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How To Change the Fuel Filter

Discussion in 'Auto Modifications Section' started by LadyDeath, Mar 9, 2015.

  1. LadyDeath

    LadyDeath Senior Marketing Officer
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    A new fuel filter can protect your engine from very costly damages, so follow the rule of thumb and replace it annually. Dealing with fuel and fuel filters can be dangerous work if you?re not prepared. If you?re not a DIY mechanic, carry it by your local mechanic to get it done.



    1. Most importantly, start by relieving fuel system pressure. If you don?t, the results can be explosive, to say the least. Locate the fuel pump fuse on the fuse box. If you don?t have a fuel pump fuse, find the relay that operates the fuel pump. Start your car, and with the engine running, pull the fuse or relay out. When the engine dies, you?ll know that you pulled the right one.
    2. Disconnect the fuel lines from the fuel filter. Find two open-end wrenches that are the correct size for your fuel filter fittings (usually you?ll need two different sizes).
    3. When the wrenches are in place, put a rag over the fitting to protect yourself in case there is still some pressure in the lines.
    4. Hold the wrench that fits on the actual filter, and turn the other wrench counter-clockwise until that bolt comes out.
    5. Slide the fuel line off the bolt and set the bolt aside.
    6. Repeat the process for the other side of the fuel filter.
    7. Remove the old fuel filter. Most filters are held in place by a clamp that you can release by using a flathead screwdriver. Be careful here, as the old fuel filter could still have some gas in it!
    8. Change the fuel filter washers, which are located on the bolts that connect the fuel lines to the fuel filter. Make sure to match the new ones up correctly.
    9. Install the new fuel filter, which is the opposite of the process you performed to remove the old fuel filter.
    10. Return the fuel pump fuse or relay before you try to start the car.
     
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  3. nirtime

    nirtime Active Member

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    Where can I get a replacement under the hood gasoline filter? No one seems to stock parts I need.

    Good write up, it basically covers the process.
     
  4. BrotherHood

    BrotherHood Member

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    Hmm, yuh know I never change the fuel filter on the CS3.
    Great info.
     
  5. grimreaper009

    grimreaper009 Moderator
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    I did this once was an interesting experience lol n i also disconnected my battery just in case
     
  6. nirtime

    nirtime Active Member

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    Its so easy to overlook on a gasoline, hard to find for some vehicles though.
     
  7. grimreaper009

    grimreaper009 Moderator
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    yea it sometimes blend in well underneath the car yes :/
     
  8. nirtime

    nirtime Active Member

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    Be glad you have an external filter, some of the newer vehicles only have an in tank filter, you have to drop the tank from underneath to access it.
     
  9. nirtime

    nirtime Active Member

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    I changed my fuel filter without depressurizing the system. My filter uses oem in line "clip style" fittings. No problems in doing so other than that it was a massive pain to squeeze the release points.

    However my vehicle was sittimg overnight so that had something to do with it.
     
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