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 MANUALSCHEVROLET2002EXPRESS 1/2 TON VAN V6-4.3L VIN WREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIRGENERATOR REPLACEMENT - AUXILIARY
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN W
Generator Replacement - Auxiliary
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION Generator Replacement - Auxiliary
REMOVAL PROCEDURE
1. Disconnect the battery negative cable.
2. Remove the upper fan shroud.
3. Remove the drive belt from the generator.
4. Remove the mounting bolts for the auxiliary generator brace.
5. Remove the generator brace from the vehicle.
6. Remove the nut and battery cable from the generator.
7. Remove the electrical connector from the generator.
8. Remove the generator from the vehicle.
INSTALLATION PROCEDURE
1. Install the generator to the vehicle.
2. Connect the electrical connector to the generator.
3. Install the nut and battery cable to the generator.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the auxiliary generator brace.
5. Install the auxiliary generator bolts.
Tighten
- The long bolts to 50 N.m (37 lb ft).
- The short bolts to 25 N.m (18 lb ft).
6. Install the drive belt to the generator.
7. Install the upper fan shroud.
8. Connect the battery negative cable.
1. Disconnect the battery negative cable.
2. Remove the upper fan shroud.
3. Remove the drive belt from the generator.
4. Remove the mounting bolts for the auxiliary generator brace.
5. Remove the generator brace from the vehicle.
6. Remove the nut and battery cable from the generator.
7. Remove the electrical connector from the generator.
8. Remove the generator from the vehicle.
INSTALLATION PROCEDURE
1. Install the generator to the vehicle.
2. Connect the electrical connector to the generator.
3. Install the nut and battery cable to the generator.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the auxiliary generator brace.
5. Install the auxiliary generator bolts.
Tighten
- The long bolts to 50 N.m (37 lb ft).
- The short bolts to 25 N.m (18 lb ft).
6. Install the drive belt to the generator.
7. Install the upper fan shroud.
8. Connect the battery negative cable.
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.