2004 Chevrolet Tracker 4WDFACTORY OEM SERVICE PROCEDURE

Removal Procedure

IMPORTANT: The replacement PCM must be programmed.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable.
  2. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 5 in SIR.
  3. Release the two plastic retainers (2) with the blade of a screwdriver and remove the PCM cover (1).
    4. Fig 1: View Of PCM Cover & Plastic Retainers
    GM674015Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the four PCM electrical connectors.
  5. Remove the two PCM retaining bolts (3).
  6. Slide the PCM (4) forward and out from the PCM bracket.
  7. Remove the four PCM bracket bolts (1).
  8. Remove the PCM bracket (2) from underneath the instrument panel.
    9. Fig 2: View Of PCM, Bracket & Bolts
    GM466479Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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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.

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