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.
    Fig 1: Identifying EBCM Harness Connector
    GM230405Courtesy of GENERAL MOTORS CORP.
  1. Turn the ignition switch to the OFF position.
  2. Remove the attaching bolts for the cruise control module, if equipped.
  3. Swing the cruise control module off to the side, if equipped.
  4. Remove the air cleaner housing from the engine compartment. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  5. Disconnect the electronic brake control module (EBCM) harness connector (1).
  6. Disconnect the EBCM to brake pressure modulator valve (BPMV) connector.
  7. Fig 2: Identifying Wheel Brake Pipes To BPMV
    GM777629Courtesy 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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.