Volume 45, Issue 1 (January 2000)

    When Is 100% Inspection Not Enough? An Analysis of Three Pickup Truck Front Wheel Assembly Failures

    (Received 15 January 1999; accepted 13 April 1999)

    CODEN: JFSOAD

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    Abstract

    The loss of a cotter pin in the front wheel assembly of cars and trucks has been a problem for several years. This is shown by the fact that the automobile manufacturers have been committed to a 100% inspection of the process for installing them on cars and trucks. In this paper, three accident cases are presented, along with a method by which the forensic engineer can determine if a cotter pin has ever been installed on the front wheel assembly. Testing was done to show what the spindle would look like if the cotter pin had been installed properly and forcibly removed. Photographs show both the accident and test spindle for comparison.


    Author Information:

    Van Kirk, DJ
    Consultant, consulting engineer, and president, Van Kirk and Associates, Dearborn Heights, MI

    Sas, JP
    Consultant, consulting engineer, and president, Van Kirk and Associates, Dearborn Heights, MI

    Cross, PN
    Consultant, consulting engineer, and president, Van Kirk and Associates, Dearborn Heights, MI


    Stock #: JFS14655J

    ISSN: 0022-1198

    DOI: 10.1520/JFS14655J

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    Author
    Title When Is 100% Inspection Not Enough? An Analysis of Three Pickup Truck Front Wheel Assembly Failures
    Symposium , 0000-00-00
    Committee E30