GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Cobalt 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Replacement

Master Cylinder Replacement Auto Transmission


Object Number: 1539252 Size: LF

Callout

Component Name

Caution: Remove all the air from the hydraulic brake system anytime the hydraulic brake system is opened for repair. The entire bleeding procedure must be followed. Failure to remove all the air in the hydraulic brake system will result in reduced braking performance and possible personal injury.

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

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

Notice: Refer to Fastener Notice in the Preface section.

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

1

Connector, Brake Switch

2

Nut, Brake Pipe (Qty: 2)

Tip

    • Cap or plug the brake pipes to prevent fluid loss and contamination.
    • Bleed the brake system anytime the system is opened for repairs. Refer to Hydraulic Brake System Bleeding .

Tighten
19 N·m (14 lb ft)

3

Nut, Master Cylinder (Qty: 2)

Tighten
25 N·m (18 lb ft)

4

Cylinder, Brake Master

Master Cylinder Replacement Manual Transmission


Object Number: 1539253 Size: LF

Callout

Component Name

Caution: Remove all the air from the hydraulic brake system anytime the hydraulic brake system is opened for repair. The entire bleeding procedure must be followed. Failure to remove all the air in the hydraulic brake system will result in reduced braking performance and possible personal injury.

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

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

Notice: Refer to Fastener Notice in the Preface section.

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

1

Hose, Clutch Cylinder

Tip

    • Release the tension on the clutch cylinder hose clamp and position the clamp away from the master cylinder connection.
    • Bleed the clutch anytime the system is opened for repairs. Refer to Hydraulic Clutch Bleeding in Clutch.

2

Connector, Brake Switch

3

Nut, Brake Pipe (Qty: 2)

Tip

    • Cap or plug the brake pipes to prevent fluid loss and contamination.
    • Bleed the brake system anytime the system is opened for repairs. Refer to Hydraulic Brake System Bleeding .

Tighten
19 N·m (14 lb ft)

4

Nut, Master Cylinder (Qty: 2)

Tighten
25 N·m (18 lb ft)

5

Cylinder, Brake Master