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Drivetrain

How to Replace Engine Knock Sensor 2004-2009 Audi A4 Quattro 20L I4

Created on: 2025-01-03

This video shows you how to install a new knock sensor in your 2004-2009 Audi A4 Quattro 2.0L I4.

Tools needed

  • 12mm Socket

    13mm Socket

    Torque Wrench

    17mm Wrench

    10mm Wrench

    Brake Parts Cleaner

    Safety Glasses

    Pick

    Side Cutters

    Gloves

    Flat Blade Screwdriver

    Phillips Head Screwdriver

    Bungee Cord

    Silicone Paste

    Hose Clamp Pliers

    10mm Socket

    Drain Pan

    T30 Socket

    Ratchet

    Cloth Rags


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