2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Remove the coolant recovery reservoir bolt and reposition the reservoir.
    2. Fig 1: 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 (4.3L)  or Battery Positive Cable Replacement (4.8L, 5.3L and 6.0L)  or Battery Positive Cable Replacement (6.6L - Primary)  or Battery Positive Cable Replacement (6.6L - Auxiliary) .
  4. Remove the battery limiter from the vehicle if equipped.
  5. Remove the fender brace.
    6. Fig 2: View Of Battery Hold-Down Retainer Bolt & Retainer
    GM1202786Courtesy of GENERAL MOTORS CORP.
  6. Remove the battery hold-down bolt and retainer.
  7. Remove the battery.
    8. Fig 3: View Of 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.
Factory Service Tools

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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.

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