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 MANUALSCHEVROLET1985G 30 VAN V8-379 6.2L DSLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSERVICE PRECAUTIONSELECTRONIC COMPONENT REPLACEMENT
1985 Chevrolet G 30 Van V8-379 6.2L DSL
Electronic Component Replacement
1985 Chevrolet G 30 Van V8-379 6.2L DSLSECTION Electronic Component Replacement
1. Before servicing electronic components, ensure ignition is "OFF" and disconnect the battery ground.
NOTE: Before removing battery ground, access trouble codes. ECU memory will be erased if ground cable is removed.
Before connecting battery ground, ensure ignition is "OFF".
2. Fuel and Engine Control System wiring should be at least 4 inches away from ignition wires.
NOTE: Before removing battery ground, access trouble codes. ECU memory will be erased if ground cable is removed.
Before connecting battery ground, ensure ignition is "OFF".
2. Fuel and Engine Control System wiring should be at least 4 inches away from ignition wires.
RENDER: 1.0x
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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.