GM Service Manual Online
For 1990-2009 cars only

All models use metric (M14 x 1.5) wheel attaching studs and nuts. There is only 1 type of wheel nut that is used to attach both alloy and steel wheels. Each wheel is attached to the wheel hub by 5  wheel hub studs and 5 wheel nuts.

For removal and installation instructions for the wheel attaching studs, refer to Wheel Stud Replacement for Front, or Wheel Stud Replacement for Rear.

Metric wheel/nuts and bolts are identified in the following way:

The wheel/nut has the word Metric stamped on the face.

The thread sizes of metric wheel/nuts and the bolts are indicated by the following example: M14 x 1.5.

    • M = Metric
    • 14 = Diameter in millimeters
    • 1.5 = Thread pitch in Millimeters