GM Service Manual Online
For 1990-2009 cars only

Front Disc Brake Pads Replacement J62


Object Number: 2018574  Size: MF

Callout

Component Name

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

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

Caution: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

Preliminary Procedures

  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  5. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

1

Guide Pin Bolt

Caution: Refer to Fastener Caution in the Preface section.

Tighten
32 N·m (24 lb ft)

2

Front Disc Brake Pad (Qty: 2)

Procedure

  1. Without disconnecting the hydraulic brake flexible hose, pivot the caliper upward and secure the caliper with heavy mechanics wire, or equivalent.
  2. Remove the brake pads from the caliper mounting bracket.
  3. Remove the brake pad spring (Qty: 4)
  4. Clean the brake pad hardware mating surfaces of the caliper bracket, of any debris and corrosion.
  5. Inspect the brake caliper guide pins for freedom of movement, and inspect the condition of the guide pin boots. Move the guide pins inboard and outboard within the bracket bores, without disengaging the slides from the boots, and observe for the following:
  6. • Restricted caliper guide pin movement.
    • Looseness in the brake caliper mounting bracket.
    • Seized or binding caliper guide pins.
    • Split or torn boots If any of the conditions listed are found, the brake caliper guide pins and/or boots require replacement.
  7. Replace the brake caliper guide pins and/or boots if any of the conditions listed are found.
  8. If installing new brake pads, discard the spring clips. Install NEW spring clips.
  9. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance, then slowly release the brake pedal.
  10. Wait 15 seconds, then repeat steps 8-9 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  11. Fill the master cylinder reservoir to the proper level.

Front Disc Brake Pads Replacement J60, J61


Object Number: 2018581  Size: MF

Callout

Component Name

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

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

Preliminary Procedure

  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. • If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
    • If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  4. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

1

Guide Pin Bolt

Caution: Refer to Fastener Caution in the Preface section.

Tighten
28 N·m (21 lb ft)

2

Front Disk Brake Pad (Qty: 2)

Caution: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

Procedure

  1. Without disconnecting the hydraulic brake flexible hose, pivot the caliper upward and secure the caliper with heavy mechanics wire, or equivalent.
  2. Remove the brake pads from the caliper mounting bracket.
  3. Remove the brake pad spring (Qty: 2)
  4. Clean the brake pad hardware mating surfaces of the caliper bracket, of any debris and corrosion.
  5. Inspect the brake caliper guide pins for freedom of movement, and inspect the condition of the guide pin boots. Move the guide pins inboard and outboard within the bracket bores, without disengaging the slides from the boots, and observe for the following:
  6. • Restricted caliper guide pin movement.
    • Looseness in the brake caliper mounting bracket.
    • Seized or binding caliper guide pins.
    • Split or torn boots
  7. Replace the brake caliper guide pins and/or boots if any of the conditions listed are found.
  8. If installing new brake pads, discard the spring clips. Install NEW spring clips.
  9. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance and slowly release the brake pedal.
  10. Wait 15 seconds, then repeat steps 2-3 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  11. Fill the master cylinder reservoir to the proper level.