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 V8-5.7L VIN RREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIRGENERATOR PULLEY REPLACEMENT
2002 Chevrolet Express 1/2 Ton Van V8-5.7L VIN R
Generator Pulley Replacement
2002 Chevrolet Express 1/2 Ton Van V8-5.7L VIN RSECTION Generator Pulley Replacement
REMOVAL PROCEDURE
1. Remove the drive belt.
2. Install a T-50(R) TORX bit into the generator shaft.
3. Remove the generator shaft nut and washer.
4. Remove the generator pulley.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the generator pulley, washer and shaft nut.
Tighten
Tighten the generator shaft nut to 75 N.m (55 lb ft).
2. Install the drive belt.
1. Remove the drive belt.
2. Install a T-50(R) TORX bit into the generator shaft.
3. Remove the generator shaft nut and washer.
4. Remove the generator pulley.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the generator pulley, washer and shaft nut.
Tighten
Tighten the generator shaft nut to 75 N.m (55 lb ft).
2. Install the drive belt.
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.