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Home › Chevrolet › 2006 › Epica LTZ › Repair and Diagnosis › Brakes › Traction Control › Antilock Brake System › Repair Instructions › Brake Modulator Assembly Replacement › Removal Procedure

Removal Procedure

    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Remove the cooling surge tank. Refer to Surge Tank Replacement (2.0L) or Surge Tank Replacement (2.5L) .
    3. Fig 1: Identifying ABS Wiring Harness Connector And ECBM
    GM1677244Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the ABS wiring harness connector (2) from the socket on the electronic brake control module (EBCM).
  4. Cover the connector and the socket with shop cloths to protect it from the brake fluid.
    5. IMPORTANT: Do not allow air from the master cylinder into the hydraulic unit or the brake pipes. If air gets into the hydraulic unit, perform a bleeding procedure using a scan tool programmed for the ABS system. As long as no air enters the hydraulic unit, a simple bleeding procedure is all the system will require.
  5. Remove the 6 brake pipe fitting nuts from the hydraulic unit.
  6. Remove the mounting bracket bolts from the brake modulator assembly.
  7. Remove the brake modulator assembly.
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