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Whats this??

Discussion in '1982-Present GM Diesel' started by dallassnowman, Dec 8, 2003.

  1. dallassnowman

    dallassnowman 1/2 ton status

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  2. 4x4k20

    4x4k20 1/2 ton status

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    i think its a drain for the fuel tank , to seperate the water from the fuel.i had a 82 diesel that had it also. [​IMG]
     
  3. 6.2 man

    6.2 man 1/2 ton status Premium Member

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    Thats exactly what it's for !!Drain water out of the tank . Not sure how would have to look at my owners manual /forums/images/graemlins/rotfl.gif
     
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Well, if you get the water in fuel light coming on I'd let the truck sit overnight somewhere level (so the fuel and water can separate properly) then crack the petcock...water should come out first. Keep draining until you see diesel coming out and call it good.

    Rene
     
  5. ducttape114

    ducttape114 1/2 ton status

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    its funny, i have one of those on my drivers side that dosnt do anything. its just bolted to the frame.
     
  6. dallassnowman

    dallassnowman 1/2 ton status

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    Ok thats good to know, so how would i post a pic on here???
     

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