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stuck fuel filter

I went to change out my fuel filter yesterday and discovered that the Incredible Hulk must have tightened up the bottom connection on the fuel filter on last change out. I know which part turns and which way, that is not the problem; getting it to release is the problem. Anyone have any tricks to undo this connection without ruining the attached fuel line?

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Old 11-20-2011, 01:25 PM
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Did you try shooting with wd 40 and letting it sit? Also use a longer wrench for leverage. Good luck
Old 11-20-2011, 01:41 PM
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Yeap, some monkey over torqued mine too. I guess idiot did no tbelieve in 1/4 turn past snug

I used penetrating lube, tried again the next day and it popped. Had to use extra long wrenches for leverage.
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Old 11-20-2011, 01:47 PM
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+1 on the extra long wrenches and PB Blaster. Mine was insanely tight and impossible to budge with normal length wrenches.
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Old 11-20-2011, 03:12 PM
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Use two wrenches. One on each fitting. Stack the wrenches so that you can squeeze them together to get the fitting to loosen. Sometimes you have to fiddle with one or the other wrench to get the spacing just right. Then squeeze. It is the best way to get enough force and compensate for the torque by pulling in both directions at the same time so you don't twist the line. I may not have explained it well enough but that is how to do it. Does this make sense?
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Old 11-20-2011, 04:31 PM
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It is comforting to know that I'm not the only one that has faced this issue. If I had any inclination that this filter had been tightened to the point of crazy glued together I would have attempted to unseize it when I had the engine out but who is to know. I'll PB Blast it all week and try my luck again next weekend. I have a feeling replacing a broken fuel line in this location is not an easy task.
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Old 11-20-2011, 05:13 PM
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i have a 17mm fitting wrench for this problem. too easy to round out the nut without it.
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Old 11-21-2011, 04:19 AM
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Where does this fuel pressure line (911.356.083.01) from the fuel filter on a 3.2 Carrera go to? I looked on the diagrams of the part and the line doesn't look very long. I see it couples with another line but where exactly?
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Old 11-25-2011, 02:31 PM
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Well from top it comes in from the hard fuel line then out the bottom via the coil covered flex fuel line then to the Fuel Pressure Regulator.
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Old 11-25-2011, 02:35 PM
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The coupling I'm referring to is the far left end of the red line. Where exactly does that attach to? What location? In the engine compartment or down in the tunnel? Is it accessable from the engine compartment?
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Old 11-25-2011, 02:55 PM
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Down the side of the chassis then to the tunnel

BRB will post a pic
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'85 Carrera Targa
Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace
PCA/POC

Last edited by DRACO A5OG; 11-25-2011 at 03:03 PM..
Old 11-25-2011, 03:01 PM
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Here you go:



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'85 Carrera Targa
Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace
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Old 11-25-2011, 03:09 PM
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Thanks for the pictures Jim.
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Old 11-25-2011, 03:19 PM
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my pleasure!
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'85 Carrera Targa
Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace
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Old 11-25-2011, 03:23 PM
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see post 7. buy one.
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Old 11-25-2011, 05:34 PM
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Quote:
Originally Posted by john walker's workshop View Post
see post 7. buy one.
Can you post a pic or link?
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'85 Carrera Targa
Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace
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Old 11-25-2011, 07:23 PM
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i guess the real name for it is a flare nut wrench. i've always called them fitting wrenches, like for brass fittings.
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Old 11-26-2011, 06:00 AM
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they wrap around the nut. essential for brake lines.


Last edited by schumicat; 11-26-2011 at 06:32 AM..
Old 11-26-2011, 06:28 AM
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Oh I see, I have those but my pos hf wrenchs flex like crazy, my longer AZ tools are more firm to tackle those nuts
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'85 Carrera Targa
Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace
PCA/POC
Old 11-26-2011, 01:27 PM
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Check out Yellow Garage on You Tube 911 fuel filter change. Use flares on all brass fittings, ie brakes, fuel ect.

Old 11-26-2011, 06:50 PM
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