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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1659 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSGENERATOR REPLACEMENT (LY7)REMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Generator Terminal Nut
    GM1888716Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the drive belt. Refer to Drive Belt Replacement (LY7) .
  3. Disconnect the engine wiring harness electrical connector (5) from the generator.
  4. Reposition the engine wiring harness boot (6).
  5. Remove the generator terminal nut (4).
  6. Remove the engine harness terminal from the generator.
    7. Fig 2: Idler Pulley Bolt
    GM1889301Courtesy of GENERAL MOTORS CORP.
  7. Loosen the idler pulley bolt (4).
  8. Remove the generator bolts (1).
  9. Separate the generator from the engine block.
  10. Remove the idler pulley (3) from the vehicle.
    11. NOTE: It may be necessary to maneuver the generator around in the engine compartment to in order to remove it from the vehicle.
  11. Remove the generator (2) 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.