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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 POSITIVE CABLE REPLACEMENT (6.6L)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.
CAUTION: Refer to Battery Disconnect Caution .
    Fig 1: View Of Under Hood Junction Block Cover
    GM1702793Courtesy 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 intake manifold cover. Refer to Intake Manifold Cover Replacement .
  3. Remove the underhood junction block cover.
    4. Fig 2: View Of Junction Block & Retainers
    GM1702795Courtesy of GENERAL MOTORS CORP.
  4. Lift the junction block retainers from the locked position (3) and rotate the retainers to the open position (1).
  5. Remove the junction block.
    6. Fig 3: View Of Positive Battery Cable Connector & (UBEC)
    GM1702797Courtesy of GENERAL MOTORS CORP.
  6. Remove the positive battery cable connector (1) from the underhood bussed electrical center (UBEC).
    7. Fig 4: View Of Positive Battery Cable
    GM1873915Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the positive battery cable (1) from the glow plug control module.
    8. Fig 5: View Of Mega Fuse Cover
    GM1873916Courtesy of GENERAL MOTORS CORP.
  8. Remove the mega fuse cover.
    9. Fig 6: View Of Mega Fuse Nuts
    GM1873917Courtesy of GENERAL MOTORS CORP.
  9. Remove the positive battery cable to mega fuse nuts (1).
  10. Remove the positive battery cable terminals from the mega fuse studs.
    11. Fig 7: View Of Positive Battery Cable Clip & Nuts
    GM1873918Courtesy of GENERAL MOTORS CORP.
  11. Remove the positive battery cable clip nuts (2) from the studs on the plenum front panel.
  12. Remove the positive battery cable clip (1) from the stud on the plenum front panel.
    13. Fig 8: View Of Positive Battery Cable Clips
    GM1873919Courtesy of GENERAL MOTORS CORP.
  13. Remove the positive battery cable clips (1) from the studs on the plenum front panel.
  14. Remove the positive battery cable from the vehicle.
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.