Avalanche 2500 4WD V8-8.1L VIN G (2003)
Ignition Cable: Service and Repair
SPARK PLUG WIRE REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the spark plug wire at the spark plug.
-
Twist the spark plug wire 1/2 turn.
-
Pull only on the boot in order to remove the wire from the spark plug.
2. Disconnect the spark plug wire from the ignition coil.
-
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
1. Install the spark plug wire at the ignition coil.
2. Install the spark plug wire to the spark plug.
3. Inspect the wire for proper installation:
3.1.
Push sideways on the boot in order to inspect the seating.
3.2.
Reinstall any loose boot.