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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1398 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Battery Cable Components
    GM899613Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable (5). Refer to Battery Negative Cable Disconnect/Connect Procedure .
  2. Loosen the positive battery cable bolt.
  3. Remove the positive battery cable (4) from the battery.
    4. Fig 2: View Of Coolant Heater Cord Retainers
    GM898846Courtesy of GENERAL MOTORS CORP.
  4. Remove the coolant heater cord retainers (1) from the battery cover, if equipped.
    5. Fig 3: View Of Battery Air Duct
    GM899620Courtesy of GENERAL MOTORS CORP.
  5. Remove the battery air duct from the battery cover.
    6. Fig 4: Radiator Support Diagonal Brace
    GM750114Courtesy of GENERAL MOTORS CORP.
  6. Remove the battery tray brace bolts/nut.
    7. Fig 5: View Of Battery Cover
    GM755437Courtesy of GENERAL MOTORS CORP.
  7. Remove the battery cover.
    8. Fig 6: View Of Battery Hold Down Nut, Washer & Retainer
    GM755443Courtesy of GENERAL MOTORS CORP.
  8. Remove the battery hold down nut (3), retainer (1), and washer.
  9. Remove the battery.
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.