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Fuel filter will not come off!!!

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Old 03-06-2006, 11:20 PM   #1
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Fuel filter will not come off!!!

I am changing my fuel filter, and I cannot get the line nut to come off. Its on the side that goes to the fuel tank, its a 19mm on the filter, and a 14mm line nut. I used a 19mm wrench to hold the filter, then used a line wrench (goes about 3/4 around the nut) to turn the nut. It will NOT turn no matter what I try. It ended up starting to round the nut with the line wrench! So I used vice grips, and a cheater bar, and it still will not come off! And I also sprayed it with WD40 in the beginning. What can I do?! Anybody else have this happen to them?
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Old 03-06-2006, 11:24 PM   #2
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steve, that same thing happened to mine once (mechanic's report) -- they had to cut the line, clean, re-crimp and re-shape it, etc. the nut just wouldn't budge.
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Old 03-06-2006, 11:36 PM   #3
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WD40 is NOT a penetrant! go buy some PB blaster and soak it overnight or two nights.
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Old 03-07-2006, 06:10 AM   #4
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I 2nd the PB Blaster. I haven't seen anything that a good soaking of Blaster over a couple of days wont take off.
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Old 03-07-2006, 06:17 AM   #5
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I haven't been able to get mine changed for the same reason. Mechanic tells me they'll have to change both the in/out lines if I want to put the new filter on.
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Old 03-07-2006, 06:48 AM   #6
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I ended up replacing both fuel lines when I did mine. The prior owner must have never, ever changed it.
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Old 03-07-2006, 07:48 AM   #7
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Changed mine at 148k, and it was a BITCH to get off. I let it soak with WD40 (yes PB blaster is better, but it was all I had) for about 20 minutes, and put my less than huge arms to work. Probably took me an hour total to change the damn thing.
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Old 03-07-2006, 08:46 AM   #8
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One thing that helped me get mine off after the nut started to round off was to file the sides of the nut down until the next smaller size line wrench fit nice a snug. I was just about ready to cut mine off when my neighbor got it loose for me.
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Old 03-07-2006, 09:41 AM   #9
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dude go to pep boys and buy a flare wrench set for $10. I couldnt get my filter nuts to budge at all until I used them. Also, I tried the 'ol tobasco sauce trick as well, the combination worked well.
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Old 03-07-2006, 11:43 AM   #10
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Quote:
Originally Posted by Platypus1
Also, I tried the 'ol tobasco sauce trick as well, the combination worked well.

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Old 03-07-2006, 11:47 AM   #11
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yes, tabasco sauce works. i usualy dont give that advice b/c most people think im nuts when i suggest it
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Old 03-07-2006, 11:51 AM   #12
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you cant be serious about the tobasco sauce. if u are im gonna try it cause im having the same problem.
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Old 03-07-2006, 12:35 PM   #13
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ok guys, what's up with the tabasco sauce? vinegar as a mild acid slowly chewing up the gluck?
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Old 03-07-2006, 01:48 PM   #14
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PB blaster will take anything off
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Old 03-07-2006, 03:52 PM   #15
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yeah, let us in on the secret! im planning on changing my fuel filter in the spring and i have a bottle just waiting.

lee
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02, change, changing, filter, fuel, gas, hose, line, lines, loose, lose, nut, refuses, sonoma, wont

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