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  1. #1
    Senior Member Three Rings G-Bus's Avatar
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    Aug 25 2008
    AZ Member #
    32332
    Location
    Montreal, Canada

    Rattling noise from fuel pump

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    I have this rattling noise from the fuel pump right before starting when it builds up pressure. It started doing it yesterday and its been really cold out here lately. I went to the car wash yesterday, I have no idea if it has anything to do with it.

    What could it be? Is she slowly going away or it's maybe the fuel filter? It still rattles 3 seconds after the engine started.

    Thanks.
    Last edited by G-Bus; 01-01-2009 at 12:37 PM.

  2. #2
    Senior Member Three Rings G-Bus's Avatar
    Join Date
    Aug 25 2008
    AZ Member #
    32332
    Location
    Montreal, Canada

    Re: Rattling noise from fuel pump

    Bump, I'm starting to get worried... Do I place an order for a new fuel pump and filter or only filter? LOL

  3. #3
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '13 A5, '24 Tiguan SEL R-Line
    Location
    Western Maryland

    Re: Rattling noise from fuel pump

    Quote Originally Posted by G-Bus View Post
    Bump, I'm starting to get worried... Do I place an order for a new fuel pump and filter or only filter? LOL
    I would recommend replacing the filter first since it is relatively easy to do, is a lot cheaper than the pump and should be replaced every few years anyway. If that doesn't cure it then consider replacing the pump.

    cheers!
    '03 A4 5-MT Motoza tuned Frankenturbo F21L With full supporting mods. Sold (and missed dearly).
    '13 A5 6-MT Needs more Fun Stuff: Neuspeed PM / 3.0 TDI Intercooler / H&R OE Sport Springs / Bilstein B8 Shocks / TyrolSport Brake Stiffeners / ECS Short Shifter / S5 Side Skirts / RS Grille

  4. #4
    Senior Member Three Rings G-Bus's Avatar
    Join Date
    Aug 25 2008
    AZ Member #
    32332
    Location
    Montreal, Canada

    Re: Rattling noise from fuel pump

    Quote Originally Posted by old guy View Post
    I would recommend replacing the filter first since it is relatively easy to do, is a lot cheaper than the pump and should be replaced every few years anyway. If that doesn't cure it then consider replacing the pump.

    cheers!
    Thank you sir and have a happy new year! I will change de filter tomorrow.

  5. #5
    Veteran Member Three Rings braker15's Avatar
    Join Date
    Nov 15 2008
    AZ Member #
    35279
    My Garage
    2000 S4 Nogaro Blue
    Location
    S.Florida

    Re: Rattling noise from fuel pump

    well, seems like ur pump is on the way out. It happened to me too, I've been hearing noises coming back of the car, I thought it was the new exhaust rubbing on the body. but the next thing i know, iam calling AAA to come get my ass in a middle of a highway.

  6. #6
    Senior Member Three Rings G-Bus's Avatar
    Join Date
    Aug 25 2008
    AZ Member #
    32332
    Location
    Montreal, Canada

    Re: Rattling noise from fuel pump

    It was the fuel filter. There was water that froze in it.

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