TrailBlazer 4WD L6-4.2L VIN S (2002)
Ignition Coil: Service and Repair
REMOVAL PROCEDURE
1. Remove the bolts (2) holding the resonator to the engine.
2. Loosen the clamp (3) on the resonator.
3. Remove the resonator.
4. Disconnect the ignition coil connectors (1) from the ignition coils.
5. Remove the retaining bolts (2) from the ignition coils.
