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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Master Cylinder Reservoir Replacement

Master Cylinder Reservoir Replacement LHD

Removal Procedure

Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

  1. Remove the brake fluid from the master cylinder reservoir.
  2. Disconnect the brake fluid level indicator switch electrical connector.

    3. Object Number: 2106611 Size: SH
  3. Remove the master cylinder reservoir bolts (1).

    4. Object Number: 2106616 Size: SH
  4. Remove the master cylinder reservoir (1).

    5. Carefully pull the reservoir straight upward.


    Object Number: 2106617 Size: SH
  5. Remove the master cylinder reservoir seals (1).
  6. If installing a new master cylinder reservoir, remove the brake fluid level indicator switch. Refer to Brake Fluid Level Indicator Switch Replacement.

Installation Procedure
  1. If installing a new master cylinder reservoir, install the brake fluid level indicator switch. Refer to Brake Fluid Level Indicator Switch Replacement.
  2. If installing the original master cylinder reservoir, clean the master cylinder reservoir with denatured alcohol and dry with filtered, non-lubricated compressed air.

    3. Object Number: 2106617 Size: SH
  3. Install the master cylinder reservoir seals (1).

    4. Lubricate the seals with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.


    Object Number: 2106616 Size: SH
  4. Install the master cylinder reservoir (1).

    5. Carefully press the reservoir straight downward.

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2106611 Size: SH
  5. Install the master cylinder reservoir bolts (1) and tighten to  8 N·m (71 lb in).
  6. Connect the brake fluid level indicator switch electrical connector.
  7. Fill the master cylinder reservoir. Refer to Master Cylinder Reservoir Filling.

Master Cylinder Reservoir Replacement RHD

Removal Procedure

Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

  1. Remove the brake fluid from the master cylinder reservoir.
  2. Disconnect the brake fluid level indicator switch electrical connector.

    3. Object Number: 2103751 Size: SH
  3. Remove the master cylinder reservoir bolts (1).

    4. Object Number: 2103755 Size: SH
  4. Remove the master cylinder reservoir (1).

    5. Carefully pull the reservoir straight upward.


    Object Number: 2103758 Size: SH
  5. Remove the master cylinder reservoir seals (1).
  6. If installing a new master cylinder reservoir, remove the brake fluid level indicator switch. Refer to Brake Fluid Level Indicator Switch Replacement.

Installation Procedure
  1. If installing a new master cylinder reservoir, install the brake fluid level indicator switch. Refer to Brake Fluid Level Indicator Switch Replacement.
  2. If installing the original master cylinder reservoir, clean the master cylinder reservoir with denatured alcohol and dry with filtered, non-lubricated compressed air.

    3. Object Number: 2103758 Size: SH
  3. Install the master cylinder reservoir seals (1).

    4. Lubricate the seals with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.


    Object Number: 2103755 Size: SH
  4. Install the master cylinder reservoir (1).

    5. Carefully press the reservoir straight downward.

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2103751 Size: SH
  5. Install the master cylinder reservoir bolts (1) and tighten to  8 N·m (71 lb in).
  6. Connect the brake fluid level indicator switch electrical connector.
  7. Fill the master cylinder reservoir. Refer to Master Cylinder Reservoir Filling.