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 MANUALSCHEVROLET2007MONTE CARLO V8-5.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION COILSERVICE AND REPAIR
2007 Chevrolet Monte Carlo V8-5.3L
Ignition Coil: Service and Repair
2007 Chevrolet Monte Carlo V8-5.3LSECTION Service and Repair
Ignition Coil Replacement
Removal Procedure
Important: The following procedure shows the left side service procedure, the right side service procedure is similar.
1. Remove the engine sight shield.
2. Remove the connector position assurance (CPA) retainer (3).
3. Disconnect the ignition coil main electrical connector (4).
4. Remove the spark plug wire(s) (724) from the ignition coil(s), as necessary.
5. Remove the ignition coil bolts (723), as necessary.
6. Remove the ignition coil(s) (722), as necessary.
Installation Procedure
1. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the ignition coil bolts.
2. Install the ignition coil(s) (722), as necessary.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the ignition coil bolts (723), as necessary.
Tighten the bolts to 8 N.m (71 lb in).
4. Install the spark plug wire(s) (724) to the ignition coil(s), as necessary.
5. Connect the left ignition coil main electrical connector (4).
6. Install the CPA retainer (3).
7. Install the engine 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.