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Draining the fuel without removing tank?!

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Old 05-21-2015, 03:55 PM
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Default Draining the fuel without removing tank?!

Hey folks!

So, I have old fuel in the tank and I want to remove it. If I can do it without removing the tank or the cross-line that'd be great!

I was wondering, if I were to get the male end of the fuel line coming off the factory quick disconnect and hook it to a hose long enough to go into a gas can, would the fuel just flow out?

Also, I have the quick disconnect fittings on the cross-line. I guess I could get a second fitting and use those to drain it also...

Thoughts?
 
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Old 05-21-2015, 04:25 PM
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Originally Posted by ramu3527
Hey folks!

So, I have old fuel in the tank and I want to remove it. If I can do it without removing the tank or the cross-line that'd be great!

I was wondering, if I were to get the male end of the fuel line coming off the factory quick disconnect and hook it to a hose long enough to go into a gas can, would the fuel just flow out?

Also, I have the quick disconnect fittings on the cross-line. I guess I could get a second fitting and use those to drain it also...

Thoughts?
Fuel wont flow out of the quick release as it will need to be pressurized to do so. Easiest way is to build a funnel and place it on the rocker box and pull the cross line. It's how I have always done it. Just make sure you have a great seal on the funnel or you are going to have a bad time. You can use a 1ltr bottle and cut it down at an angle to have the fuel flow out one side. Get a fitting and some nylon tubing from Home Depot for like $2 and run that to a fuel can.
 
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Old 05-21-2015, 04:30 PM
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Yes, I've seen a video on that and it's definitely an option.

I have the CPC Quick Disconnect fittings on my crossover line. I'm thinking just get another set and hook a long hose to the barbed side of each (the male and the female side) and run them into a gas can. Then just disconnect at the crossover and hook them up!

Should work great, no?
 
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Old 05-21-2015, 04:37 PM
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Since the tank sits higher than the ground....siphon will work
 
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Old 05-21-2015, 04:51 PM
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Originally Posted by 8541hog
Since the tank sits higher than the ground....siphon will work
Yeah, trying to avoid that...
 
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Old 05-21-2015, 05:36 PM
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You can get a siphon pump at any auto parts store for about 5 bucks. Squeeze bulb, gas flows; mouth not involved
 
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Old 05-21-2015, 07:17 PM
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Connecting a spare cut-off main fuel line fitting doesn't work as the fuel pump only pressurizes the fuel system for a few seconds then waits for the ECM crank cycle (until engine running) to then provide fuel pressure.

You are better off siphon or remove the tank and flip it over.
 
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Old 05-21-2015, 07:17 PM
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Old 05-21-2015, 07:18 PM
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+1 with a siphon pump, that's how I get the questionable winter stored gas out.
 
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Old 05-21-2015, 07:35 PM
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If you know how to siphon, no mouth is required in this situation, you slide the hose fully into the tank, let it fill, plug the end with your finger, pull it out of the tank and route it down to the container on the ground and take you finger off to let it flow, it will start flowing, gravity is a wonderful thing....but if you prefer, you are free to make it as complicated as possible.
 


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