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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2269 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (LH2 WITH TOP POST)REMOVAL PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Always use replacement cables that are of the same type, diameter and length of the cables that you are replacing.
Always route the replacement cable the same way as the original cable.

Fig 1: Battery, Cover & Clamp Locking Lever

Courtesy of GENERAL MOTORS CORP.

Disconnect the negative battery cable (2). Refer to Battery Negative Cable Disconnection and Connection (LHD With Top Post) .

Fig 2: I/P Harness Electrical Connector & Battery Current Sensor

Courtesy of GENERAL MOTORS CORP.

Disconnect the I/P harness electrical connector (1) from the battery current sensor (2).

Fig 3: Negative Battery Cable, Bolt, Retaining Clip & Stud

Courtesy of GENERAL MOTORS CORP.

Disconnect the cable retaining clip (4) from the stud (3) on the shock tower.
Remove the bolt (1) securing the negative battery cable (2) to the shock tower.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig 4: Negative Battery Cable Bolt To Engine Block

Courtesy of GENERAL MOTORS CORP.

Remove the bolt (2) securing the negative battery cable (1) to the engine block.
Remove the negative battery cable.

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.