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 MANUALSHONDA2010CIVIC L4-1.8L CNGREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIR
2010 Honda Civic L4-1.8L CNG
Alternator: Service and Repair
2010 Honda Civic L4-1.8L CNGSECTION Service and Repair
Alternator Removal and Installation
Removal
1. Do the battery terminal disconnection procedure. Procedures
2. Remove the drive belt. Service and Repair
3. Disconnect the alternator connector (A) and the positive alternator cable (B) from the alternator.
4. Remove the harness connector (C) and the harness clamps (D).
5. Remove the alternator.
Installation
1. Install the alternator.
2. Connect the alternator connector (A) and the positive alternator cable (B). Make sure the crimped side of the ring terminal faces away from the alternator when you connect it.
3. Install the harness connector (C) and the harness clamps (D).
4. Install the drive belt. Service and Repair
5. Do the battery terminal reconnection procedure. Procedures
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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.