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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 319 (HYBRID ENGINE ELECTRICAL SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Removal Procedure
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Refer to Battery Disconnect Caution
.
- Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and ConnectionΒ .
- Disconnect the engine wiring harness electrical connector (1) from the battery current sensor (2).
- Remove the negative battery cable clip (1) from the auxiliary bussed electrical center (BEC).
- Remove the negative battery cable ground terminal bolt (1) from the left side engine block boss.
- Remove the negative battery cable (3) and the engine wiring harness ground (2) leads from the engine block boss.
- Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
- Remove the engine wiring harness ground lead bolt (1) from the frame.
- Remove the engine wiring harness ground lead (2) and the negative battery cable lead (3) from the frame.
- Lower the vehicle.
- Remove the negative battery cable assembly (1) from under the positive battery cable and from the vehicle.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.