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How to change my fuel filter


Bruce1
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Is there anything special I should know or do to change the fuel filter on my 2004 Pathfinder 4WD, SE?

 

I plan to get the new filter at dealer, unless there's information out there that says I shouldn't.

 

I plan to just disconnect the old one, let whatever gas drip, connect the new filter, and clean up.

 

Anything I should know about relieving the fuel pressue, etc?

 

New to the forum and think it's great.

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Welcome to the board... I believe to let the fuel pressure off you pull the fuse first... IIRC, the fuel filter on the R50 is a bitch to get at, hope you're good at contorting yourself!! :D

 

found this via google, because I'm too lazy to go find my haynes book:

 

To release the pressure in your fuel lines (and fuel filter) you'll need to locate the fuel pump fuse in the fuse box. If you don't have a fuel pump fuse, find the relay that operates the fuel pump. Once you've found the fuel pump fuse or relay, start the car. With the engine running, pull the fuse or relay out. If you pulled the right one, the engine will quickly die. Since it's using all of the pressurized fuel in the system, the fuel lines won't be pressurized when you crack the fittings on your fuel filter.

 

I know our relay is in the fuse box under the hood.

 

Good luck!

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Welcome to the board... I believe to let the fuel pressure off you pull the fuse first... IIRC, the fuel filter on the R50 is a bitch to get at, hope you're good at contorting yourself!! :D

 

found this via google, because I'm too lazy to go find my haynes book:

I know our relay is in the fuse box under the hood.

 

Good luck!

 

 

 

I would like to add to the quoted 'how to' that after it dies give it 5 or so more cranks till it absolutely wont try to start.

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Is there anything special I should know or do to change the fuel filter on my 2004 Pathfinder 4WD, SE?

 

I plan to get the new filter at dealer, unless there's information out there that says I shouldn't.

 

I plan to just disconnect the old one, let whatever gas drip, connect the new filter, and clean up.

 

Anything I should know about relieving the fuel pressue, etc?

 

New to the forum and think it's great.

 

 

Don't go to the Stealership! I got mine at WallyWorld (WalMart) for under $6USD.

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The filter is gonna be in the back above the rear diff area, its easy to locate and i would recommond lowering and removing the spare tire first it makes the job a whole lot easier to do.

 

 

Ohh BTW welcome

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Fram is the same brand that you buy at 90% of the parts stores like AutoZone, Western Auto, PepBoys, etc....And BTW, why is Fram CRAP! Not that i thinks its the best....but just wondering

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Fram is the same brand that you buy at 90% of the parts stores like AutoZone, Western Auto, PepBoys, etc....And BTW, why is Fram CRAP! Not that i thinks its the best....but just wondering

FRAM is just a name. In independent testing (though, admittedly, most I've seen were Oil filter tests) they routinely are shown to be the lowest quality filters.

 

I'm willing to assume that the same build quality (or lack thereof) goes into their other filters.

 

That said, for an oil filter, I don't worry about it too much. It's changed so often that I can't see too much of an issue.

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if yours looked like mine, spray the hell out of the bracket bolt with lube!!! not only was it easy to see but a bitch to reach but my bracket broke off due to being frail and rusty, lol, i had to get creative when i put it back together, and you def wanna pull the fuse to let the pressure out, even after i did that i wished i had another hand to plug the drip with. good luck and if your already frustrated with another part of the project...take a short break before starting the fuel filter...my $.02 good luck :)

Edited by Jarsiff
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Fram is the same brand that you buy at 90% of the parts stores like AutoZone, Western Auto, PepBoys, etc....And BTW, why is Fram CRAP! Not that i thinks its the best....but just wondering

 

 

OK, thanks for the advice. So I got it about: 1) twisting, not pulling; 2) pull the fuse and release the fuel pressure; 3) and body positions requiring much flexibility.

 

What about brand? I have to drive about 50-miles round trip to get a filter from the dealer, but Autozone, Advanced, NAPA, and others are in town. There's also mail order. Is there a meaningful differrence? I don't trust the guys in the parts shops to know or give good advise.

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Id say go through Napa they normally use WIX filters and they are a good brand. And again Remove your spare tire, not just drop it down but remove it. It will make the job 10x easier

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  • 2 weeks later...
Add to the advice, (yeah I broke my filter mount poo too) slide the filter either left or right then remove lines...this = no broken filter mount!

 

OK, here's what I did.

 

1. New filter (Fram) from Walmart. Maybe not the B-E-S-T choice, but I do not have a lot of evidence in favor on one brand over another.

 

2. Took the spare tire off. This is very good advice because you need the room to reach things.

 

3. Now, I get creative (and expose my limited ability to figure out the electical system). I didn't remove the fuse or relay for the fuel pump, but noticed that a portion of the lines that leading to the fuel filter were rubber and in good condition. So, I pinched them off with some soft jawed woodworking clamps to limit the amount of fuel spilled.

 

4. Sprayed the bracket with WD-40.

 

5. Twisted off the old fuel filter. Twisted on the new. Remounted new filter in the bracket.

 

6. Removed the clamps.

 

Worked like a charm :itsallgood:

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