Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006TRAILBLAZER 4WD V8-6.0L VIN HREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION COILSERVICE AND REPAIR
2006 Chevrolet TrailBlazer 4WD V8-6.0L VIN H
Ignition Coil: Service and Repair
2006 Chevrolet TrailBlazer 4WD V8-6.0L VIN HSECTION Service and Repair
IGNITION COIL(S) REPLACEMENT
REMOVAL PROCEDURE
1. Remove the intake manifold sight shield.
2. Remove the spark plug wire from the ignition coil.
3. Disconnect the ignition coil electrical connector.
4. Remove the ignition coil bolts.
5. Remove the ignition coil.
INSTALLATION PROCEDURE
1. Install the ignition coil.
2. Install the ignition coil bolts.
NOTE: Refer to Fastener Notice.
Tighten the bolts to 8 N.m (71 lb in).
3. Connect the ignition coil electrical connector.
4. Connect the spark plug wire to the ignition coil.
5. Install the intake manifold sight shield.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.