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I have replaced an old spring for a new gas tank crack

Started by Michael, December 02, 2009, 08:13:41 AM

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Michael

#45
December 05, 2009, 01:23:24 PM
Question:

When testing for leaks, would it matter if I plugged the two small hose openings, even if I had the gas cap open?


ducpainter

#46
December 05, 2009, 01:37:45 PM
Quote from: Michael on December 05, 2009, 01:23:24 PM
Question:

When testing for leaks, would it matter if I plugged the two small hose openings, even if I had the gas cap open?



Exactly what are you thinking?

Those tubes are for the cap area drain and the vapor canister. Fuel should never come out of those unless you over fill or lift the tank with a full load.

"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


Michael

#47
December 05, 2009, 02:16:16 PM
Quote from: ducpainter on December 05, 2009, 01:37:45 PM
Exactly what are you thinking?

When I tested for leaks the first time, the tank was off of the motorcycle and I used a few pieces of duct tape to cover those. I wasn't worried about gas coming out, but rather baby powder getting in.

And then when I tested a second time, with the tank back on the motorcycle and connected to the hinge, I didn't re-attach the hoses to those things; I just left the tape on.

So ... I was thinking, maybe I can't find the leak because I sealed off the air opening. Kind of like when you hold the top of a straw and then pull it out of your drink.

Keep in mind I'm trying to troubleshoot this issue by exploring the only differences I could find between when it was leaking before and now when it's not leaking at all.

Quote from: ducpainter on December 05, 2009, 01:37:45 PM

Those tubes are for the cap area drain and the vapor canister. Fuel should never come out of those unless you over fill or lift the tank with a full load.


Here's what's funny ... um ... I did, right before the leak got bad, lift the tank when it was full.

In fact ... I lifted it a few times, briefly, during my whole spring project. And wouldn't you know it, I noticed the leak getting worse and worse throughout the project until the last lift when it got really bad.

And thinking back, the fuel coming out never increase in flow, but rather just increased in duration.

So ....

Why wasn't there just fuel coming out the bottom and not all around the hinge you ask?

Well, one of those hoses was split at the top. In fact, when I was removing it, it practically fell off.



Possible source of leak:
- cracked overflow hose

[roll]

I feel both stupid and glad.

ducpainter

#48
December 05, 2009, 02:37:55 PM
Possible....

but if the tank was down overnight when you found your puddle on the floor...

not likely.
"Once you accept that a child on the autistic spectrum experiences the world in
 a completely different way than you, you will be open to understand how that
 perspective
    is even more amazing than yours."
    To realize the value of nine  months:
    Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent."


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