A slip yoke assembly is provided. The slip yoke assembly includes a slip yoke having a long bore extending between a first end and a second end and a counterbore at the second end of the long bore. The counterbore has a first diameter and a second diameter. The first diameter is greater than a major diameter of the long bore and the second diameter is greater than the first diameter. The slip yoke assembly also includes a plug having an elastomeric member secured to a surface thereof. The elastomeric member is disposed within the first diameter and the plug is disposed within the second diameter. The plug is secured to the slip yoke by a lip formed over the plug.