Removal (4.3L)

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition off. Disconnect negative battery cable. Remove air cleaner assembly. Disconnect harness connectors from ignition coil. Slightly twist ignition coil wire at ignition coil. See Fig 1. Remove ignition coil wire at ignition coil by pulling on the wire boot.
Remove accelerator control cable bracket from intake manifold. See Figure. Remove ignition coil mounting studs. See Fig 2.
Remove ignition coil assembly. Drill and punch out the 2 rivets holding the ignition coil to the bracket. Remove ignition coil from bracket.

Fig 1: Removing/Installing Ignition Coil Wire (4.3L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Removing Ignition Coil (4.3L)

Courtesy of GENERAL MOTORS CORP.