Friday, January 17, 2014

How to Measure Chevy Bolt Patterns

The Chevrolet Motor Company introduced its first vehicle to consumers in 1912. Later merged with General Motors, Chevrolet produces many wheel styles and sizes for its vehicles. Determining the wheel bolt pattern size for your vehicle will enable you to purchase the correct equipment or aftermarket replacements.

Instructions

    1

    Remove one of your vehicles wheel covers (if equipped) to gain access to the lug studs. Certain original factory wheel covers use faux plastic lug nut covers that secure the hub cap to the rim; you must use an appropriate size lug wrench to loosen the plastic lug nut covers in order to separate the hubcap from the rim. Certain wheel cover styles may require you to pry along the outside parameter, between the rim and hub cap, for proper removal.

    2

    Count the number of lug bolts that secure the wheel to the vehicle.

    3

    Measure the distance between the middle of one lug stud to the middle point of the stud directly across when dealing with four-, six- and eight-lug applications. For five-lug vehicles, measure from the outside edge of one stud to the middle point of the farthest stud across.

    4

    Note the measurement in both metric (millimeters) and American standard (inches). A wheel with five lug studs and a measurement of 4.5 inches translates as a 5-by-4.5-inch or 5-by-114.3-inch bolt pattern when converted to millimeters.

    5

    Reinstall the wheel cover after obtaining the correct measurements, if necessary.


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