2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Cutting a fuel delivery hose; what's the safest way to do this?

Old Mar 6, 2004 | 01:01 AM
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Question Cutting a fuel delivery hose; what's the safest way to do this?

I recently bought an '87 TII and brought it to a friend of mine's house for a run-through (he seems to be an FC genius!) He said everything looked great except that the person before installed this t-connector right above the spark plugs for some hoses. One of these hoses (if not all) is a fuel delivery hose...except it has a fairly good kink in it!!! (Instant engine nukage!!) All I have to do is cut it and re-attatch it so its a little tighter...however I'm guessing there's fuel just resting in there...any recommended way/place to do this? Any help would be great! Thanks ahead!
-Galen
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Old Mar 6, 2004 | 09:18 AM
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Your supposed to depressurize the fuel system first because its under pressure and will spray out when you cut that line. I don't...just watch out it doesnt get you in the face.
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Old Mar 6, 2004 | 12:01 PM
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should I pinch one end of the line so only a small amount of fuel comes out?
-Galen
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Old Mar 6, 2004 | 01:45 PM
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Well if I read it correctly, you're motor is blown? If it is you won't be able to depressurize because you need a running engine for that. Mine was blown had to just cut it not that much fuel comes out, just cut from the bottom with a razor blade then whenyou get a slit, squeeze the ends so it forces the fuel out the slit, but it should't just "spray" out.
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Old Mar 6, 2004 | 02:02 PM
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Nope, it's not blown. With the kink in the hose I run a high chance of fuel starvation though...so it needs to be straighter...I'm just not sure about the best way to do this. I'm thinking pinch the line at the opposite end of where I'm cutting, then get a little can ready for the fuel....then just let it drop into the can...undo the clamp on the cut off end...slide the new end on the T-connector...and re-use the clamp. Sound good?
-Galen
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Old Mar 6, 2004 | 02:12 PM
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Start the car. Disconnect fuel pump. Wait for car to stall.
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Old Mar 6, 2004 | 03:21 PM
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When I depressurize the system, I just wrap a rag around the secondary fuel rail banjo bolt and loosen it just a tiny bit.

As far as catching all of the fuel that comes out of the line, it really isn't that big of a deal, just make sure to rinse the fuel off with water/soap.
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Old Mar 6, 2004 | 11:14 PM
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Awesome, thanks a bunch guys!
-Galen
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Old Mar 6, 2004 | 11:24 PM
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If you smill a small amount, it willl evaporate. As long as its not a standing pool of fuel. A drop here or there won't hurt. For stuff like depressurizing the fuel system, you should get a Haynes manual.
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Old Mar 7, 2004 | 12:54 AM
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Its not that hard to do...

All you need is a phillips screwdriver. Pull the carpet and padding up from the rear, and look for the plate. You can't miss it. I think its either 6 or 8 screws. Take those off, disconnect the one power connector (for fuel pump) and then start the car. Like Aaron said, the car will simply stall. Now its de-pressurised
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Old Mar 7, 2004 | 01:39 AM
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Originally posted by poor_red_neck
Like Aaron said, the car will simply stall. Now its de-pressurised


No, it isn't. There will still be about 20 psi in the line.


https://www.rx7club.com/showthread.p...hreadid=260464


Just wrap a rag around where you're pulling the hose off to prevent spraying...
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Old Mar 10, 2004 | 12:22 AM
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If I have a fuel cut-off switch...can I just turn this off...start the car..and is it depressurized?
-Galen
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