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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1009 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (4.3L)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 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Harness Electrical Connector & Battery Current Sensor
    GM1702507Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (w/Single Battery)  or Battery Negative Cable Disconnection and Connection (w/Auxiliary Battery)  or Battery Negative Cable Disconnection and Connection (w/Dual Batteries) .
  2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  3. Disconnect the engine wiring harness electrical connector (1) from the battery current sensor.
    4. Fig 2: View Of Battery Cable Components
    GM1702504Courtesy of GENERAL MOTORS CORP.
  4. Remove the battery current sensor (3) clip from the battery tray.
    5. Fig 3: View Of Oil Pan Skid Plate & Bolts
    GM1698082Courtesy of GENERAL MOTORS CORP.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Remove the oil pan skid plate and bolts, if equipped.
    7. Fig 4: View Of Battery Cable Terminal, Battery Cable Bolt & Wiring Harness Terminal
    GM1877177Courtesy of GENERAL MOTORS CORP.
  7. Remove the negative battery cable bolt (2) from the front of the engine block.
  8. Reposition the negative battery cable terminal (1) and the engine wiring harness terminal (3) from the engine block.
    9. Fig 5: View Of Negative Battery Cable Terminal, Forward Lamp Wiring Harness Terminal & Ground Bolt
    GM1702546Courtesy of GENERAL MOTORS CORP.
  9. Remove the forward lamp wiring harness ground bolt (1).
  10. Remove the forward lamp wiring harness terminal (2) from the frame.
  11. Remove the negative battery cable terminal (3) out through the opening between the radiator support and frame.
    12. Fig 6: View Of Battery Cable Clips
    GM1877179Courtesy of GENERAL MOTORS CORP.
  12. Remove the negative battery cable clip (1) from the chassis harness.
  13. Lower the vehicle.
  14. Remove the negative battery cable clip (2) from the right wheelhouse liner.
    15. Fig 7: View Of Negative Battery Cable
    GM1877203Courtesy of GENERAL MOTORS CORP.
  15. Remove the negative battery cable from the vehicle.
  16. If replacing the negative battery cable, remove the battery current sensor. Refer to Battery Current Sensor Replacement (4.3L)  or Battery Current Sensor Replacement (4.8L, 5.3L, 6.0L, and 6.2L) .
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.