Fuel tank removal
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Lead Driver
Joined: Jan 2005
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From: Huntington Indiana
Fuel tank removal
I have a 93 f-350 diesel with a mid mount tank which is leaking badly from around the straps area. I am going to remove tank and straps and replace with new. Any ideas on removing the tank from underneath and any special tools which might be needed. Thanks.
Senior User
Joined: Jul 2009
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From: Bozeman, Montana
Shouldn't need any special tools. Just remember to remove the fuel filler tube, which will probably be hose clamps. The straps will probably have 1/2" bolts on just one side if i remember correctly. My only suggestion is to try and do the job when your tank is fairly empty. I have done the job with a full tank and I had to use a floor jack and a 2x4 to lower the tank. Its a pretty easy job, all in all.
PS: I am fairly certain that you don't need to remove any of the driveline. Sorry in advance if you do.
_________________________________
1986 F250 XLT Lariat 4X4, 6.9L IDI, C6, 33" Coopers, big cow pusher
PS: I am fairly certain that you don't need to remove any of the driveline. Sorry in advance if you do.
_________________________________
1986 F250 XLT Lariat 4X4, 6.9L IDI, C6, 33" Coopers, big cow pusher
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Lead Driver
Joined: Jan 2005
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From: Huntington Indiana
Driveline doesn't look like a problem. I was concerned with the fuel line connections. Tank will be just about empty when I do the job. I just hate surprises - and a parts store is about 15 miles one way. Thanks for your input.
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Joined: Jul 2009
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From: Bozeman, Montana
Just make sure when you start to drop the tank, reach up and disconnect fuel lines and electrical, both. You will have a few inches to drop before anything is stretched far enough to break. It will be self-explanatory. One recomendation I have is that while you have the tank out, that you at the minimum check the fuel pump and everything involved. I would go ahead and replace the sock, because it will probably be a little dirty. Its your first line of defense as far as catching debris. Hope it all goes well!
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Lead Driver
Joined: Jan 2005
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From: Huntington Indiana
I checked the price of the tank fuel pump and fuel gauge. It was $389.17 .... I said I'll see if I can salvage the old one to the new tank. It was only available from Ford
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Which truck you doing?
Sending unit and pick up tubes only on the 93.
Last time I priced one at Ford it was like 130 dollars.
Sending unit and pick up tubes only on the 93.
Last time I priced one at Ford it was like 130 dollars.
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Well as seen in an earlier post from me I have suspected fuel pickup air intrusion. I haven't attempted to tear mine apart yet cause I tried all parts depots and Ford told me like $350 for the front and like $275 for the rear and both of mine are shot. I just can't afford the repair right now. I do my own work but I was laid off twice and I am just making it by delivering pizza at the local Papa John's so you can understand why I can't afford to fix it right now. I agree with the other replies you will definitely want to have the fuel line disconnect tool. I can't remember if these tanks have the spring loaded quick disconnects or the plastic clip connections "It's been a while since I have had to remove a ford fuel tank" but if its the spring loaded you will only be able to get it loose with the fuel line disconnect tool. You can buy a set of really cheap plastic ones but the metal tools work better. I have also found that for some reason I have yet to figure out, Ford's quick disconnects though are the same as other makes, seem to be a B*tch to get apart. LOL whats a mechanic to do.
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Lead Driver
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From: Huntington Indiana
Doing the 93 7.3
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well it is techincally a fuel pump/ sending unit but u will only hook up 2 wires instead of 4 so only the sending unit will work it should come with a new harness u need to cut and splice in!! i just did my rear one and it was $348 with the pump/sending unit, the tank, new harness, and straps! and i know my 94 has the spring loaded disconnects and they were a bitch even with the tool! the tool is only $8!
Postmaster
Joined: Oct 2005
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From: Clarksburg WV
What fuel line tool are you guys talking about?
Mine had the connectors where you slide it over, then put in a plastic clip which locks the hose in place. Only special tools you need for that is a flat bladed screwdriver to get the clip out when removing the lines, and your hand to reinstall the new clip.
BTW dropping the tank is easy once you get the skidplate out of the way. I left my skidplate off because I think that's part of what rusted the tank in the first place. I also painted/sprayed rubberized undercoating around where the straps touched the tank, dunno if that'll make a difference or not...
Oh, and one last thing. If yours is anything like mine, the lockring for the gauge sender/fuel pickup on top of the tank will be rusted in place and not in the best shape. I had to break the lockring to get it out, it was stuck.
Mine had the connectors where you slide it over, then put in a plastic clip which locks the hose in place. Only special tools you need for that is a flat bladed screwdriver to get the clip out when removing the lines, and your hand to reinstall the new clip.
BTW dropping the tank is easy once you get the skidplate out of the way. I left my skidplate off because I think that's part of what rusted the tank in the first place. I also painted/sprayed rubberized undercoating around where the straps touched the tank, dunno if that'll make a difference or not...
Oh, and one last thing. If yours is anything like mine, the lockring for the gauge sender/fuel pickup on top of the tank will be rusted in place and not in the best shape. I had to break the lockring to get it out, it was stuck.
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Lead Driver
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From: Huntington Indiana
Well after 3 hrs of sweat (doing by myself) - got tank and connections off (tank was really bad). Did not need tool as it was the type that requires a flathead screwdriver. Could not get sending unit off old tank and OUCH it was $440 with wiring harness taxes etc. Tried local salvage yards but they couldn't help. So bit the bullet and ordered new. So should last the rest of the life of the truck.
Thanks to all.
Thanks to all.
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Good luck on lasting the life of the truck.
I replaced my tanks about 10 years ago.
Repaired the rear tank again last fall and now the front tank is leaking again.
I should be out there dropping the front tank now.
I replaced my tanks about 10 years ago.
Repaired the rear tank again last fall and now the front tank is leaking again.
I should be out there dropping the front tank now.