GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Caprice WM 🢒 Preface 🢒 Cautions and Notices 🢒 Spark Plug Wire Replacement

Removal Procedure
  1. Remove the engine cover. Refer to Engine Cover Replacement .

    2. Object Number: 1950746 Size: SH
  2. Disconnect the spark plug wire (2) to the spark plug.
    3. • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from each spark plug.
  3. Disconnect the spark plug wire from the ignition coil (1).
    4. • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.

Installation Procedure

    Object Number: 1950746 Size: SH
  1. Install the spark plug wire to the ignition coil (1).
  2. Install the spark plug wire (2) to the spark plug.
  3. Inspect the spark plug wire for proper installation:
    4. • Push sideways on each spark plug boot in order to inspect the seating.
    • Reinstall any loose spark plug boot.
  4. Install the engine cover. Refer to Engine Cover Replacement .