GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Spark 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Replacement

Removal Procedure

    Object Number: 1282339 Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

    2. Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

  2. For vehicles with the non-ABS braking system, remove the proportioning valve. Refer to Brake Proportion Valve Replacement .
  3. Disconnect the electrical connector.
  4. Loosen the brake pipe fittings.
  5. Plug the opening in the master cylinder to prevent fluid loss or contamination.

    6. Object Number: 1282340 Size: SH

    Notice: Avoid spilling brake fluid onto painted surfaces, electrical connections, wiring, or cables. Brake fluid will damage painted surfaces and cause corrosion to electrical components. If any brake fluid comes in contact with painted surfaces, immediately flush the area with water. If any brake fluid comes in contact with electrical connections, wiring, or cables, use a clean shop cloth to wipe away the fluid.

  6. Remove the nuts mounting the master cylinder (1).
  7. Remove the master cylinder.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1282341 Size: SH

    Important: Use only General Motors recommended brake fluid.

  1. Install the master cylinder assembly with the nuts (1).

    2. Tighten
    Tighten the attaching nuts to 16 N·m (12 lb ft).


    Object Number: 1282342 Size: SH
  2. Install the brake pipe fittings (1) to the master cylinder.

    3. Tighten
    Tighten the fittings to 16 N·m (12 lb ft).

  3. Connect the electrical connector.
  4. For vehicles with the non-ABS braking system, install the proportioning valve. Refer to Brake Proportion Valve Replacement .
  5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  6. Bleed the brake system. Refer to Hydraulic Brake System Bleeding .