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 MANUALSPONTIAC2010G6 V6-3.5LREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIRGENERATOR REPLACEMENT
2010 Pontiac G6 V6-3.5L
Generator Replacement
2010 Pontiac G6 V6-3.5LSECTION Generator Replacement
Generator Replacement (LZ4 or LZE) (3.5L)
The generator does not require periodic lubrication. The rotor shaft is mounted on bearings. Each bearing contains a permanent grease supply. Periodically check the mounting bolts for tightness, and the drive belt tension. The drive belt is self-adjusting, within the operating limits of the tensioner. Refer to Engine Mechanical for tensioner information.
Removal Procedure
Note: Service the generator as a complete unit.
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
2. Remove the drive belt. Refer to Drive Belt Replacement Service and Repair.
3. Remove the generator electrical connections.
4. Remove the generator mounting nuts and bolts.
5. Remove the generator.
Installation Procedure
Caution: Refer to Fastener Caution Fastener Caution.
1. Install the generator.
* Tighten the bolts to 50 Nm (37 lb ft).
* Tighten the nuts to 30 Nm (22 lb ft).
2. Install the generator electrical connections.
3. Install the drive belt. Refer to Drive Belt Replacement Service and Repair.
4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
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.