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 DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSBATTERYPARASITIC DRAW
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN W
Parasitic Draw
2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION Parasitic Draw
Note the battery reserve capacity. Refer to Battery Usage.
- Divide the reserve capacity by 4.
- Compare this to the multimeter milliampere reading.
- The parasitic current drain should not exceed this number.
- Example: If a battery has a reserve capacity of 100 minutes, the current drain should not exceed 25 mA. Battery Usage
- Divide the reserve capacity by 4.
- Compare this to the multimeter milliampere reading.
- The parasitic current drain should not exceed this number.
- Example: If a battery has a reserve capacity of 100 minutes, the current drain should not exceed 25 mA. Battery Usage
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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.