DIY Fuel Filter Replacement
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Thread: DIY Fuel Filter Replacement

  1. #1
    Broke @$$ Fool BlackElantraGT has not yet proved knowledgeable BlackElantraGT's Avatar
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    Default DIY Fuel Filter Replacement

    Fuel Filter Replacement by BlackElantraGT

    Difficulty: 2 on a difficulty scale from 1-5

    CAUTION: Please do not smoke or have any open wires or electrical sources nearby. Make sure your battery negative is disconnected. Work on the car in a well ventilated area because the fumes will be strong.

    Tools Needed:
    3/8" drive Ratchet
    1/4" drive Ratchet
    12mm socket
    8 mm socket
    10mm combination wrench
    Phillips and flathead screwdriver
    Plier

    Step 1:
    Remove both rear seats using the 3/8" ratchet attached to the 12mm socket. There are a total of 4 12mm bolts, 2 for each seat.



    Step 2:
    Remove 1 panel clip. It easily came out using just my fingers but you might need a flat head screwdriver to pop it out.



    Step 3:
    After removing the panel clip, pull back the carpeting. Open the fuel tank access lid and disconnect the harness




    Step 4:
    Once you've disconnected the harness, start your car and let it idle until the engine shuts down on its own. While you're doing this, it's a good time to roll down all your windows for some fresh air while you're working. It'll take about 3-5 mins before the engine turns off. This process is to depressurize the fuel lines. If you forget this process, you'll have pressurized fuel shooting everywhere. After the engine dies, remove the negative terminal from your battery with the 10mm wrench.



    Step 5:
    Now that the power source is disconnected, pull up both front seats to give yourself plenty of working room if you already haven't done so. Have some shop towels or some old rags ready to wipe down fuel because you'll have some gas shoot out no matter what. Disconnect the first line by pressing the tabs on the side. This line will definitely shoot out some fuel. Wipe it down, and then using some pliers, squeeze the hose clamp on the other line and place the clamp towards the bottom so you can remove the hose. Wipe any excess fuel off.




    Step 6:
    Using a screwdriver, remove the 8 screws holding down the fuel assembly. On my car, 2 of the screws were badly stripped from the factory, so I found it much easier just to use a 1/4" drive ratchet attached to an 8mm socket. Once all the screws are removed, carefully remove the ring and its gasket and place it aside. It'll be much easier if you take it off without turning the ring, setting it aside, and placing it back in the same way you took it off. By doing this, you won't have much trouble aligning the 8 holes for the screw when you put it back on.



    Step 7:
    Have your rags ready. The next step is to take out the whole assembly from the fuel tank. In order to do so, you have to pull it up, and then at an angle for it to clear the opening in your fuel tank. Once you have it at an angle, a lot of fuel will be spilling out. Try to have most of that fuel go back in the tank. Just make sure you have something to wipe it down and soak up the fuel.

    Step 8:
    To remove the top part of the assembly, push in on the 3 clips holding it in and carefully pull up on it to take it off. Once this comes off, you'll be able to disconnect the harness, along with the harness that attaches to the fuel pump itself.



    Step 9:
    Pop off the metal bracket that holds in this unit using a screwdriver or in my case the end of my pliers. Once the bracket is off, the unit can be easily removed just by pulling it off. You don't have to remove the hose. That hard plastic hose is pretty hard to come off, so just leave it in the assembly as is. You will later attach this piece back onto your new fuel filter, and then hold it in place again with the original metal bracket.




    Step 10:
    There are 2 clips holding in the fuel filter. Pull back on the clips while pulling out the fuel filter unit itself. Eventually you'll be able to pull it off completely. Do not throw away your old fuel filter just yet! Unfortunately Hyundai does not supply the new fuel filter with these 2 plastic washers, 2 rubber rings, and a cap that you will need. If you forget to put these on the new fuel filter, you will NOT be able to start your car. DON'T FORGET! The white plastic washer goes in first, then the black rubber ring, followed by the other white plastic washer, and finally the last black rubber ring. Once you have this inside the new fuel filter, pop the original cap back on







    Step 11:
    Once you have these items transferred over onto the new fuel filter, place it back into the fuel assembly. Now reverse the steps to put everything back in!

    Before you start your car, put your key in and put it into the on position. You should hear the fuel pump priming itself. Once the noise stops, you can go ahead and start your car.

    Note: There is an O-ring on the original filter that people sometimes miss which can result in the car not starting after installing the new filter - make sure you've read this post before you begin installation.
    Last edited by Leviathant; 03-27-2011 at 09:49 PM. Reason: Adding addt'l O-Ring info

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  3. #2
    Full Member golfino has not yet proved knowledgeable golfino's Avatar
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    Default Re: DIY Fuel Filter Replacement

    Excellent, Thanks
    05 GLS 17x7.5 Alessio Wheels, 215-45-17 General Tire UHP, Modified Stock Box CAI, Tib Sway-Bar, Chrome Inside Handles, OEM Chrome GT Tweeters, Clear Side Markers, Red Dash Lighting, M3 Trunk Lip Spoiler. Tib OEM Wiper Spoiler, H&R Springs

  4. #3
    Ultimate Post Whore FordFasteRR can identify a wrench FordFasteRR's Avatar
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    Default Re: DIY Fuel Filter Replacement

    superb ! =) masterful job !

  5. #4
    The Juggernaut B*tch!!! Mad_Hatter has not yet proved knowledgeable Mad_Hatter's Avatar
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    Default Re: DIY Fuel Filter Replacement

    Great Job man...knew you'd come through...lol
    -bill

  6. #5
    Senior Member elantra_mann84 has not yet proved knowledgeable elantra_mann84's Avatar
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    Default Re: DIY Fuel Filter Replacement

    this si one of the most reliable diy ive seen around thanks alot im past due on one

  7. #6
    Administrator SuperGLS has information that can be trusted SuperGLS has information that can be trusted SuperGLS's Avatar
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    Default Re: DIY Fuel Filter Replacement

    Nice work. I'll get this up and in the maintenance section of the DIY pages.

    Done! Let me know if I made any mistakes.
    Last edited by SuperGLS; 07-23-2006 at 10:43 PM.
    JustDonkeys: All the donkey news, info and fun you could want. Or on Twitter @JustDonkeys.

  8. #7

    Default Re: DIY Fuel Filter Replacement

    Nice timing.. doing that next weekend. I figured it would be easy but atleast i know what ill be working with now. Good job.
    "The true soldier fights not because he hates what is in front of him, but because he loves what is behind him." G.K. Chesterton
    "That's because Hyundai Jesus said so. Respect him." - SuperGLS

  9. #8
    Full Member Gregster has not yet proved knowledgeable
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    Default Re: DIY Fuel Filter Replacement

    Great write up, couple of questions.

    1. How long did it take?
    2. How much is the fuel filter?

    Thanks
    Greg

  10. #9
    Broke @$$ Fool BlackElantraGT has not yet proved knowledgeable BlackElantraGT's Avatar
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    Default Re: DIY Fuel Filter Replacement

    I would say that most people on here are probably more mechanically inclined than I am, so if you have the basic tools and you know how to use those basic tool, it's a fairly easy job, although slightly messy. You might want to consider waiting until your gas is a bit low. I did it when I still had more than 3/4 of a tank.

    As far as length of time, it took me more than a few hours because I was taking pictures and because of the heat we've been having in California lately, I waited until after dinner to start the job and found myself having trouble with screwing the ring and gasket back on in the dark. I also made the mistake of just taking off that ring, and tossing it aside instead of remember how the holes were. That was probably the hardest part of the job, until I realized that the holes only lined up a certain way.

    Since I had to go back into the fuel tank 3 times, if I had to do the job again I can probably do everything in less than 30 mins now that I've learned from my mistakes. I don't remember the exact price, but if I remember correctly, the total came out to less than $35 at the dealer, and that's with L.A. county 8.25% tax.

  11. #10
    Senior Member elantra_mann84 has not yet proved knowledgeable elantra_mann84's Avatar
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    Default Re: DIY Fuel Filter Replacement

    ok problem i just followed all the steps you told me i am mechanicly inclined and all but my car wont start

  12. #11
    Broke @$$ Fool BlackElantraGT has not yet proved knowledgeable BlackElantraGT's Avatar
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    Default Re: DIY Fuel Filter Replacement

    Did you remember to put the washers, rings, and cap back on? Look at the pics on Step #10.

  13. #12

    Default Re: DIY Fuel Filter Replacement

    Also the GLS seats have bolts in another position than in your pic. They are in between the upper and lower cushions. MAKE SURE you snap that pressure regulator ALL the way down. I didn't and 4 days later it came loose. Allowed pressure to drain off and made warm starts kinda hard. If you get that a few days after doing this recheck that thing. I know i snapped it but it didn't seat all the way. A bump must have dislodged it.
    "The true soldier fights not because he hates what is in front of him, but because he loves what is behind him." G.K. Chesterton
    "That's because Hyundai Jesus said so. Respect him." - SuperGLS

  14. #13
    Bagged and Dragged coco has not yet proved knowledgeable coco's Avatar
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    Default Re: DIY Fuel Filter Replacement

    so u dont have fuel squirting u can also take the gas cap off too.

  15. #14
    Senior Member elantra_mann84 has not yet proved knowledgeable elantra_mann84's Avatar
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    Default Re: DIY Fuel Filter Replacement

    i put everyting together like the diy tells you to like the plastic then washer then plastic then washer on the one nozzle now there is pressure i found out by taaking the line that goes to the fuel rail off and turned on my key and gas squirted out but it will not start still should i do anything with the ingectors??

  16. #15
    Full Member krellmk has not yet proved knowledgeable
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    Default Re: DIY Fuel Filter Replacement

    On the 02 Elantra the 2 bolts are between the the seat.. after removing the 2 bolts u have to pull both end of the seat up.. u need to apply some pressure while pulling up the seat.. unfortunately the dealer gave me the wrong filter.. it was too big and had more outlets than the orignal

  17. #16
    Senior Member elantra_mann84 has not yet proved knowledgeable elantra_mann84's Avatar
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    Default Re: DIY Fuel Filter Replacement

    and a note we needed to address is the the rubber inlet that goed from the fuel pump to the filter needs to be taken off the old one and placed on the new one or your psi will be like 3.4 and should be like 47 or sumthing

  18. #17
    Full Member krellmk has not yet proved knowledgeable
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    Default Re: DIY Fuel Filter Replacement

    Just did my fuel filter on my 02 Elantra this evening i had only one white washer which i put in first then the o rings and that cap thing also when i turn the old filter upside down there were two more o rings at the bottom of filter.

  19. #18
    Senior Member elantra_mann84 has not yet proved knowledgeable elantra_mann84's Avatar
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    Default Re: DIY Fuel Filter Replacement

    i just said that lol its the one that goes to the pump

  20. #19
    Full Member krellmk has not yet proved knowledgeable
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    Default Re: DIY Fuel Filter Replacement

    Damn.. looking for my glasses
    damn..lol

  21. #20
    Newbie addan14 has not yet proved knowledgeable
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    Default Re: DIY Fuel Filter Replacement

    quick question, i have a 2003 elantra gt, and i went to the dealer to buy the fuel filter and they said that only 2002 and prior models had fuel filters, that the 2003 was unserviceable, that it only had a sock, and you just wait for the pump to die, which didn't make sense to me, also haha, they said i should drain my transmission fluid cause anything other than hyundai's fluid would ruin my engine, what do you think about that?

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