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Fuel line disconnect tool

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Old Jun 19, 2009 | 06:47 PM
  #1  
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Fuel line disconnect tool

Is this the correct tool for uncoupling the fuel lines from the fwd. fuel tank?

KD Tools

Is there a NAPA equivalent? How does the tool work?

Truck is 1996 F350 PS XL with a leak at the top of the tank under the cross-member. Once tank is off will see if it can be repaired. Are there O-rings in the fuel line connectors which should be replaced before I reconnect the lines?

Other project while I'm doing the tank is repairing a pinhole in the engine pan. Have been reading the various posts here about the repair and I think I'll give POR-15 a shot. Better than the $2200 the dealer wants for the job.

Am the second owner. First guy didn't stay ahead of the rust. Once these repairs are done I plan on undercoating frame & tank with Waxoyl.
 
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Old Jun 19, 2009 | 06:53 PM
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Originally Posted by zulugmt
Is this the correct tool for uncoupling the fuel lines from the fwd. fuel tank?

KD Tools

Is there a NAPA equivalent? How does the tool work?
Napa has several variations for you to try, here are a couple. You can give these part numbers a try or go down and see what they stock locally. Good luck.

BK 700-2096
BK 775-9081
 
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Old Jun 19, 2009 | 07:30 PM
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Originally Posted by zulugmt
Is this the correct tool for uncoupling the fuel lines from the fwd. fuel tank?

KD Tools

Is there a NAPA equivalent? How does the tool work?

Truck is 1996 F350 PS XL with a leak at the top of the tank under the cross-member. Once tank is off will see if it can be repaired. Are there O-rings in the fuel line connectors which should be replaced before I reconnect the lines?

Other project while I'm doing the tank is repairing a pinhole in the engine pan. Have been reading the various posts here about the repair and I think I'll give POR-15 a shot. Better than the $2200 the dealer wants for the job.

Am the second owner. First guy didn't stay ahead of the rust. Once these repairs are done I plan on undercoating frame & tank with Waxoyl.
The leak at the top of the fuel tank could be for the grummet of the rollover valve or a loose clamp of the hose to fill the tank, so before you do any thing else, check that, mine was leaking by the hose, I torqued the clamp and thats it, without down the tank. Just my 0.02 cents.
 
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Old Jun 19, 2009 | 08:14 PM
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Thanks for the replies & info!

I discovered the leak while backing down the ramp to launch my boat. Fuel appeared to be flowing from under the cross-member. I've run the tank down to below 1/8 full so I could more easily handle it to lower it down. Since everything under the truck is fairly rusted, I figured a leak in the tank under the cross-member would make sense since that area would hold moisture and road crap in there to fester. The rest of the tank appears to look good. Also, if the engine pan is rusted & leaking, the tank likely has the same disease.


Roentgeep, thanks for the tip... but since I want to do a thorough job with the frame undercoating, taking the tank off will help with access to that section of the frame...
 
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Old Jun 19, 2009 | 09:35 PM
  #5  
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Originally Posted by zulugmt
Thanks for the replies & info!

I discovered the leak while backing down the ramp to launch my boat. Fuel appeared to be flowing from under the cross-member. I've run the tank down to below 1/8 full so I could more easily handle it to lower it down. Since everything under the truck is fairly rusted, I figured a leak in the tank under the cross-member would make sense since that area would hold moisture and road crap in there to fester. The rest of the tank appears to look good. Also, if the engine pan is rusted & leaking, the tank likely has the same disease.


Roentgeep, thanks for the tip... but since I want to do a thorough job with the frame undercoating, taking the tank off will help with access to that section of the frame...
You are welcome, any time. Good luck with the frame undercoating.
 
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Old Jun 25, 2009 | 11:16 AM
  #6  
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OK, I got the fuel line disconnect tool but it doesn't seem to fit the line properly to disconnect the fitting. I used the 3/8" end of the tool but it seems too large. Is the 3/8" tool correct for these fittings? The fittings on the fuel tank are original. Front and rear tanks have the same fittings. Any help most welcome.
 
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Old Jun 25, 2009 | 06:16 PM
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Could be 5/16ths. Only other reference I could find.
 
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Old Jun 25, 2009 | 06:57 PM
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From: Ft Scott
It should be 3/8 on the supply and 5/16 for the return.
 
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Old Jun 25, 2009 | 08:40 PM
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Thanks for the info! 5/16" & 3/8" did the job. The connections were a bear to get at because the dump hoist pump is in the way.

Anyway, got them off and dropped the tank and lo & behold... there was a rust-out hole about 1" in dia. in the top of the tank under the mid-frame crossmember. The way the tank is shaped and how its tucked up hard under the crossmember, all sorts of road sand and misc. trash collected under there and held dampness... bad design since there's no way the keep the area clean and aired out. The rest of the tank's in good shape so I'll repair it with a few layers of 1808 glass cloth wetted out with POR-15. Once that's cured I'll double coat the entire tank with POR.

Cheers!
 
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