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 MANUALSCHEVROLET1987SUBURBAN 1/2 TON 2WD V8-379 6.2L DSLREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIRCS SERIES ALTERNATOR REPAIRCS-121 AND CS-130 REPAIR PROCEDURES
1987 Chevrolet Suburban 1/2 Ton 2WD V8-379 6.2L DSL
CS-121 and CS-130 Repair Procedures
1987 Chevrolet Suburban 1/2 Ton 2WD V8-379 6.2L DSLSECTION CS-121 and CS-130 Repair Procedures
Do not attempt to disassemble a CS-121 or CS-130 series generator. Damage to the generator assembly could result. The CS-121 or CS-130 series generators are not repairable and must be replaced as an assembly.
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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.