GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 241394  Size: SH

    Important: Clean the dirt, the grease, and the foreign particles from the hose fitting at both ends before removing the master cylinder hose.

  1. Remove the brake lines from the master cylinder.

  2. Object Number: 258680  Size: SH
  3. Remove the brake lines from the holding clip on rear of the master cylinder assembly.
  4. Remove the brake lines on the front crossmember from the holding clip.

  5. Object Number: 241613  Size: SH
  6. Remove the brake line fittings from the Electronic Brake Control Module (EBCM).

Installation Procedure


    Object Number: 241613  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the brake lines to the EBCM.
  2. Tighten
    Tighten the brake line fittings to 24 N·m (18 ft).


    Object Number: 258680  Size: SH
  3. Install the brake lines to the front crossmember with the holding clip.
  4. Tighten
    Torque the holding clip screw to 11 N·m (97 lb in) and secure the nut to 24 N·m (18 lb ft).

  5. Install the brake lines to the holding clip on the rear of the master cylinder and secure the holding clip.
  6. Tighten
    Tighten the nut which secures the hydraulic lines clip to 24 N·m (18 lb ft).


    Object Number: 241394  Size: SH
  7. Install the brake lines to the master cylinder.
  8. Tighten
    Tighten the brake line fittings to 24 N·m (18 lb ft).

  9. Bleed the rear brakes. Refer to Hydraulic Brake System Bleeding .