Chevrolet Sonic manuals
 

Chevrolet Sonic Repair Manual: Master Cylinder Replacement

Chevrolet Sonic Repair Manual / Chassis / Brakes / General / Master Cylinder Replacement

Removal Procedure

Warning:

Refer to Brake Fluid Irritant Warning.

Caution:

Refer to Brake Fluid Effects on Paint and Electrical Components Caution.

  1. Place the ignition switch in the OFF position.
  2. Remove the battery. Refer to Battery Replacement.
  3. Disconnect the brake fluid level indicator switch electrical connector.
  4. Using a suitable suction device, remove and properly discard the brake fluid from the brake master cylinder reservoir.
  5. On manual transmission equipped vehicles, disconnect the clutch master cylinder reservoir hose. Refer to Clutch Master Cylinder Reservoir Hose Replacement


  6. Disconnect the master cylinder secondary brake pipe fitting (1).
  7. Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.

  8. Disconnect the master cylinder primary brake pipe fitting (1).
  9. Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.

  10. Remove the master cylinder nuts (1).
  11. Remove the brake master cylinder.

  12. Remove the master cylinder seal (1).
  13. Inspect the master cylinder seal for damage or deterioration and replace, if necessary.
  14. Remove the brake fluid level indicator switch, if necessary. Refer to Brake Fluid Level Indicator Switch Replacement.
  15. Remove the master cylinder reservoir, if necessary. Refer to Master Cylinder Reservoir Replacement.
Installation Procedure
  1. Install the master cylinder reservoir, if removed. Refer to Master Cylinder Reservoir Replacement.
  2. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding.
  3. Install the brake fluid level indicator switch, if removed. Refer to Brake Fluid Level Indicator Switch Replacement.


  4. Install the master cylinder seal (1).
  5. Install the master cylinder to the power vacuum brake booster.

    6. Caution:

    Refer to Fastener Caution.

  6. Install the master cylinder nuts (1) and tighten to  50 Y (37 lb ft)

    .



  7. Connect the master cylinder primary brake pipe fitting (1) and tighten to  18 Y (13 lb ft)

    .



  8. Connect the master cylinder secondary brake pipe fitting (1) and tighten to  18 Y (13 lb ft)

    .

  9. On manual transmission equipped vehicles, connect the clutch master cylinder reservoir hose. Refer to Clutch Master Cylinder Reservoir Hose Replacement
  10. Connect the brake fluid level indicator switch electrical connector.
  11. Install the battery. Refer to Battery Replacement.
  12. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
Master Cylinder Bench Bleeding
Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Secure the mounting flange of the bra ...

Special Tools
Illustration Tool Number/ Description CH 28662 J 28662 Brake Pedal Effort Gauge ...

Other materials:

Infotainment
Determine which radio the vehicle has and read the following pages to become familiar with its features. Warning Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you or others. Do not give extended attention to infotainment tasks while dr ...

Speaker Replacement Reference
Speaker Replacement Reference Component Repair Instruction Front Door Speaker Radio Front Side Door Speaker Replacement Front Tweeter Speaker Radio Windshield Side Garnish Molding Speaker ...

Rear Wheel Speed Sensor Replacement
Removal Procedure Warning: Refer to Brake Dust Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. Remove the rear wheel speed sensor ...

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