Thursday, December 10, 2015

Replacing the fuel pump on any car is a do-it-yourself repair for someone with a bit of experience in basic car repair. Make sure you have a good repair manual handy for your particular Mercedes and the help of a friend before you get started. Read on to learn how to replace a Mercedes fuel pump.

Instructions

    1

    Remove the fuel lines from the fuel pump by loosening the nut connected to the fuel pump and the one connected to the fuel line.

    2

    Unscrew the hex cap screws that attach the fuel pump to the rest of the car. You don't have to remove them, just make sure they're loose.

    3

    Pull up on the fuel pump lightly to remove. Pour any fuel remaining in the fuel pump into a container for recycling.

    4

    Clean away any grease or gunk around the edges of the mounting surface. Left over grease and grime will keep the new fuel pump from attaching correctly.

    5

    Install new gaskets on the fuel pump mounting surface before installing the new fuel pump.

    6

    Push up on the new fuel pump to attach it to the mounting surface.

    7

    Reattach the two fuel lines to the new fuel pump. Turn the key and pump the gas pedal a few times. It may take several tries to get the fuel flowing through the new fuel pump.

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