GM Service Manual Online
For 1990-2009 cars only

    Object Number: 244080  Size: SH
  1. While holding the coil outer casing (1), turn the coil center casing counterclockwise until the coil reaches the stop.
  2. Turn the coil center casing clockwise 2.5 turns.
  3. Align the arrow on the center casing with the arrow on the outer casing (2).