No Centering Window On Front/No Spring Service Lock On Back

Hold coil with face up. See Fig 1. Rotate coil hub clockwise until coil ribbon stops. Rotate coil hub, slowly, counterclockwise, 2 1/2 revolutions. This is center position. While maintaining this position, align centering coil assembly with horn tower, and slide onto steering shaft.

Fig 1: Centering S.I.R. Coil Assembly (Clockspring)

Courtesy of GENERAL MOTORS CORP.