Deleted
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Post by Deleted on Aug 4, 2013 18:00:33 GMT -6
I attempted to unscrew my fuel filler cap and verify that the vent line was still attached and I could only pull up the cap about 1/2". Best I could figure is that is still connected. I decide to go ahead put my lock on the fuel cap. Its not much, but its better than nothing! At least a thief or vandal will have to work for it to steal gas or put water in the tank.
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Post by Juan on Aug 4, 2013 18:26:02 GMT -6
Actually that's not too shabby... I was wondering how you were going to lock that thing.
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Post by Simple Man on Aug 4, 2013 18:40:43 GMT -6
That's friggen awesome! I would give you karma if I still could!
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Post by Simple Man on Aug 5, 2013 8:31:02 GMT -6
Thanks freezerfiller! I didn't know we could like stuff now!
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Deleted
Deleted Member
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Post by Deleted on Aug 16, 2013 20:09:50 GMT -6
***** Update ***** So in the past week we have had 2.5" of rain. I decide to open up the deck plate and check out and see how much water is in my fuel tank. As I open up the Deck plate is see this! As you can see there is water just about fully covering the the fuel gauge sender. You can tell the tank is sucked in a bit from the air/tank cooling down. So seeing this I decide to put 3psi worth of air to the fuel system through the main filler cap to make the water run off the tank and into the lower unit and out the back of the boat. It sat at 3psi and I heard no leaks. I listened under the console, in the deck plate, and in the back lower hull and heard nothing! Once its pumped up a little all the water runs out and the top of the tank by the sender is a little wet so I dry it up. I then tank the Fuel level sender off and sure enough there is some water in the tank. There is probably about 1/8" or water in it now and it was bone dry the last time is opened her up and vacuumed it out. I walk around to the back of the boat and I see that there is probably about 1-2 gal of water that has run out. Well now to my conclusion! I believe that it has not been sabotage. I believe that with all the hot weather we have had that the tank swells the air leaks out. Then we get some nice rain and the tank and air in the tank contracts. This causes a vacuum and then when the rain pools on top of the tank covering the fuel level sender it eventually gets sucked into the tank. It takes it a while but with enough time and rain I can see how 5+ gal could have gotten into the tank with 5+ inches of rain in a weeks time. Now for my Solution. So I have two options: 1. Keep running off the 6 gal soare tank I have been. This will limit my fishing to lakes and small trips. The way I fish lakes this is ok, but I carry a 5 gal gas can for when I run out to fill back up the small tank. 2. I fix the fuel sender leak and put a gasket under it and replace the SS machine screws as they are all almost stripped and hard to get tight enough. This way I can utilize the full 54 gal tank and will be able to take trips to the coast and fish bigger lakes. I choose # 2 as it is proper fix. However, once it's fixed and I am sure its not getting any more water into the main fuel tank I will keep the spare tank in the boat JIC. I hope this helps anyone else that may have the same issue. Its been an adventure! I troubleshoot and setup things for a living so all I had to do was apply the same analytics to this situation.
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Post by flintlock on Aug 17, 2013 4:53:34 GMT -6
Your tank should have a breather vent line so it cannot pull a vaccume or build preassure with the change in temp. the vent on my Sea-Pro is on the outside of the hull just below the fuel fill cap.
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Post by Simple Man on Aug 17, 2013 6:20:19 GMT -6
Your tank should have a breather vent line so it cannot pull a vaccume or build preassure with the change in temp. the vent on my Sea-Pro is on the outside of the hull just below the fuel fill cap. Yep. I think you are on the right path with your diagnosis less the vacuum part. Edit: after further review, I see that your vent relieves into your filler neck so if the gas cap is tight it could build a vacuum I guess but if the sending unit it sealing tight enough to build a vacuum then now water should be leaking in unless the fuel/air is contracting and sucking some of the water in that's surrounding the sending unit but not all. Either way,you need to get the sending unit to seal off first and see if that solves it. Good luck.
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Deleted
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Post by Deleted on Aug 17, 2013 16:00:13 GMT -6
Yeah that has to be sealed either way. I am not sure of the tank shape or position. However, I know that water sits on top of the tank even when the trailer is jacked all the way up. So it has to have some sort of top that is sagging in somehow and holding A LOT of water! Well, at least enough to leak into the tank through the fuel level sender's lack of a seal.
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Deleted
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Post by Deleted on Jul 18, 2014 1:56:08 GMT -6
Water in gas tank-Fuel line problem, needs fuel water separator. SV1900CC/Yamaha four stroke 90 HP(saltwater). The boat is new to me and I had it to the mechanic after it kept stalling. Mechanic was a Yamaha certified mechanic. He said the boat was improperly set up. The fuel lines require a fuel water separator as the gas tank keeps getting water in it. Has anybody had this problem before -Are there any other remedies.
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Post by freezerfiller on Jul 18, 2014 6:19:15 GMT -6
Yep, your mechanic is correct. You should have an inline fuel water separator. They are relatively inexpensive and easy to install. I think they even sell them at wal mart. Before you do it though, you should probably pump out a fair amount of fuel in a jug until you don't see any significant water in it. If ethanol fuel was used, you may need to drain the tank. I'd also inspect your fuel vent, sending unit, gas cap to find out how that much water got in there in the first place....
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985crabs
Captain
2000 V1900 Bay Series, Yamaha 150 Carb. 2
Posts: 1,309
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Post by 985crabs on Jul 18, 2014 12:12:37 GMT -6
Salty,
I've read this story and it is certainly perplexing. I am going to back you up on your vacuum theory. I have the same vented fill cap you do on my 1900 Bay Series. I was out in it one day and I noticed that the fuel bulb was flat as a pancake while running fast. It turns out that that little black screw-thing on the underside of the fill cap was screwed all the way tight and no air was passing through it. I loosened it and the fuel bulb remained its normal egg-shape while under way. If yours is all the way tight, your vent line may not be allowing air into the tank and you could be getting a vacuum like you said.
Now, I think If I were you I'd be equally concerned as to why there's enough water collecting under my deck to virtually submerge my fuel tank. That can't be right or good. It makes me wonder if you don't have one or more of those 'glassed-over drain holes' the Sea Pro Boat builders seemed to be fond of creating. I'd definitely take care of the sending unit gasket, etc., but I'd get the water out of the hull first.
Everyone here knows I have a tremendous grasp of the obvious.
Crabs
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Post by Simple Man on Jul 18, 2014 13:58:23 GMT -6
Crabs, salty hasn't posted in this thread for almost a year. That said, it would be nice to get an update from him!
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985crabs
Captain
2000 V1900 Bay Series, Yamaha 150 Carb. 2
Posts: 1,309
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Post by 985crabs on Jul 18, 2014 14:29:10 GMT -6
I'll be...I didn't even notice. I guess that Musky fella bumped this thread back to the top not Salty. My bad. See Simple Man, that's why you're a moderator. Cross, I think I fished Lake P the same day. Weather Boob said 1-3 mph out of the North. Launched by myself for the first time (rather skillfully, I must add)and headed for the bridges. I had my CO2 inflatable vest on and even had the kill switch attached to my belt. I lasted about an hour before I jettisoned bait and headed for the marina. Couple days later I got my dog out for his boat ride. It took my pushing and my wife pulling to get him off the dock, but once he got used to it I think he really enjoyed himself. Maybe I have a new fishing buddy! Tight Lines
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Deleted
Deleted Member
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Post by Deleted on Jul 20, 2014 1:35:31 GMT -6
Thank You Good Advise...
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tcrab90
Sailor
Sea Pro 2002 SV2100 - - 140hp Suzuki
Posts: 35
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Post by tcrab90 on Jul 29, 2014 19:59:38 GMT -6
Does anyone know where to buy a quality fuel sending unit gasket? I replaced the whole fuel sending unit on my 2002 SV2100 Sea Pro last year but still noticed that gas leaks a little bit through the gasket after I fill up the 54 gallon tank (actually, I only put about 46 gallons in it recently and it still leaked a little bit). After smelling fumes, I checked the tank and noticed this. I guess I can buy another basic quality gasket but didn't know if they made a better grade gasket.??
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tcrab90
Sailor
Sea Pro 2002 SV2100 - - 140hp Suzuki
Posts: 35
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Post by tcrab90 on Jul 30, 2014 20:14:23 GMT -6
Thanks for the response. I will try to tighten the bolts just a little bit to see what that does. If that doesnt work, I will check out West Marine.
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tcrab90
Sailor
Sea Pro 2002 SV2100 - - 140hp Suzuki
Posts: 35
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Post by tcrab90 on May 8, 2015 20:03:07 GMT -6
Okay, I think I may have stripped out the female threads on my tank since gas is slightly leaking through the sending unit gasket. It only does this when I am in a couple of feet seas with the gas tank over half full. Could I use wider screws to tighten down the fuel sender? Maybe that will give me a better seal.....
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Post by Simple Man on May 10, 2015 7:08:33 GMT -6
Plastic tank? I think it has nuts set into the plastic right? Maybe you stripped the plastic out around the nut letting it free spin? I've never faced this problem so I'm going to hope someone else on here has. I know I was real leery of doing that when I had one leaking on another boat. It didn't look like it would take much to strip it out.
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tcrab90
Sailor
Sea Pro 2002 SV2100 - - 140hp Suzuki
Posts: 35
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Post by tcrab90 on May 11, 2015 20:08:54 GMT -6
Yes, plastic tank. You are probably right. I probably stripped the plastic out around the nut letting it free spin. I assume thats what happened as I can keep turning the screws and they do not stop. Yikes!
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Post by baitchucker on May 29, 2015 12:40:08 GMT -6
I've been having fuel related problems in my 2004 190 for a year now. After four trips and $3000 dollars to the mechanic, I had lots of new injectors and a motor that was getting tired of being torn apart, but still no idea how water was getting into the tank. I finally figured out a month ago that the drain hoses that Sea Pro installed to the cup and rod holders in the center console were routed to the top of the fuel tank. The OP here may have had similar issues. Everytime it rained or I washed it, water would accumulate on top of the tank. Whenever I got the boat back from the mechanic, it would run good for a while, but not for long. I would take it to the mechanic and he would find dirty injectors and water in the motor. Rain was getting onto, and somehow into, the fuel tank. I have since replaced the fuel sender gasket even though it looked ok. I don't know if the problem is fixed or not, but I have rerouted the hoses to the side of the fuel tank and will keep a cover on the center console too.
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