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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 875 (BATTERY, CHARGING SYSTEM & 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 is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Batteries generate hydrogen gas, which is extremely flammable and may explode violently if ignited by a spark or a flame. Battery acid is extremely corrosive and causes severe personal injury if the acid comes into contact with the skin, and blindness if the acid comes into contact with the eyes. In order to avoid severe personal injury, use extreme caution when servicing the battery or battery-related components.
  1. Remove and reposition the underhood electrical center. Refer to UNDERHOOD ELECTRICAL CENTER OR JUNCTION BLOCK REPLACEMENT .
  2. Remove the front end sheet metal diagonal brace. Refer to BRACE REPLACEMENT -- FRONT FENDER UPPER DIAGONAL - RIGHT .
    Fig 1: Removing Battery Hold Down Retainer
    G01501065Courtesy of GENERAL MOTORS CORP.
  3. Remove the battery ground (negative) cable from the battery. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE  .
  4. Remove the battery positive cable from the battery.
  5. Remove the battery hold down retainer.

    Important:  Do not tip the battery more than 40 degrees.

  6. Remove the battery.
  7. Remove the battery insulator from the battery.
    Fig 2: Removing Battery Insulator From Battery
    G01501066Courtesy of GENERAL MOTORS CORP.
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.