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2007 Toyota 4Runner Question: Sounds like a rock



smaze, 4.7L V8, Portland, OR, January 08, 2010, 17:39

Can a rock or pebble become lodged in the undercarriage? I hear a rolling rock sound under the passenger side floorboard sometimes when I brake.

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  • Answer #1

    January 15, 2010, 16:29

    it could be a breaking up Catalytic Converter, which is some what common on 4-runners.

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