GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Prizm 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Replacement

Removal Procedure

    Object Number: 327496 Size: SH
  1. Disconnect the electrical connector for the fluid level switch (4).
  2. Clean the cap for the reservoir.
  3. Remove the cap for the reservoir.
  4. Siphon fluid from the reservoir.
  5. Disconnect the brake lines from the master cylinder.
  6. Plug the open brake pipes in order to prevent the contamination and excessive loss of fluid.
  7. Remove the three nuts for mounting the master cylinder.
  8. Remove the master cylinder (5).
  9. If the vehicle is equipped with the Anti-lock Brake System (ABS), then remove the gasket (8).
  10. If the vehicle is equipped with ABS, then temporarily install, but do not tighten, the three nuts to secure the brake pressure modulator valve assembly bracket.

    11. Object Number: 327493 Size: SH
  11. If the vehicle is not equipped with ABS, then remove the gasket (8) from the vacuum booster (1).

Installation Procedure

    Object Number: 327493 Size: SH
  1. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding .

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. If the vehicle is not equipped with ABS, install the master cylinder (3) and a new gasket (8) to the vacuum booster (1).

    3. Secure the master cylinder (3) using the three nuts for mounting the master cylinder.

    Tighten
    Tighten the nuts to 13 N·m (108 lb in).


    Object Number: 327496 Size: SH
  3. If the vehicle is equipped with ABS, then remove the three nuts for mounting the master cylinder (5) to the brake pressure modulator valve assembly bracket and the vacuum booster (1).

    4. Secure the master cylinder (5) using the three nuts for mounting the master cylinder.

    Tighten
    Tighten the nuts to 13 N·m (108 lb in).

  4. Install the brake pipes to the master cylinder.

    5. Secure the brake pipes using the master cylinder brake pipe flare nuts.

    Tighten
    Tighten the master cylinder brake pipe flare nuts to 15 N·m (11 lb ft).

  5. Connect the electrical connector for the fluid level switch.
  6. Bleed the brake system. Refer to Hydraulic Brake System Bleeding .