TrailBlazer 4WD L6-4.2L VIN S (2002)
2. Install the ignition coil retaining bolts (2).
Tighten
Tighten the ignition coil retaining bolts to 10 N.m (89 lb in).
3. Replace the ignition coil connectors (1).
4. Replace the resonator.
5. Install the resonator bolts (2).
Tighten
Tighten the resonator retaining bolts to 10 N.m (89 lb in).
6. Tighten the integral clamp holding the resonator to the engine.
Tighten
Tighten the integral clamp to 4 N.m (35 lb in).
