GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Engine 🢒 Engine Controls and Fuel - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Spark Plug Wire Replacement

Removal Procedure

    Object Number: 74069 Size: SH
  1. Disconnect the spark plug wires at each spark plug:
    2. • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from each spark plug.
  2. Disconnect the spark plug wires from the ignition coil:
    3. • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wires from the ignition coil.

Installation Procedure

    Object Number: 74069 Size: SH
  1. Install the spark plug wires at the ignition coil.
  2. Install the spark plug wire to each spark plug.
  3. Inspect the wires for proper installation:
    4. • Push sideways on each boot in order to inspect the seating.
    • Reinstall any loose boot.