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 1939 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY REPLACEMENTINSTALLATION 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 is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Battery Retaining Bolt And Retainer Block

Courtesy of GENERAL MOTORS CORP.

Position the battery (1) into the vehicle.

CAUTION: Refer to Fastener Caution .

Install the battery retaining bolt (2) and retainer block (3) and tighten to 10 N.m (89 lb in).

Fig 2: Positive Battery Cable Retaining Nut

Courtesy of GENERAL MOTORS CORP.

Install the positive battery cable to the battery (1).
Tighten the positive battery cable retaining nut (2) to 5 N.m (45 lb in)..

Fig 3: Battery Upper And Lower Cover

Courtesy of GENERAL MOTORS CORP.

Install the battery upper (1) cover to the battery lower cover (3).
Ensure that the two retaining tabs (2) are securely latched.

Fig 4: Engine Control Module

Courtesy of GENERAL MOTORS CORP.

Slide the engine control module assembly (2) onto the battery upper cover (3).
Ensure that the tab (1) retaining the engine control Module (2) is securely latched.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection

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.