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 MANUALSCHEVROLET1986CHEVETTE L4-98 1.6LREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORTECHNICAL SERVICE BULLETINSCS-121/CS-130 GENERATORS - REPLACEMENT
1986 Chevrolet Chevette L4-98 1.6L
CS-121/CS-130 Generators - Replacement
1986 Chevrolet Chevette L4-98 1.6LSECTION CS-121/CS-130 Generators - Replacement
Number: 87-124
Section: 6D
Date: MAY, 1987
Subject: CS-121 AND CS-130 GENERATORS
Model and Year: SELECT 1986-87 PASSENGER CARS AND LIGHT DUTY TRUCKS
TO: ALL CHEVROLET DEALERS
Delco Remy CS-121 and CS-130 generators are serviced only by replacement with a completely assembled remanufactured generator. Disassembly is not authorized, and there are no service parts available.
Accordingly, the only labor code applicable to removing and replacing the CS-121 and/or CS-130 generators is labor code J4100.
Notice: CS-121 and CS-130 generators can be identified by the ampere rating stamped on the end frame:
CS-121 - 55, 61, 65 and 74 AMPS CS-130 - 85, 96, 100 and 105 AMPS
Service parts are available for CS-144 and "SI" series generators.
Section: 6D
Date: MAY, 1987
Subject: CS-121 AND CS-130 GENERATORS
Model and Year: SELECT 1986-87 PASSENGER CARS AND LIGHT DUTY TRUCKS
TO: ALL CHEVROLET DEALERS
Delco Remy CS-121 and CS-130 generators are serviced only by replacement with a completely assembled remanufactured generator. Disassembly is not authorized, and there are no service parts available.
Accordingly, the only labor code applicable to removing and replacing the CS-121 and/or CS-130 generators is labor code J4100.
Notice: CS-121 and CS-130 generators can be identified by the ampere rating stamped on the end frame:
CS-121 - 55, 61, 65 and 74 AMPS CS-130 - 85, 96, 100 and 105 AMPS
Service parts are available for CS-144 and "SI" series generators.
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.