GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1256216  Size: SH

    Important: Remove the brake fluid reservoir only when it must be replaced because of damage or leaks.

  1. Disconnect the harness connector that is mounted to the top of the brake fluid reservoir.

  2. Object Number: 1256217  Size: SH
  3. Remove the brake fluid level switch and wire harness. Slide the switch out of the reservoir. It is not necessary to drain the fluid.

  4. Object Number: 1256219  Size: SH
  5. For vehicles with the manual transaxle, disconnect the clip that secures the clutch hose connection to the master cylinder and move the clip out of the way.
  6. Remove the clutch hose from the master cylinder.

  7. Object Number: 1256220  Size: SH
  8. Remove the screw that holds the brake fluid reservoir to the master cylinder body.
  9. Remove the reservoir from the retaining clamps by gently prying the reservoir upward with a screwdriver.
  10. Remove the brake fluid reservoir from the master cylinder body by tilting the reservoir and pulling it upward.

  11. Object Number: 1256221  Size: SH
  12. Remove and discard the brake fluid reservoir seals from the master cylinder body.

Installation Procedure


    Object Number: 1256221  Size: SH
  1. Lubricate the new brake fluid reservoir seals with clean brake fluid.
  2. Install the brake fluid reservoir seals into the master cylinder body.
  3. Install the brake fluid reservoir onto the master cylinder body.

  4. Object Number: 1256219  Size: SH
  5. For vehicles with the manual transaxle, install the clutch hose connection to the master cylinder with the clip.

  6. Object Number: 1256217  Size: SH
  7. Add the brake fluid.
  8. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  9. Bleed the brake system. Refer to Hydraulic Brake System Bleeding .
  10. Bleed the clutch master cylinder (if equipped). Refer to Hydraulic Clutch Bleeding .
  11. Lower the vehicle.
  12. Install the low brake fluid level switch by pushing it into the side of the brake fluid reservoir opposite the engine.

  13. Object Number: 1256216  Size: SH
  14. Install the connector for the low brake fluid level switch assembly by sliding it into its mount on the top of the brake fluid reservoir.
  15. Connect the brake fluid level switch to the wiring harness.