GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Corvette 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Reservoir Replacement

Removal Procedure

    Object Number: 176838 Size: SH
  1. Remove the electrical connector from the fluid level sensor.
  2. Drain the brake fluid from the master cylinder reservoir.
  3. Be careful not to damage the reservoir or master cylinder.

    4. Tap back the retaining pins until they clear the reservoir.

  4. Remove the reservoir.
  5. Remove the seals.
  6. Inspect the reservoir for cracks or deformities. If found, replace the reservoir.
  7. Clean the reservoir with denatured alcohol and dry the reservoir with unlubricated compressed air.

Installation Procedure
  1. Lubricate the new seals and the with clean brake fluid.
  2. Install the seals, making sure they are fully seated.
  3. Install the reservoir onto the master cylinder by pressing straight down by hand until pin holes are aligned.

    4. Object Number: 176838 Size: SH
  4. Tap the retaining pins back into the reservoir. Be careful not to damage the reservoir or master cylinder.
  5. Fill the master cylinder reservoir to the full level mark using only Delco® Supreme II Brake fluid (GM P/N 12377967) , or equivalent DOT 3 brake fluid.
  6. Install the electrical connector to fluid sensor, and secure with the retainer.
  7. Bleed the hydraulic system. Refer to Hydraulic Brake System Bleeding .