I think it's the voltage regulator, noticed the alternator was charging at 18V all day. I thought this was indeed unuusal but the smell must have taken away my wits and I didn't connect the two things...
So I guess I'll be pulling of ther alternator for a repair this Monday.
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Posted By: JEFF KOSTIS
Date Posted: March-05-2006 at 7:16pm
You certainly want to get that fixed. It probably boiled the batt over and killed it. If acid got out of the batt box, it would be a good idea to flush the hull front to back.
Jeff...
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MUSTANG COUNTRY
http://www.correctcraftfan.com/diaries/details.asp?ID=1074 - 1974 Mustang 17
http://www.correctcraftfan.com/diaries/details.asp?ID=1093 - 1976 Mustang 17
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Posted By: markb
Date Posted: March-05-2006 at 10:40pm
Alternator is off and off to the auto electrician.
I'll check out the battery to see whether it's all freaked out etc. Is there any way I can test this..ie testing voltage with a multimeter etc?
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Posted By: nuttyskier2002
Date Posted: March-06-2006 at 7:20am
The only thing you can check using only a multimeter is the charge condition of the battery. A fully charged battery will read 12.6 volts. If the voltage is higher it is said that the battery has a "surface charge". To test any more than this you'll need a battery load tester. Most places that sell batteries will have one. Take it and have it tested. That's the easiest!
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95 Malibu Echelon w/Mercruiser 350 Magnum Skier
Former boats:
88 Ski Centurion Tru Trac II
59 Chris Craft Capri (woody)
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