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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 503 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSGENERATOR REPLACEMENT (LY7)REMOVAL PROCEDURE
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F

Removal Procedure

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery ground (negative) cable from the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure (LA1)  or Battery Negative Cable Disconnect/Connect Procedure (LY7) .
  2. Remove the torque struts and rotate the engine in order to provide access to remove the generator. Refer to and in Engine Mechanical - 3.6L (LY7).
    3. Fig 1: Identifying Battery Positive Cable Nut And Cable At The Generator
    GM1394044Courtesy of GENERAL MOTORS CORP.
  3. Remove the generator B+ terminal nut and the battery cable from the generator.
    4. Fig 2: Locating Generator Electrical Connector
    GM1394065Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the generator electrical connector.
  5. Remove the drive belt from the generator. Refer to Drive Belt Replacement in Engine Mechanical - 3.6L (LY7).
  6. Remove the idler pulley. Refer to Drive Belt Idler Pulley Replacement in Engine Mechanical - 3.6L (LY7).
    7. Fig 3: View Of Generator Bolts
    GM1394079Courtesy of GENERAL MOTORS CORP.
  7. Remove the generator bolts.
  8. Remove the generator 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.