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Gastank removal and welding issues

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 8_YOUR_H2, Jun 10, 2001.

  1. 8_YOUR_H2

    8_YOUR_H2 1/2 ton status

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    I am going to weld on a roll pan and its pretty close to the gastank. I am using an arc welder. If I dont take off the tank do you think Ill go boom? Any one out there lost any body parts doing this who have a tip for me?
    Wow thanks guys
    Brent
     
  2. UseYourBlinker

    UseYourBlinker 1 ton status

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    You should be fine! Unless you are welding the rollpan to the gas tank[​IMG]


    <A target="_blank" HREF=http://community.webshots.com/user/vwryda>http://community.webshots.com/user/vwryda</A>
     
  3. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    I would never do any welding close to the tank...its not worth the risk to yourself or others. Do everyone a favor and drop the tank. Its easier than you think and a lot safer!

    Can you guaratee there are no leaks, imperfections etc in your tank and all the fittings? Do you really want to find out with a 'spark test'?

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
     
  4. Adrock

    Adrock 1/2 ton status

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    i just replaced my rollpan and rear floor section, i removed the gastank. better to be safe than sorry. its not that hard anyway. just remove as much gas as you think you need to, or all of it, remove the skidplate and then the gastank. a floorjack works good to bring it down if its a little heavy. i actually replaced my tank while i had it out with a 41 gallon tank from summit. guess thats it. good luck.

    Adam
    a.k.a. Adrock
    88 Chevy Blazer FI 383
    "With great power there must also come great responsibility" -Spiderman
     
  5. beefcake83

    beefcake83 1/2 ton status

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    I agree to be safe that you should drop the tank first. I just got through dropping mine to weld in a new shock mount in the frame. Was easy to do, and it gave me a chance to clean out alot of rocks and dirt, as well as spray some undercoating in where the tank lives. - Gary

    Gary Graham
    '83 GMC Jimmy 350 'Beefcake'
    Eielson AFB, Alaska
    Metallica & Mountain Dew
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  6. laketex

    laketex 3/4 ton status

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    stuff wet rags around the tank and you should be fine. I welded to my shackles with the tank in, no prob. Our company installs truck equipment and we weld by the tank all the time, no way we'd remove the tank. Just use caution and judgement. If you dont get the tank or hose hot, how is welding by the tank going to cause it to blow up? Yall have been watching too many movies. LOL [​IMG]

    <font color=red>Sherman, Tx
    "I'd Rather Be a Fencepost in Texas than the King of Tennessee" -Chris Hall
    TEXAS COUNTRY PRIDE
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  7. Boss

    Boss 1/2 ton status Author

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    DepDog told me that if you weld near the tank, make sure the tank is full. If it's empty, the the vapors can cause to blow. But if full, then it'll just catch on fire (if it does). But he said he welded near it a bunch of times before with no probs.
    But with that said, everytime I welded near the tank, which is more times than I care to remember (tailpan replacement/floor replacement on one truck and then floor replacement on another), I dropped the tank.
    Boss

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