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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)GENERATOR REPLACEMENT (WITH LY2, LMF AND LY6)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.
    Fig 1: Identifying Purge Solenoid Electrical Connector, Wiring Harness Nut & Generator Electrical Connector
    GM663672Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
  3. Disconnect the generator electrical connector (3).
    4. Fig 2: View Of Generator Cable & Nut
    GM395686Courtesy of GENERAL MOTORS CORP.
  4. Remove the generator cable from the generator, perform the following:
    1. Slide the boot down revealing the terminal stud.
    2. Remove the generator cable nut from the terminal stud.
    3. Remove the generator cable.
    5. Fig 3: View Of Generator & Bolts (4.8L, 5.3L & 6.0L)
    GM385810Courtesy of GENERAL MOTORS CORP.
  5. Remove the generator bolts.
  6. Remove the generator from the bracket.
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.