GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Sonoma Pickup - 4WD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Front Disc Brake Hardware Replacement

Front Disc Brake Hardware Replacement Dual Piston

Removal Procedure

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

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


    Object Number: 798971 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the front brake caliper. Refer to Front Brake Caliper Replacement .

    4. Object Number: 799895 Size: SH
  4. Remove the front brake pads. Refer to Front Disc Brake Pads Replacement .
  5. Remove the brake pad wear sensors.

    6. Object Number: 369671 Size: SH
  6. Remove the bushings from the mounting bracket.
  7. Lightly brush all brake pad contact areas.

Installation Procedure

    Object Number: 156329 Size: SH
  1. Clean area using denatured alcohol.
  2. Dry area using non-lubrcated, filtered air.
  3. Apply high temperature silicone brake lubricant to the brake caliper pin bolts. DO NOT apply lubricant to the brake pad hardware.

    4. Object Number: 369671 Size: SH
  4. Install the bushings to the mounting bracket.

    5. Object Number: 799895 Size: SH
  5. Install the brake pad wear sensors.
  6. Install the brake pads.

    7. Object Number: 798971 Size: SH
  7. Install the front brake caliper. Refer to Front Brake Caliper Replacement .
  8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  9. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General information.
  10. With the engine running, firmly pump the brake pedal three times.

Front Disc Brake Hardware Replacement Single Piston

Removal Procedure

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

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


    Object Number: 140 Size: SH

    2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General information.

  2. Remove the tire and wheel assembly. Tire and Wheel Removal and Installation in Tires and Wheels
  3. Remove the brake caliper. Refer to Front Brake Caliper Replacement .
  4. Remove the front brake pads.
  5. Remove the front disc brake inner pad retainer spring.

    6. Object Number: 131 Size: SH
  6. Remove the following parts from the brake caliper.
    7. • Front brake caliper bolt
    • Front brake caliper bolt sleeve
    • Front brake caliper bolt sleeve bushing
  7. Lightly brush all brake pad contact areas.

Installation Procedure

    Object Number: 156329 Size: SH
  1. Clean area using denatured alcohol.
  2. Dry area using non lubricated, filtered compressed air.
  3. Apply high temperature silicone brake lubricant to the brake caliper pin bolts and retainers. DO NOT apply lubricant to the brake pad hardware.

    4. Object Number: 131 Size: SH
  4. Install the following parts on the brake caliper.
    5. • Front brake caliper bolt
    • Front brake caliper bolt sleeve
    • Front brake caliper bolt sleeve bushing

    Object Number: 140 Size: SH
  5. Install the inner brake pad retainer spring.
  6. Install the brake pad to the brake caliper bracket. Refer to Front Disc Brake Pads Replacement .
  7. Install the tire and wheel assembly. Tire and Wheel Removal and Installation in Tires and Wheels
  8. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General information.
  9. With the engine running, firmly pump the brake pedal three times.