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 DIAGNOSISENGINE MECHANICALSTARTERBATTERY, CHARGING SYSTEM AND STARTING SYSTEMREPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (4.3L)INSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

Fig 1: Identifying Engine Block Negative Battery Cable Ground Lead Bolt

Courtesy of GENERAL MOTORS CORP.

Install the negative battery cable to the vehicle.
Raise the vehicle.
Position the negative battery cable ground lead (1) to the engine block.

NOTE: Refer to Fastener Notice .

Install the negative battery cable ground lead bolt (2) to the engine block.
Tighten: Tighten the bolt to 25 N.m (18 lb ft).

Fig 2: Identifying Negative Battery Cable Ground Lead Bolt

Courtesy of GENERAL MOTORS CORP.

Install the negative battery cable ground lead (1) to the crossmember.
Install the negative battery cable ground lead bolt (2) at the crossmember.
Tighten: Tighten the bolt to 10 N.m (89 lb in).

Fig 3: Identifying Battery Negative Cable

Courtesy of GENERAL MOTORS CORP.

Lower the vehicle.
Position the negative battery cable ground lead (3) to the inner fender panel.
Install the negative battery cable ground lead bolt (2) to the inner fender panel.
Tighten: Tighten the bolt to 10 N.m (89 lb in).
Connect the negative battery cable (4). Refer to Battery Negative Cable Disconnection and Connection .

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:

• 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.