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Old Aug 11, 2011 | 04:28 PM
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Gas tank help

I have a bad rear tank on my f250 and i need to replace it, is there a way to replace it with out taking the bed off? somebody please help me by possibly giving step by step directions, thanks

Luke
 
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Old Aug 11, 2011 | 05:45 PM
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Remove the filler neck. Remove the straps or skid plates. The tank will drop. Reach up and remove the retainer ring and remove the assembly that holds the lines and the sender. It's a tight squeeze, but the tank will drop out.
 
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Old Aug 11, 2011 | 07:38 PM
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Why does your diesel truck have a gas tank?
 
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Old Aug 12, 2011 | 12:23 AM
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fuel tank... use ur head a little bit now...
 
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Old Aug 12, 2011 | 06:50 AM
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Careful because the skid plate is what supports the whole thank. Undo it and that bad boy is free.
 
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Old Aug 12, 2011 | 07:10 AM
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Something you may want to consider, if you're replacing the rear tank anyway is replacing it with a 38 gallon tank from a Bronco. Here is a link with the step by step directions if you're interested.

Rosewood 38 Gallon Tank Mod
 
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Old Aug 12, 2011 | 12:48 PM
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Lightbulb

Many people here said that is easy taking the bed off. Just my two cents. And yes you maybe should consider to get a bigger tank and do at the same time the fuel filler tank mod

Actually till I know that 38 gal tank isnt of the broncos: Part number F26E
Here is another link for a 40 gal fuel tank, just for info, I think the 38 gal is the best.
'05 F550 40gal fuel tank pictures from trucks photos on webshots


 
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Old Aug 12, 2011 | 01:08 PM
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Originally Posted by DIYMechanic
Something you may want to consider, if you're replacing the rear tank anyway is replacing it with a 38 gallon tank from a Bronco. Here is a link with the step by step directions if you're interested.

Rosewood 38 Gallon Tank Mod
Yes, that link is good to go by. But the Broncos had a 35 gallon tank that doesn't fit well on our frames.

The 38 gallon tank is from a late 80's F350... The part number Jose gave is correct, F26E, from rockauto.com

It's worth it! I can hold 60 gallons of fuel between the two tanks now.
 
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Old Aug 12, 2011 | 01:34 PM
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Originally Posted by Brown Falcon
Yes, that link is good to go by. But the Broncos had a 35 gallon tank that doesn't fit well on our frames.

The 38 gallon tank is from a late 80's F350... The part number Jose gave is correct, F26E, from rockauto.com

It's worth it! I can hold 60 gallons of fuel between the two tanks now.
Was that a harpooned tank or ???
 
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Old Aug 12, 2011 | 02:44 PM
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Nope, not harpooned, I did the vent hose mod though. Got rid of the small inner hose on the fill neck and ran a bigger external vent hose from the roll-over valve grommet on top to the top of the filler neck.

Just had to extend the pickup tube and float rod on the 38 gallon tank. Fits perfect though, just hangs down further than stock.
 
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Old Aug 12, 2011 | 03:40 PM
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Do you still have the spare tire under the rear tank?
 
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Old Aug 12, 2011 | 07:42 PM
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Lightbulb

Originally Posted by Brown Falcon
Nope, not harpooned, I did the vent hose mod though. Got rid of the small inner hose on the fill neck and ran a bigger external vent hose from the roll-over valve grommet on top to the top of the filler neck.

Just had to extend the pickup tube and float rod on the 38 gallon tank. Fits perfect though, just hangs down further than stock.
Ian, you have to add the mod in your signature.

Originally Posted by joe_13894
Do you still have the spare tire under the rear tank?
Yes its possible, see the pics how it looks like.

 
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Old Aug 12, 2011 | 11:49 PM
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Originally Posted by joe_13894
Do you still have the spare tire under the rear tank?
I don't have mine mounted below, just sits in my bed. But there's room for it if I wanted to and still had the hardware. My old stuff was all screwed up when I bought it, and it was a dually then so I didn't need a spare.
 
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Old Aug 13, 2011 | 09:06 PM
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are you guys sure that the 38 galon tank will fit properly without hanging tdown too far? doi need to buy a new fuel pump that goes in the tank for the 38 gal tank? and for the filler neck mod, i heard it was expensive and does it really pay off?
 
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Old Aug 13, 2011 | 10:15 PM
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You don't have a fuel pump in the tank. The big tank hangs down about as far as the stock tank with the spare in place. If you're worried about angle of departure, you can put the spare in the bed.
 
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