Removal (4.8L, 5.3L, 6.0L & 8.1L)
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
This component is initially installed using a self-tapping bolt(s). Care should be taken when removing and/or installing the self-tapping bolt(s). Failure to use care when removing and/or installing the self-tapping bolt(s) can lead to damage and unnecessary replacement of the self-tapping bolt(s) and/or the component the self-tapping bolt(s) is threaded into.
- Turn ignition off. Remove spark plug wire(s) from appropriate ignition coil(s). Twist the spark plug boot 1/2 turn. Pull only on the boot in order to remove the wire from the ignition coil.
- Disconnect harness connector(s) from appropriate ignition coil(s). Remove retaining bolts from appropriate ignition coil(s). Remove ignition coil(s) from engine.