GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Replacement

Removal Procedure

    Object Number: 219488 Size: SH
  1. Remove the brake master cylinder reservoir cover (1).

    2. Object Number: 219492 Size: SH
  2. Remove the brake fluid from the brake master cylinder reservoir.

    3. Discard the brake fluid in accordance with local regulations.


    Object Number: 219497 Size: SH
  3. Remove the reservoir from the master cylinder body.

    4. Use a light upward rocking motion.

  4. Remove power steering reservoir bracket bolt.
  5. Remove the power steering reservoir bracket.

    6. Move power steering reservoir towards engine slightly.


    Object Number: 219500 Size: SH
  6. Remove the brake pipes (1) from the master cylinder.

    7. Plug open pipes to prevent brake fluid from contacting the painted surfaces and/or becoming contaminated.

  7. Remove the master cylinder attaching nuts (2).
  8. Remove the brake master cylinder from the vehicle.

    9. Object Number: 219553 Size: SH

    Important: The seal should be replaced.

  9. Remove the brake master cylinder seal (1) from the brake master cylinder.

Installation Procedure

    Object Number: 219553 Size: SH

    Notice: When filling the master cylinder, use only Delco Supreme 11, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT 3 brake fluid. Do not use a container which has been used for petroleum based fluids, or a container which is wet with water. Petroleum based fluids will cause swelling and distortion of rubber parts in the hydraulic brake system, and water will mix with brake fluid, lowering the boiling point. Keep all fluid containers capped to prevent contamination.

  1. Install the brake master cylinder seal (1) to the brake master cylinder.
  2. Install the brake master cylinder into the mounting position.

    3. Object Number: 219500 Size: SH
  3. Install the brake master cylinder attaching nuts (2).

    4. Tighten
    Tighten the nut to 22 N·m (16 lb ft).

  4. Install the brake pipes (1) to the brake master cylinder.

    5. Tighten
    Tighten the brake pipes to 16 N·m (12 lb ft).

  5. Install the power steering reservoir bracket.
  6. Install the power steering reservoir bracket bolt.

    7. Tighten
    Tighten the bolt to 7 N·m (62 lb in).


    Object Number: 219554 Size: SH
  7. Lubricate the reservoir grommets (1) and the reservoir flanges with brake fluid.
  8. Install the reservoir to the master cylinder body.

    9. Use a light downward rocking motion.

  9. Fill the brake fluid reservoir with brake (glycol) fluid, GM P/N 12377967 (DOT 3), or equivalent.

    10. Object Number: 219488 Size: SH
  10. Install the brake master cylinder reservoir cover (1).
  11. Bleed brake hydraulic system. Refer to Hydraulic Brake System Bleeding .