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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1840 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONS (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)BATTERY NEGATIVE CABLE REPLACEMENT (WITH LU3 AND RVS)INSTALLATION PROCEDURE (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure (Battery, Charging System And Starting System)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure (Battery, Charging System And Starting System)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Engine Block Negative Battery Cable Ground Lead Bolt
    GM1951143Courtesy of GENERAL MOTORS CORP.
  1. Install the negative battery cable to the vehicle.
  2. Raise the vehicle.
  3. Position the negative cable ground lead (1) to the engine block.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the negative cable ground bolt (2) to the engine block and tighten the bolt to 25 N.m (18 lb ft).
    5. Fig 2: Identifying Negative Battery Cable Ground Lead Bolt
    GM1951145Courtesy of GENERAL MOTORS CORP.
  5. Install the negative cable ground lead (1) to the crossmember.
  6. Install the negative cable ground bolt (2) at the crossmember and tighten to 10 N.m (89 lb in).
    7. Fig 3: Identifying Current Sensor Harness Connector, Battery Cable Ground Bolt, And Negative Battery Cable Ground Lead
    GM1937169Courtesy of GENERAL MOTORS CORP.
  7. Lower the vehicle.
  8. Position the negative cable ground (3) to the inner fender panel.
  9. Install the negative cable ground bolt (2) to the inner fender panel and tighten to 14 N.m (123 lb in).
  10. Connect the battery current sensor (1) harness connector.
  11. Connect the negative cable to the battery. Refer to Battery Negative Cable Disconnection and Connection .
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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.