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You are watching: How to depressurize a fuel system


Time to change my fuel filter on mine bird. I"ve done part searching however haven"t found what i"m spring for. How do i depressurize my fuel system to adjust the filter? thanks for the time.
1994 Thunderbird LX 4.6custom exhaust w/ Borla XR-1"s, in march underdrive pulleys, k&n fipk, transgo transition kit, eliminated air silencer2001 lamb Air cool Am GTremoved air silencer, silverstars
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Time to adjust my fuel filter on my bird. I"ve done some searching but haven"t discovered what i"m feather for. Just how do i depressurize mine fuel mechanism to adjust the filter? thanks for the time.

the fuel inertia switch in the trunk. Start the car, push the switch, let it run out of gas. joseph
"Booyah". Stu Scott.1996 Braincoated, every Aluminum PI powered and also obscenely according to Pearl White Tbird AKA Dyrdek.2013 black color on black FX2 Supercrew Ecoboost F150. Roll onto the scene with the ceiling missing.
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You"re correct. You have to unplug it. OGB more than likely just had a on slide of the keyboard. (Pressing the switch resets the circut ~ it"s to be tripped)
"I"m fat, you"re ugly.. I can diet!""I may not be smart, however I have the right to lift hefty objects""10 Million sperm, and also look i m sorry one acquired through"
Just permit the car sit for around 4 hours and then do it. Part gas can come out however not alot and not with any type of pressure behind it. And with a larger Walbro pump, it will loose pressure faster. I have a guage on mine fuel rails and I can turn turn off the car and around a couple of hours later, there wont be much pressure left.But the correct means to execute it is to obtain the correct tool that connects come the valve top top te fuel rail to relieve the pressure. However Iv never ever done it the way. If im in a hurry, just grab a towel and also let the spray. Not much will come out.
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agreed.Just to buy a pair of plastic safety goggles and also let that spray. That doesn"t spray choose a firehose or anything, simply a small squirt.JH
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You"re correct. You need to unplug it. OGB most likely just had actually a slip of the keyboard. (Pressing the button resets the circut after it"s been tripped)

yeah it is what i meant...thanks. Anyway, the lasty time i did it. I just disconnected the filter and barely anything came out. However i supplied the small stopped the came through my filter just incase some would certainly drip out.joseph
"Booyah". Stu Scott.1996 Braincoated, every Aluminum PI powered and obscenely loud Pearl White Tbird AKA Dyrdek.2013 black color on black FX2 Supercrew Ecoboost F150. Role onto the scene v the ceiling missing.
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Another method to depressurize would be come look ~ above the fuel rail. Friend see have that small valve stem spring thing. Simply push the in (as if you were letting air the end of a tire) and that must relieve many of the pressure. Yes you will still spill alittle bit of fuel when you drop the fuel filter however that"s expected.-Derrick-
the fuel inertia move in the trunk. Begin the car, press the switch, let it operation out of gas. Joseph

1994 Thunderbird LX 4.6custom exhaust w/ Borla XR-1"s, march underdrive pulleys, k & n fipk, transgo change kit, eliminated air silencer2001 lamb Air grand Am GTremoved waiting silencer, silverstars
Drivers side, behind the carpet, inbetween the taillight and also the wheel hump. Its a black box around 2 inch tall and 1 inch wide with a button on the top.When i did the in mine, ns unscrewed that from the metal and also unplugged it.When you"re done, if the vehicle won"t begin make certain you have actually pushed the botton and that it"s plugged earlier in.
Working top top My auto Is my TherapyKatrian `05- The Camping trip From Hell.1998 mark VII LSCJ-Mod. Tans Cooler. Cobra Brakes. 18" wheels. Bags room gone and also GP Springs in place.
This is a perfect time to TEST her inertia switch. Simply start the car, pull earlier the carpet ~ above the chauffeurs side and whack the move gently v the handle of a screwdriver. Whack the a little harder till it trips. If you manage to dent or mar the plastic, it"s no working and also you have to find another one. The totality purpose of the switch is to reduced power to the fuel pump in event of a collision. Once you expedition it, the auto will dice within a couple of seconds. Climate there"ll be tiny if any fuel left in the line.
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This may sound silly but whatever you carry out take the key out if the ignition once you job-related on the fuel system.
Working top top My automobile Is mine TherapyKatrian `05- The Camping pilgrimage From Hell.1998 mark VII LSCJ-Mod. Tans Cooler. Cobra Brakes. 18" wheels. Bags space gone and GP Springs in place.

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I"m through BlackBird top top this one. The whole reason you room supose come depressuirze your system is since it"s the safe thing to do to avoid fires if the vehicle is heat or to safeguard your eyes. If your vehicle is cold, which means it"s been sitting for a while, there is barely any kind of pressure in the line. I swapped mine injectors today and also the car was sit overnight. When I popped the lines off, that was simply a slow-moving dirzzle and also very small came out.Pete
Oh, and also J, ns bet there"s a story behind that ide that ns think would certainly be worthy of telling.Pete
Working top top My vehicle Is mine TherapyKatrian `05- The Camping pilgrimage From Hell.1998 mark VII LSCJ-Mod. Tans Cooler. Cobra Brakes. 18" wheels. Bags are gone and GP Springs in place.
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