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Car guys: Water in my gas tank?!

Discussion in 'The Water Cooler' started by FEB, May 8, 2014.

  1. FEB

    FEB Grizzled Veteran

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    So I've had this little 1990 Vette convertible for over 20 years. It sat for like a year, covered. But, damn squirrels chewed a hole right where the gas cover is located (faces up).
    There is only a little drain hole in there, it got clogged and water seaped into the tank.

    Is my only option:
    syphon the gas out
    pour new gas in
    maybe some "heet"

    What about the bad gas in the line?
    If I keep cranking, will it eventually burn that stuff out?

    Any input would be much appreciated.
    It's getting nice out, and I want her back on the road!
     
  2. chopayne

    chopayne Die Hard Bowhunter

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    If there is water in the tank, siphoning out the gas won't work, you would need to do a total flush. As in taking everything out and going through a couple quarts. Or, since water is lighter than gas you could siphon out the top layer of gas and see if water is present. If you're talking about "heat" as in like warm air, id advise against it, but I have no clue why, it just doesn't sound like a good idea.

    I am not a mechanic, but I did have a jeep and I believe when people had water get into their tanks, they just did an engine flush.
     
  3. choppersk61

    choppersk61 Weekend Warrior

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    BTW... water is much heavier then gas...

    If you think there is a lot of water, yes you need to drain the tank out.

    If there is just a bit of water, some anti-freeze liquid (alcohol) will mix with it and make it burn.

    For the fuel lines, there isn't much fuel and it should go. Problem is if you crank it up and bring water in, the engine will stall.
    Cranking for long periods at a time will burn through a starter pretty quick, so be careful... only 3-4 sots of 30 seconds cranking and then let it cool off for a few minutes before cranking again...
     
  4. chopayne

    chopayne Die Hard Bowhunter

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    By gas I meant gasoline, I dont think anything anywhere in the car stores "gas" on a constant basis. No offense but im guessing because you're from canada you thought I actually meant "gas"? Im guessing it's the cultural difference in terminology.

    did you also mention putting in anti freeze to burn off the water in the gas tank?
     
  5. FEB

    FEB Grizzled Veteran

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    No, Heet is a Gas-Line Antifreeze and Water Remover.
     
  6. chopayne

    chopayne Die Hard Bowhunter

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    Ahhh, so choppersk wasnt as crazy as I was thinking. Uhm, should I be running that in my tank in cold weather?
     
  7. countryfamily

    countryfamily Weekend Warrior

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    You can also try adding some seafoam.

    Country_ Boy
     
  8. FEB

    FEB Grizzled Veteran

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    I think there's quite a bit in there. This happened to me years ago, I had it towed only to find out it was water.
    The car cranked right up, but after about 30 seconds started running real rough. I knew what it was right away.
    When I removed the cap, water was dripping out of it. This sucks
     
  9. FEB

    FEB Grizzled Veteran

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    No, he was also right about water being much heavier than gasoline (not gas), LOL
     
  10. chopayne

    chopayne Die Hard Bowhunter

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    Dude. I am stupid. I forgot about throwing gasoline in water and fire burning on top. WOW. I don't know why I was thinking the way I did.
     
    Last edited: May 8, 2014
  11. jrk_indle84

    jrk_indle84 Grizzled Veteran

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    If your worried about water making it into the engine and you do end up syphoning the gas out you could remove the gas line and crank it over then to clear line.

    With it being hard to say how much water made it in I would think draining the fuel out of tank may be best option.
     
  12. FEB

    FEB Grizzled Veteran

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    That's kind of what I'm getting at. I know there's a way to disconnect the line (or open a pressure relief valve?), and let the fuel pump do the work. But I'm not an engine guy, and don't want to blow up my car!
    I just watched a vid, where a guy didn't even crank it, just turning the key half way. And the pump was pushing gas out of the relief valve. I'm gonna have to see if my car even has that valve?
     
  13. FEB

    FEB Grizzled Veteran

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    Haha, it's all good. I can't remember my name sometimes :tu:
     
  14. jrk_indle84

    jrk_indle84 Grizzled Veteran

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    Yea if its got electric fuel pump shouldn't need to crank engine becausr it'll start pumping a little if the key is halfway. May haveta do it couple times.

    Not real sure on valve, most stuff I work on is equipment or older trucks that just need to run for the farm ha.

    Dang squirrels
     
  15. choppersk61

    choppersk61 Weekend Warrior

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    chopaye...

    You've already admitted not knowing much about cars.

    And we've already established that you don't know much about physics..

    Chemistry is not your strongest point either...

    Your geography seems to be borderline....

    Your knowledge of anthropology is embarrassing.....

    Yet you manage to keep a superior attitude and try to make fun of my attempts to help a stranger, how do you manage that?

    So just for your personal benefit:

    Canada, being so close to United States, is very similar in many ways...

    Yes we have cars too! and the vast majority run on gasoline, commonly called gas. Some run on diesel, and others run on compressed gas, like propane and natural gas.

    You will not fall into two feet of snow the moment you cross the border.

    And we don't live in log cabins surrounded by polar bears... They live a lot further up North.

    Should I keep going?

    So, possibly because I had similar problems in the past with vehicles and the fact that it does get cold in the winter where I live, I am very familiar with the use of gas line anti-freeze.
    The idea of putting gas line antifreeze is that the alcohol in it will mix with water and turn it into a flammable liquid (just like a good Scotch or any spirit will burn even if the alcohol content is only 40%).

    Anyway, good luck FEB in getting your car back on track, and sorry for trying to help from across the border...
     
  16. chopayne

    chopayne Die Hard Bowhunter

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    Canadia. You need to understand that I wasn't making fun of you at all in my statement to you. Don't know why you took it that way, but hey, thanks for the insults.

    Going to go kill some reindeer now to vent my frustration with Canadia.
     
  17. choppersk61

    choppersk61 Weekend Warrior

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    Reindeers live in Norway...not Canada
     
  18. Christine

    Christine Grizzled Veteran

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    How much gas is in it? How much water do you think got in there?

    Honestly, I'd just pour some seafood in there and let the car run through the gas. Usually it takes a pretty good amount of water in the gas for a car to not run at all.

    BTW, I would recommend not letting much gas sit in the tank while the car is mothballed.

    Sent from my SAMSUNG-SM-G900A using Tapatalk
     
  19. Christine

    Christine Grizzled Veteran

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    And kill more squirrels.

    Sent from my SAMSUNG-SM-G900A using Tapatalk
     
  20. chopayne

    chopayne Die Hard Bowhunter

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    You thinking clams.scallops mussels?

    I personally recommend a mixture of octopus and squid.
     

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