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Installing a Threaded Mount Air Filter Restriction Gauge

Installing an air filter restriction gauge is quick and easy!  The following instructions detail the steps to install a Filter Minder® Grommet Mount air filter restriction gauge in your vehicle.

Installation - Step One

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  • The air filter restriction gauge should be installed on the air filter housing (clean air side).

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    Step 1A

    The air filter restriction gauge should be installed on the air filter housing (clean air side).

  • Select the location for the gauge and check hood clearance.

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    Step 1B

    Select the location for the gauge and check hood clearance.

  • The gauge may be mounted vertically or horizontally.

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    Step 1C

    The gauge may be mounted vertically or horizontally.

Installation - Step Two

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  • Open the air cleaner housing and drill an 11/16" hole.

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    Step 2A

    Open the air cleaner housing and drill an 11/16" hole.

  • IMPORTANT: Do not let shavings fall into the intake manifold.

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    Step 2B

    IMPORTANT: Do not let shavings fall into the intake manifold.

  • A spade bit or similar cutting implement works well for plastic housings.

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    Step 2C

    A spade bit or similar cutting implement works well for plastic housings.

Installation - Step Three

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  • Press the rubber grommet into the 11/16" hole (drilled in Step Two) until it seats into the proper position, locking in place.

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    Step 3A

    Press the rubber grommet into the 11/16" hole (drilled in Step Two) until it seats into the proper position, locking in place.

  • Push the gauge into the rubber grommet until fully seated. If needed, use water or a mild soap solution to help insertion.

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    Step 3B

    Push the gauge into the rubber grommet until fully seated. If needed, use water or a mild soap solution to help insertion.

  • Do not use solvents, oil, or other petroleum based products, as they can crack the clear housing of the Filter Minder®.

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    Step 3C

    Do not use solvents, oil, or other petroleum based products, as they can crack the clear housing of the Filter Minder®.

Installation - Step Four

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  • Close the air cleaner cover, again taking care to prevent any shavings from entering the manifold. Ensure the Filter Minder® is securely seated.

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    Step 4A

    Close the air cleaner cover, again taking care to prevent any shavings from entering the manifold. Ensure the Filter Minder® is securely seated.

  • Unclamp the entrance to the air cleaner port and, with the engine running, slowly close off the opening.

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    Step 4B

    Unclamp the entrance to the air cleaner port and, with the engine running, slowly close off the opening.

  • Watch the Filter Minder® gauge ratchet up to indicate restriction. Push the reset button and you're done.

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    Step 4C

    Watch the Filter Minder® gauge ratchet up to indicate restriction. Push the reset button and you're done.