Help! Blue Spring installation
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Senior User
Joined: Mar 2003
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From: El Cajon, CA
Help! Blue Spring installation
I can't get the outer nut on the fuel line loose. I've used WD40, Rust Buster, you name it to no avail. It acts like it wants to remove everything including the part into the cap but it will not even turn on the fuel line.
Could the outer nut be left handed threaded?
Has anyone else had this problem & how did you solve it.
Any advise would be appreciated.
Thanks!
Could the outer nut be left handed threaded?
Has anyone else had this problem & how did you solve it.
Any advise would be appreciated.
Thanks!
Hotshot
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
It's standard right hand thread. Get the CORRECT size wrench and BE PATIENT. They can be a tight motorscooter and hard to turn even if they've been removed several times. You'll need a backup wrench to keep the part in the cap screwed in.
Senior User
Joined: May 2005
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From: Ethridge, TN
Mine was right handed. Sounds like its just seized-up. You might have to let it soak overnight. PB Blaster is great stuff. Be careful removing it. If the nut is seized onto the fuel line, you could twist the fuel line and damage it.
Lead Driver
Joined: Mar 2010
Posts: 5,250
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From: West Virginia
YES I had that problem... no one else mentioned it in their writeups but mine was a real bitch and I ended up having to pull the radiator hose and draining 1.5 gallons of coolant to have room to get 2 wrenches on it. If you turn the whole thing together you WILL bend and possibly break the fuel line. So don't do that. Put a wrench on the inside nut (closest to regulator) and put a wrench on the outside nut. That way you can hold the inside night while you loosen the outer nut. On mine, the inside nut broke loose way before the outside nut so I couldn't loosen the outside nut. I ended up really having to throw some elbow grease into the wrenches to break it loose. Its best to use flare nut wrenches if you have them, though I didn't have mine with me when I did mine.
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From: El Cajon, CA
Hotshot
Joined: Dec 2003
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From: Stuttgart, Ar
To be absolutely honest I don't remember because I use a combination of standard and metric wrenches to do the fuel system stuff and it's been too long since I did them. 17 or 18 mm comes to mind as does 11/16 and 3/4 but don't hold me to any of those. Hasteranger is correct though......they are TIGHT and it's very easy to twist a line. I try and put the wrenches very close together and then "squeeze them together" to get the nuts to loosen, if that makes sense.
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Senior User
Joined: Mar 2003
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From: El Cajon, CA
To be absolutely honest I don't remember because I use a combination of standard and metric wrenches to do the fuel system stuff and it's been too long since I did them. 17 or 18 mm comes to mind as does 11/16 and 3/4 but don't hold me to any of those. Hasteranger is correct though......they are TIGHT and it's very easy to twist a line. I try and put the wrenches very close together and then "squeeze them together" to get the nuts to loosen, if that makes sense.
I tried the 2 wrench (cresent) thing too no avail. My 19mm & 3/4 are too small so it's either 13/16 or 20mm. So I'm going to look for a Flare nut wrench in either of those sizes.
Thanks for the input.
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Senior User
Joined: Mar 2003
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From: El Cajon, CA
I'm looking at some now & I'm seeing 19mm & then the next size is 22mm in the flare nut wrench. Also in the SAE sizes it goes to 13/16ths.
Could it be the 22mm?
Could it be the 22mm?
Senior User
Joined: Dec 2011
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From: Napoleon, OH
One is 21 the other is 22 I believe . Be very careful not to damage housing also it is kinda expensive! Just might know from experience! Lol like said earlier but those two close together and squeeze together good luck!
Lead Driver
Joined: Mar 2010
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From: West Virginia
flare wrenches usually come in sets... I don't know the size either because, though I'm ashamed to admit it, I used vice grips on the fixed nut and a crescent on the end because all I have here is my "portable" tool kit. I'm working on building a toolbox for my cargo area so i can carry my good stuff. Don't use crescent wrenches on flare fittings, though. It rounds them off. Its bad.
Lead Driver
Joined: Sep 2007
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From: Scio, OR
They are metric, but I don't remember the sizes.
I got all the stuff out of the way (radiator hose, etc), removed the regulator cover and pulled it far enough away that I could turn the cover off of the large fitting. Then I put a socket on the large fitting and a open end wrench (not an adjustable wrench) on the smaller one and was able to break it loose.
I got all the stuff out of the way (radiator hose, etc), removed the regulator cover and pulled it far enough away that I could turn the cover off of the large fitting. Then I put a socket on the large fitting and a open end wrench (not an adjustable wrench) on the smaller one and was able to break it loose.
Lead Driver
Joined: Feb 2011
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From: L.A. (Lower Alabama)
Like npccpartsman said, with wrenches side by side, squeezing them together usually gets it done. you can also Prop the left wrench against somthing (block of wood or what ever) and get both hands on the right wrench.
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Senior User
Joined: Mar 2003
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From: El Cajon, CA
I got the 21 & 22mm wrenches & I still can't break it loose. I'm afraid I'll twist the fuel line so I'm going to try some heat.
Thanks, great picture!