Fuel Line

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HT4100 4.1, 4.5, 4.9 Discussion, Fuel Line in Cadillac Engine Discussion; I have a leaking fuel line just aft of the fuel filter on my 1992 Seville. The clip that holds ...
  1. #1
    DodgeW200 is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Feb 2007

    Fuel Line

    I have a leaking fuel line just aft of the fuel filter on my 1992 Seville. The clip that holds the line to the frame has rubbed a hole in it. When I turn the key to the on position and engage the pump, I get a wonderful fan pattern that sprays an incredible amount of fuel out. When cleaning the line to ascertain it's failure, it clearly states "not repairable." Of course the local parts store is not going to carry such an item. I have not tried, but I am sure the dealer will chuckle and state "what year?" Any suggestions on replacing this line? Junk yard I assume? Does someone make a splice kit?



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  3. #2
    quins90lac's Avatar
    quins90lac is offline Cadillac Owners Enthusiast
    Automobile(s): 1990 Cadillac sedan devile
    Join Date
    May 2008
    Peoria IL USA

    Re: Fuel Line

    could you get a pic for us

  4. #3
    daniel58 is offline Cadillac Owners Fanatic
    Automobile(s): 58 Coupe Deville, 77 Coupe deville, 90 Deville
    Join Date
    Sep 2009

    Re: Fuel Line

    I just replaced all of the fuel and brake lines from the eng compartment to the gas tank on my 90 Deville. NAPA should have the rubber line assemblys (rear fuel hose) from the tank pickup to the filter. You will have to drop the tank to replace those. If you need the lines in front of the filter NAPA sells adapters made by Dorman with the o ring connections and you will have to fabricate the rest with standard steel line using the crimp fittings supplied with the Dorman kits. My 90 has 3/8" supply and 5/16" return lines. The 1/4" vent line is not under pressure and can be replaced with standard 1/4" steel line. Its a nasty job, good luck!

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