GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Vivant 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Replacement

Removal Procedure

    Object Number: 1265677 Size: SH
  1. For right-hand drive only, remove the air intake tube from the air filter housing.

    2. Object Number: 1265678 Size: SH
  2. Remove the brake line fitting nuts from the master cylinder body.
  3. Disconnect the brake hoses from the master cylinder body. It is not necessary to drain the reservoir. Plug the opening to the brake lines to prevent the loss or contamination of the fluid.

    4. Object Number: 1265681 Size: SH
  4. Remove the master cylinder mounting nuts.
  5. Remove the master cylinder assembly.
  6. Drain the brake fluid.

Installation Procedure

    Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.


    Object Number: 1265681 Size: SH
  1. Add brake fluid.
  2. Install the master cylinder assembly.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the master cylinder mounting nuts.

    4. Tighten
    Tighten the mounting nuts to 13 N·m (10 lb ft).

  4. Connect the brake hoses to the master cylinder body.

    5. Object Number: 1265678 Size: SH
  5. Connect the brake line fitting nuts from the master cylinder body.

    6. Tighten
    Tighten to 16 N·m (12 lb ft).


    Object Number: 1265678 Size: SH
  6. On RHD only, install the air intake tube to the air filter housing.
  7. Bleed the brake system. Refer to the Hydraulic Brake System Bleeding .
  8. Inspect the brake system for leaks.