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Stuck/frozen fuel lines

Cant get fule filter off
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Stuck/frozen fuel lines

Postby thrlskr [OP] » Apr 13 2011, 2:35pm

Truck has been running cruddy for a minute. Since I bought it used nearly a year ago, am finding that most stuff I try to remove is frozen/corroded.

Coated connection to fuel fileter several times with liquid wrench, but have had no luck. Any suggestions?

Thanks in advance! :geek:
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Stuck/frozen fuel lines

Postby gmctruckguy » Apr 13 2011, 2:42pm

Keep adding a good penetrating fluid and keep trying to work it. Of you pull to hard you will twist the line, trust me I have done it.
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Re: Stuck/frozen fuel lines

Postby 518-HD » Apr 18 2011, 3:27pm

if you really cant get it off, you may just have to buy a new line all together..
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Re: Stuck/frozen fuel lines

Postby lzn197 » Apr 18 2011, 3:37pm

First of all, do you have the proper line wrench? They grip really well and are intended for that purpose. Here is what I do, soak a little rag with penetrating oil and tie the wet soaked rag around the line and let it soak. Then with the proper line wrench that really fits tight, try to tighten the line just slightly, then work it back and forth til you get it broke free. Be patient.
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Re: Stuck/frozen fuel lines

Postby com_29 » Oct 01 2012, 3:29am

I'm sure I'll get crap for this but everytime I dealt with this, I sprayed it with W-D and used a little propane torch. Heated the fuel filter up nicely and with two crescent wrenches, twisted that bass-turd off. Worked every time with NO fire!
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Re: Stuck/frozen fuel lines

Postby Zxceelxuz » Oct 01 2012, 3:37am

I wouldn't ever recommend putting any sort of torch near a fuel line.

I've found that sometimes brake fluid works surprisingly well to loosen up rusty nuts like that. Soak it in penetrating oil, get a proper sized line wrench, and tighten it a little, work it back and forth. If worse comes to worse, you'll have to cut a few inches of the line off and put a little patch in.
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Re: Stuck/frozen fuel lines

Postby lzn197 » Oct 01 2012, 12:27pm

com_29 wrote:I'm sure I'll get crap for this but everytime I dealt with this, I sprayed it with W-D and used a little propane torch. Heated the fuel filter up nicely and with two crescent wrenches, twisted that bass-turd off. Worked every time with NO fire!

I have known two people with work habits like that. One is dead and the other has only one eye now. It's your choice.

I've been working on engines for over 45 years, never taking chances like that.
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