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Duramax fuel tank capacity ?

This is a discussion on Duramax fuel tank capacity ? within the Duramax Forum forums, part of the General Discussion category; My buddy has a 2003 2500HD ext cab short bed and I was trying to figure out the fuel capacity. ...

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    The Flying Dutchman neevnav's Avatar
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    Duramax fuel tank capacity ?


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    My buddy has a 2003 2500HD ext cab short bed and I was trying to figure out the fuel capacity. He thought it was 80 litres (21 gallons) but I was pretty sure it was around 95 litres (25 gallons) and is there any difference between the ext cab tanks and the crew cab trucks?

    Thanks,

    Mike


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    IP0LLUTE BigDiesel667's Avatar
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    Re: Duramax fuel tank capacity ?

    Short bed is 26

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    IM MIKE D foreman00081's Avatar
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    Re: Duramax fuel tank capacity ?

    yup, 26 for short beds

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    Re: Duramax fuel tank capacity ?

    Negative. I have a 22 gallon tank.
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    The Flying Dutchman neevnav's Avatar
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    Re: Duramax fuel tank capacity ?

    Yeah I've heard CCs have a smaller tank.


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    DES=guilty til innocent H&S_Miner's Avatar
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    Re: Duramax fuel tank capacity ?

    google is your friend the ECSB was 26 gal.
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    The Flying Dutchman neevnav's Avatar
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    Re: Duramax fuel tank capacity ?

    Actually, I did try Google for about an hour, but could not come up with a conclusive answer about if the diesel tanks were a different size, or for that matter, if the crew cab tanks were either.

    But god forbid I would want to use a forum to ask.. my god... A QUESTION!! No, we can't have that, this forum is only for statements. Google has all the answers. We might as well shut this place down.


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    Registered User diesel625's Avatar
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    Re: Duramax fuel tank capacity ?

    look under the tank. it tells you what the capacity is. every ccsb i have seen has a 26.
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    Yeah its Bare Metal BISH! airhead's Avatar
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    Re: Duramax fuel tank capacity ?

    My low fuel light on my 06 comes on at 18-19 gallons? Seems weird that a 26 gallon tank would have the low fuel light come on with 7 to 8 gallons left?

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    Re: Duramax fuel tank capacity ?

    Quote Originally Posted by TexMax
    Negative. I have a 22 gallon tank.
    what are you basing that off of Tex? i have never heard of a dmax with anything other than a 26 or 34 gal tank. (34 being longbeds)

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    IM MIKE D foreman00081's Avatar
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    Re: Duramax fuel tank capacity ?

    Quote Originally Posted by airhead
    My low fuel light on my 06 comes on at 18-19 gallons? Seems weird that a 26 gallon tank would have the low fuel light come on with 7 to 8 gallons left?
    there seems to be a big range as to where the light will come on. a lot of guys with short beds say theirs are anywhere from 2-6 gallons left and guys with 34 gal tanks say theirs can be as much as 8 gallons. its weird really. i dont trust my light too much anymore cause ive driven 40 miles on the highway with my light on before and ive also had it come on in my driveway and ran out as soon as i got to the gas station not even 2 miles away. i think a lot of that had to do with the fuel moving from one end of the tank and letting air get sucked into the pickup causing it to stall out eventhough there was still fuel left.

    03 GMC 2500 HD CCSB duramax, 6" full traction lift. 37/13.5/20 Toyo Open Country MT's, ATS E-Power tuner, AEM intake, Stage 3 allison
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    Re: Duramax fuel tank capacity ?

    Quote Originally Posted by foreman00081
    what are you basing that off of Tex? i have never heard of a dmax with anything other than a 26 or 34 gal tank. (34 being longbeds)
    Me running out of gas and only taking 22 to fill it up

    Edit: tank says 26. Guess i have a really crappy fuel pickup.
    Last edited by TexMax; 03-25-2009 at 09:26 AM.
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    Registered User 1LOWDIESEL's Avatar
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    Re: Duramax fuel tank capacity ?

    it is a 26 gal tank but the most you can get in there is a little over 22gal. like mike said there are only 2 size tanks for them.

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    Re: Duramax fuel tank capacity ?

    My friends dad has a crew cab short bed duramax and I remember him telling me that they ditched the 26? gallon tank in favor of a 48 gallon aftermarket tank.
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    Registered User 1LOWDIESEL's Avatar
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    Re: Duramax fuel tank capacity ?

    there are a few companies out there like titan tanks and transfer flow that make larger capacity fuel tanks. Titan makes one that is 52 gal, they call it their super series.


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    IM MIKE D foreman00081's Avatar
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    Re: Duramax fuel tank capacity ?

    Quote Originally Posted by TexMax
    Me running out of gas and only taking 22 to fill it up

    Edit: tank says 26. Guess i have a really crappy fuel pickup.
    ive had that happen too on my way to the gas station but i stepped on it real hard at one of the lights so i think the fuel must have all moved to the back of the tank and sucked air in which caused it to die cause when i filled up it only took 22 or 23 gallons. also had it happen one other time where i was really low and i parked on a hill, went to start it up and it wouldnt start. threw it in nuetral and rolled back into the street which was flat and it fired up. luckilly the gas station was around the corner cause when i shut it down and filled up it didnt want to start again. so i had to bleed it, which sucked with just a leatherman tool in -2 degree weather with 40mph winds! moral of the story... fill up at 1/4 tank.

    03 GMC 2500 HD CCSB duramax, 6" full traction lift. 37/13.5/20 Toyo Open Country MT's, ATS E-Power tuner, AEM intake, Stage 3 allison
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    Re: Duramax fuel tank capacity ?

    Quote Originally Posted by foreman00081
    ive had that happen too on my way to the gas station but i stepped on it real hard at one of the lights so i think the fuel must have all moved to the back of the tank and sucked air in which caused it to die cause when i filled up it only took 22 or 23 gallons. also had it happen one other time where i was really low and i parked on a hill, went to start it up and it wouldnt start. threw it in nuetral and rolled back into the street which was flat and it fired up. luckilly the gas station was around the corner cause when i shut it down and filled up it didnt want to start again. so i had to bleed it, which sucked with just a leatherman tool in -2 degree weather with 40mph winds! moral of the story... fill up at 1/4 tank.
    Had to bleed mine too. Probably sloshed when i pulled into the driveway and sucked air. Took a bit to start yesterday too and had to run to the gas station real quick 21.8 gallons. I think 22 is my limit lol.
    And I looked, and behold a pale horse: and his name that sat on him was Death

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    Rollin' in the BIG HOG mreeves23's Avatar
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    Re: Duramax fuel tank capacity ?

    Most are right on here. The actual capacity on the tanks are 26 gallon for short beds and 34 gallons for long beds. When the light comes, lord only knows. Also the DIC reading fuel used is not always accurate either. You probably will not be able to quite max capacity in them either. However I have put 24.5 gallons in my old 2002 cc/sb truck before.
    Last edited by mreeves23; 03-28-2009 at 12:36 PM.


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    Supporting Member brutal's Avatar
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    Re: Duramax fuel tank capacity ?

    my dads ECSB only 19.5 gallons bone dry 2007

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    IM MIKE D foreman00081's Avatar
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    Re: Duramax fuel tank capacity ?

    Quote Originally Posted by james_8997
    my dads ECSB only 19.5 gallons bone dry 2007
    it wasnt empty then. they have only made dmax's with either 26 or 34 gallon tanks.

    03 GMC 2500 HD CCSB duramax, 6" full traction lift. 37/13.5/20 Toyo Open Country MT's, ATS E-Power tuner, AEM intake, Stage 3 allison
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