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 261 (BATTERY)REPAIR INSTRUCTIONSBATTERY POSITIVE CABLE REPLACEMENT - AUXILIARYINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Install the battery positive cable to the vehicle.
CAUTION: Refer to FASTENER NOTICE .
Connect the battery positive cable to the auxiliary battery.
Tighten

Tighten the auxiliary battery positive cable to 15 N.m (11 lb ft).
Install the battery positive cable retainers to the frame.
Lower the vehicle.

Fig 1: Connecting Battery Positive Cable To Auxiliary Battery
Courtesy of GENERAL MOTORS CORP.
Connect the battery positive cable to the junction block.
Tighten

Tighten the nut to 10 N.m (89 lb in).
Connect the battery negative cable to the auxiliary battery.
Tighten

Tighten the bolt to 15 N.m (11 lb ft).
Connect the battery negative cable to the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure .
Tighten

Tighten the bolt to 17 N.m (13 lb ft).

Fig 2: Connecting Battery Negative Cable To Auxiliary Battery
Courtesy of GENERAL MOTORS CORP.

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.