GM Service Manual Online
For 1990-2009 cars only

Front Brake Caliper Replacement JD9, JF3, JF7


Object Number: 1828779  Size: MF

Callout

Component Name

Caution: Refer to Brake Dust Caution in the Preface section.

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

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

1

Brake Hose Fitting Bolt

Notice: Refer to Fastener Notice in the Preface section.

Tighten
40 N·m (30 lb ft)

2

Brake Hose Fitting Gasket (Qty: 2)

Procedure

Discard the brake hose fitting gaskets and install new gaskets.

3

Brake Hose Fitting

Tip
Plug the brake hose fitting to prevent brake fluid loss and contamination.

4

Brake Caliper Guide Pin Bolt (Qty: 2)

Procedure

  1. DO NOT use any air tools to remove or install the brake caliper guide pin bolts. Use hand tools ONLY.
  2. Install an open end wrench to hold the caliper guide pin in line with the brake caliper while removing or installing the caliper guide pin bolts. DO NOT allow the open end wrench to contact the brake caliper. Allowing the open end wrench to contact the brake caliper will cause a pulsation when the brakes are applied.
  3. Ensure the brake caliper guide pin seal is fully seated in the groove of the brake caliper guide pin and the guide pin slides freely in caliper bracket bore.

Tighten
100 N·m (74 lb ft)

5

Brake Caliper

Procedure

  1. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .
  2. After the installation is complete and with the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  3. Slowly release the brake pedal.
  4. Wait 15 seconds, then repeat steps 2-3 until a firm brake pedal is obtained. This will properly seat the brake caliper piston and the brake pads.
  5. Fill the master cylinder to the proper level. Refer to Master Cylinder Reservoir Filling .

Front Brake Caliper Replacement JH6, JH7


Object Number: 1838049  Size: MF

Callout

Component Name

Caution: Refer to Brake Dust Caution in the Preface section.

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

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

1

Brake Hose Fitting Bolt

Notice: Refer to Fastener Notice in the Preface section.

Tighten
40 N·m (30 lb ft)

2

Brake Hose Fitting Gasket (Qty: 2)

Procedure

Discard the brake hose fitting gaskets and install new gaskets.

3

Front Brake Hose Fitting

Tip
Plug the brake hose fitting to prevent brake fluid loss and contamination.

4

Brake Caliper Guide Pin Bolt (Qty: 2)

Tighten
108 N·m (80 lb ft)

5

Brake Caliper

Procedure

  1. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .
  2. After the installation is complete and with the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  3. Slowly release the brake pedal.
  4. Wait 15 seconds, then repeat steps 2-3 until a firm brake pedal is obtained. This will properly seat the brake caliper piston and the brake pads.
  5. Fill the master cylinder to the proper level. Refer to Master Cylinder Reservoir Filling .