GM Service Manual Online
For 1990-2009 cars only

Electronic Brake Control Module Replacement MK70

Removal Procedure


    Object Number: 1938566  Size: SH

    Important: It is essential to comply with the instruction for the hydraulic modulator and the electronic brake control module (EBCM). Refer to ABS Control Unit General Repair Specification.

  1. Remove the hydraulic modulator with the EBCM. Refer to Brake Pressure Modulator Valve Replacement.
  2. Remove the EBCM from the modulator.
  3. 2.1. Remove the 3 bolts (1).
    2.2. Remove the EBCM from the hydraulic modulator without tilting it.

    Object Number: 1938569  Size: SH
  4. Remove the 8 seal rings (1) carefully by hand.

Installation Procedure

  1. Push the 8 new seal rings (1, 2) carefully on the valves.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the new EBCM to hydraulic modulator.
  4. Tighten
    Tighten the hydraulic modulator bolts to 2 N·m (18 lb in).

    2.1. Push the EBCM onto the hydraulic modulator carefully without tilting it.
    2.2. Attach 3 new bolts.
  5. Install the hydraulic modulator with EBCM. Refer to Brake Pressure Modulator Valve Replacement.
  6. For programming procedures, refer to Control Module References.

Electronic Brake Control Module Replacement MK60

Removal Procedure


    Object Number: 1938573  Size: SH

    Important: It is essential to comply with the instructions for the hydraulic modulator and the electronic brake control module (EBCM). Refer to ABS Control Unit General Repair Specification.

  1. Remove the hydraulic modulator with the EBCM. Refer to Brake Pressure Modulator Valve Replacement.
  2. Install the mounting link to the hydraulic modulator.
  3. • Remove the 2 sealing plugs (1) from the hydraulic modulator.
    • Position the retaining link (2).
    • Install the 2 sealing plugs into the hydraulic modulator.

    Object Number: 1938575  Size: SH

    Important: Remove the EBCM from hydraulic modulator without tilting it.

  4. Remove the EBCM from the hydraulic modulator.
  5. • Remove the 2 bolts (1).
    • Remove the EBCM from the hydraulic modulator.

Installation Procedure


    Object Number: 1938577  Size: SH

    Important: The assembly force can be up to 130 N (29 lb) of force.

  1. Install the pump motor adapter to the EBCM.
  2. Press the adapter (1) into the guide (2).

    Notice: Refer to Fastener Notice in the Preface section.

  3. Install the new EBCM to the hydraulic modulator.
  4. Tighten
    Tighten the hydraulic modulator to 5.5 N·m (45 lb in).

    • Push the EBCM on to the hydraulic modulator carefully without tilting it.
    • Install the 2 new bolts.
  5. Remove the retaining link from the hydraulic modulator.
  6. • Remove the 2 sealing plugs from the hydraulic modulator.
    • Remove the retaining link.
    • Install the 2 sealing plugs into the hydraulic modulator.
  7. Install the hydraulic modulator with the EBCM. Refer to Brake Pressure Modulator Valve Replacement.
  8. For programming procedures, refer to Control Module References.