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Got under the '96 Deville to start plotting a repair for my gas tank filler tube which I had been blaming for a strong fuel smell. I discovered it wasn't the problem, although it's got a fair bit of corrosion on it.

I found fuel dripping from the nylon fuel line that goes forward from the fuel filter.

I called my local Cadillac dealer's parts department which said the part's no longer available from them, but Pep Boys or any of the chain parts stores should be able to make one up for me.

That sounds neat. Should I expect the chain places to have the specs on length and connectors? Or should I walk in with the old hose in my hand?

Thanks,

Marcus

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Is the line leaking from the connection at the fuel filter or is it worn through at some point on the hose? I seriously doubt any chain store could make a fuel line for you but it is worth a try. You might need to obtain a line from a junkyard - that can be tough too since when the engines are removed, the yard workers usually cut the fuel lines...

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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It's leaking just forward of a little plastic do-dad that bundles together two steel and two nylon lines - right under the driver's seat.

And you're right, KHE. I've called a handful of NAPA, Advance Auto, Local parts guy, sorts of places, and none is able to make one from scratch.

I've seen some expensive kits on the internet to fabricate lines. I'm wondering now if I should look for a repair shop that has one of those kits.

Will call local salvage yards too.

Thanks, and if anyone has an alternative, I'd be grateful to hear it.

Marcus

Is the line leaking from the connection at the fuel filter or is it worn through at some point on the hose? I seriously doubt any chain store could make a fuel line for you but it is worth a try. You might need to obtain a line from a junkyard - that can be tough too since when the engines are removed, the yard workers usually cut the fuel lines...

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Dorman sells 3/8" Nylon Tube and a Union check these links, maybe you can use something here to repair your problem

http://www.dormanpro...CTOR-+FUEL+LINE

Also check this union connector also from Dorman along with all of these nylon fuel line repair products

http://automotive.be...es--sc902132727

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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BBF - Thanks for the links. Looks like I may need to patch it up. Do you know if I can bend that tubing by immersing it in boiling water and letting it cool? My leak is in the neighborhood of a 90 degree bend in the line that I think I'll have to try to duplicate. Or maybe I can find a 90 degree barb to join straight hoses?

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I would attempt to locate an entire fuel line from a junkyard before repairing the existing line. The OEM line has NOT REPAIRABLE printed along the entire length.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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Here is support for what KHE was stating that these NYLON fuel lines are not repairable. I found the DORMAN repair parts and assumed that they could be repaired

http://www.gminsidenews.com/forums/f53/fuel-line-question-86975/

This is an interesting thread also

http://www.impalassforum.com/vBulletin/showthread.php?t=232959

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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This is getting more interesting. I may be able to head out to my u-pick-it yard tomorrow to see if they've got something that fits the bill. I sent RMS an email to see if they've got anything that could work.

Thanks so much for your input.

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Let us know how this goes and remember not to crimp the fuel line

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Going tomorrow to the salvage yard to see if I can find a nice fuel line assembly. Got a question about the connection between the hose and the hard tubing at the fuel rail. Is that the same sort of fitting that uses a removal tool to separate? I see the metal retaining clips on the exterior of the union, but I'm not exactly sure what to expect underneath. My FSM doesn't go into much detail.

Thanks

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Yes - you need a tool to separate the connection to the fuel rail. Any auto parts store will have the fuel line quick disconnect fitting separation tools for not too much money. You need to remove the metal clips first and then use the tool to depress the barbs on the hose fitting.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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Fixed. And fixed with a junkyard hose. It took two junkyards, though. The first place I went pulls engines. Like KHE predicted, every Deville in my year range had the fuel lines cut to get the motor out.

Did some driving to a pick and pay (Crazy Ray's if you're near Baltimore) and hit the jackpot. Most of their Cadillac's had hoses, and I even had a choice of two in my model year.

Out with the old, in with the not-so-old, and I'm back on the road. Thanks for the advice.

Marcus

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Good for you!

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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