Removal & Installation (2.2L, 2.5L, 3.1L & 3.4L)

1. Disconnect negative battery cable. Unplug connectors at ignition module. Disconnect spark plug wires from coil pack. Remove ignition module from engine block. Remove coils and assembly plate.
2. On 2.5L engines, inspect crankshaft sensor "O" ring for wear, cracks or other damage. Replace as necessary. Lubricate new "O" ring with engine oil before installing.
3. To install, reverse removal procedure. Tighten ignition coil nuts and module to specification. See TORQUE SPECIFICATIONS  table at end of article.

NOTE: If spark plug boots adheres to spark plugs, use Boot Remover (J-36011). Twist first and then pull upward. Boots must be in place on housing before installing ignition system assembly, or damage may result.

Fig 1: Locating Distributorless Ign. Module Components (3.1L & 3.4L)

Courtesy of GENERAL MOTORS CORP.