TrailBlazer 4WD L6-4.2L VIN S (2002)
2. Install the spark plugs to the engine. Tighten the spark plugs to 18 Nm (13 lb ft).
3. Install the ignition coils. Refer to Ignition Coil Replacement.
2. Install the spark plugs to the engine. Tighten the spark plugs to 18 Nm (13 lb ft).
3. Install the ignition coils. Refer to Ignition Coil Replacement.