Fuel Filter Replacement

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Jul 12, 2005
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anything special to know about fuel filter replacement? How to depressurize before removing the fuel lines?
 
You could take the gas cap off, I don't recall if I did that or not when I changed the filter. Make sure you have a pan as it does get a bit wet with gasoline
 
The FSM instructions are below
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Shoot.... wish I would have known procedure before disconnecting battery, removing starter, replacing radiator, water pump, thermo, hoses, and Pesky Heater hose. Still have to put in the starter but with it out it is easier to remove fuel line.

Any other alternatives ---- maybe just loosen gas cap, and loosen fuel line hoses, high pressure first?
 
Shoot.... wish I would have known procedure before disconnecting battery, removing starter, replacing radiator, water pump, thermo, hoses, and Pesky Heater hose. Still have to put in the starter but with it out it is easier to remove fuel line.

Any other alternatives ---- maybe just loosen gas cap, and loosen fuel line hoses, high pressure first?

It's not like there's a gazzilion psi of pressure in the fuel line. Just put a rag around the area and break one of the banjo fittings loose and relieve any remaining pressure in the line. It's no big drama.

Remember to slot one side of the new filter's tabs (search...) to make it easier to install/remove next time.

cheers,
george.
 
I just loosened the line till gas dripped down into a drip pan, when it slowed it was pressure free. Took like 5 min. But the filter took me 4 hours to do. I didn't have a service manual though.
 
Thanks Romer and George --- Thanks for getting the procedure Romer.
 
have couple of long ratchet extensions handy .. you will need 'em .. ( at least was my case .. in order to make it less pita )
 
Get out your dictionary of expletives. You'll probably use a bunch of them.

I have always just loosened the line slowly. Usually it doesn't spray or anything. A lot of gas is going to come out. Well, it will seem like a lot. Once all the pressure is off you can go ahead and loosen it the rest of the way though. Not nearly as serious as it sounds.

Also! you should do it in a ventilated area. Like outside, or open your garage door while you're doing it.

Edit: Also be careful with the nuts on the fuel lines. It's best if you have a line wrench but sometimes it's hard to get one in there. They make a socket/wrench thing that is a line wrench that goes on the end of an extension. That's what I use for fuel filters. They're not cheap tho.
 
I didn't have much/any pressure in mine - truck had been parked for a week or so when I did it. A good amount of fuel leaked out.

Slotting one of the holes makes a HUGE difference in re-installing. Think it was the engine side - search will tell you for sure.

Andanother caution on the ventilation. Make sure you don't have any pilot lights out there - kid and his father were killed here a few years ago when the vapors from a fuel system they were working on were touched off by a water heater pilot light.
 
I did mine and it wasn't too bad. Might as well do your PHH at the same time. Here's some tips

1. Loosen both banjos before removing mounting bolts.
2. Once you remove mounting bolt closest to to you can look and see the other bolt on the other side which makes it easier to get your socket on.
3. Once the filter is in place install the banjos and copper washers loosely.
And tighten them up once the filter is installed and tight and make sure to check for leaks.
4. MAKE sure you use a flare wrench or box end wrench.
 
I did mine and it wasn't too bad. Might as well do your PHH at the same time. Here's some tips

1. Loosen both banjos before removing mounting bolts.
2. Once you remove mounting bolt closest to to you can look and see the other bolt on the other side which makes it easier to get your socket on.
3. Once the filter is in place install the banjos and copper washers loosely.
And tighten them up once the filter is installed and tight and make sure to check for leaks.
4. MAKE sure you use a flare wrench or box end wrench.

Did you all replace the four little gaskets? Don't remember ordering those when I got my fuel filter couple years ago. Anyway, was getting ready to do this job and saw this post.
 
Did you all replace the four little gaskets? Don't remember ordering those when I got my fuel filter couple years ago. Anyway, was getting ready to do this job and saw this post.

Doh, never mind..., just checked the box.
 

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