1984 Fuel line Problems

[84Cooper]

I am changing the manifold gaskets on my 1984 Corvette. My problem is the fuel lines will not unscrew from the throttle body housing. I have bought the best tools craftman has to try and break loose these two fuel lines. I am getting worried because the nuts are just starting to loose their corners. I have not rounded them yet. The fitting seem to be soft metal and the factory must used some kind of sealing compound. Is there way to release these fitting so I can complete my manifold gasket change.

 

[Moonunit 451]

Are you using "line" wrenches? That is what you need, if your not uusing them, go find some. There may be parts stores that will lend or rent them, but you're probly not getting them at Sears.

Welcome to the

 

[84Cooper]

I though the wrenchs with round head with a cut on the side were line wrenchs they are not regular wrenchs. The ones I have are call a Flare Nut Wrench Set.

 

[84Cooper]

Do anyone know of a Sealant releasing agent that will dissolve Loctite or what thread locking agent chevrolet used to install these fuel lines. I tried WD40.

 

[Eagle85C4]

P.B.Blaster is what you need....It will loosen almost anything.

When living on the coast we used it to loosen rusted beyond repair brake parts that the salt water ate up....spray it on and let it sit...grab a cold one, when it is gone the nut or bolt will now come loose. Best stuff there is....

 

[Moonunit 451]

;stupid No offense Ray That P. B. Blaster is amazing stuff.

 

[Eagle85C4]

Uh huh......sure....

Just for that ...you are off the Xmas list!

 

[Moonunit 451]

Too Late! You already gave me my Christmas present I hope to be putting the tranny and motor in today, we'll see how it goes:s

 

[84Cooper]

Thanks very much for your suggestion I am going out to my auto parts store to try and find some. I will let you know how I come out.

 

[84Cooper]

That P.B Blaster is good stuff. It worked great for me. I have completed my replacement of my manifold gaskets and now my car is completely oil leak free. This has been a problem with this car since 1984 and I finally resolved it. GM dealer replaced valve cover gaskets and front and rear seals in 1985 but the leak continued. I am a very happy Corvette driver now. This is a great place to get information and I hope I can help some other people with issues that I have experienced. My car have had many small issues. I am a perfectionist when it comes to this car and like everything to work right. I did not drive the car for years because it have so many little problems. I bougth the 1984 Corvette service manual , 1984 thru 1996 Haynes manual, and the Chilton 1984 thru 1996 manual. Next I began to repair each issue which include things such as:
Bose Radio problems installed Pioneer Stereo/CD, Idle problems changed throttle position sensor and 02 sensor, Oil leaks, Digital Dash problems replaced lights, Transmission leaks replaced seals, Paint fading repaint, carpet fading replaced, Clear coats flaking on wheels replaced with 84 chrome wheels, fuel pump replacement, A/C compressor replacement, All coolant hoses replaced, New one piece oil pan gasket, new valve cover gaskets, change to 5 year anti-freeze, new themostat, changed to full synethic Castrol 10w-40. The car has 93,000 miles on it and runs great. I am very proud of this car now and go to shows when ever I get a chance. It won second place for C4 84 thru 90 class at the Lone Star Corvette show at the Texas Motor Speedway last year and won 1st place this year and has taken many 1st place trophies at my car clubs show for the Cedar Hill Cruisers. Thanks again for the advice.