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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1079 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (LA1)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION 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.
IMPORTANT: When replacing battery cables, be sure to use battery cables that are the same type, gauge and length.
  1. Remove 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. Fig 1: Locating Battery Ground (Negative) Cable Bolt
    GM1236358Courtesy of GENERAL MOTORS CORP.
  2. Remove the battery ground (negative) cable bolt from the core support.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the lower radiator baffle. Refer to Radiator Air Baffle Assemblies and Deflectors in Engine Cooling.
  5. Remove the battery cable conduit from the conduit retainers.
  6. Remove the battery cable from the conduit.
    7. Fig 2: View Of Battery Ground (Negative) Cable Nut & Cable From Transaxle Stud
    GM368798Courtesy of GENERAL MOTORS CORP.
  7. Remove the battery ground (negative) cable nut and cable from the transaxle stud.
  8. Lower the vehicle.
  9. Remove the battery ground (negative) cable from the vehicle.
RENDER: 1.0x

NO RELATED

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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.