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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 500 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONS (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)BATTERY TRAY REPLACEMENT (PRIMARY)REMOVAL PROCEDURE (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure (Battery, Charging System And Starting System)

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal 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.
  1. Remove the coolant recovery reservoir bolt and reposition the reservoir.
    2. Fig 1: Identifying Battery & Cables
    GM1202776Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the battery negative cable from the battery negative terminal. Refer to Battery Negative Cable Disconnection and Connection .
  3. Disconnect the battery positive cable from the battery positive terminal. Refer to Battery Positive Cable Replacement (With LMM Primary)  or Battery Positive Cable Replacement (With LMM Auxiliary)  or Battery Positive Cable Replacement (With LY2, LME or LY6)  or Battery Positive Cable Replacement (With LU3) .
  4. Remove the battery limiter from the vehicle if equipped.
  5. Remove the fender brace.
    6. Fig 2: Identifying Battery, Battery Hold-Down Retainer Bolt And Retainer
    GM1202786Courtesy of GENERAL MOTORS CORP.
  6. Remove the battery hold-down bolt and retainer.
  7. Remove the battery.
    8. Fig 3: Identifying Battery Tray And Bolts
    GM1202817Courtesy of GENERAL MOTORS CORP.
  8. Remove the battery tray bolts.
  9. Disconnect the vacuum hoses.
  10. Disconnect the vacuum pump electrical connector.
  11. Remove the battery tray 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.