GM Service Manual Online
For 1990-2009 cars only

Brake Pads Replacement Delco 3400

Removal Procedure

The use of GM brake pad material will help to maintain a balance between the front and the rear brake performance. In addition, the use of GM brake pad material will provide the proper brake balance for the purposes of stopping distance and control over the full range of operating conditions. The installation of any front brake pads or rear brake shoe material with a performance different from that of the suggested GM replacement parts for this vehicle may change the intended brake balance of this vehicle.

  1. Raise the vehicle. Support the vehicle with suitable safety stands.
  2. Remove the front brake caliper from the front brake rotor. Do not disconnect the brake hose from the caliper. Refer to Brake Caliper Replacement in Disc Brakes.

  3. Object Number: 142248  Size: SH
  4. Remove the front outboard brake pad. Use a screwdriver to disengage the bottoms on the front brake pad from the holes in the front brake caliper housing.

  5. Object Number: 142254  Size: SH
  6. Remove the front inboard brake pad.

  7. Object Number: 167403  Size: SH
  8. Replace any corroded caliper bolts, bushings, or sleeves. Do not attempt to polish away any corrosion.
  9. Replace any nicked or cut caliper bolt bushings or seals.

Installation Procedure


    Object Number: 156329  Size: SH
  1. Lubricate the front brake caliper, bushings, bolts and seals with Delco Silicone Lube GM P/N 18010909 or the equivalent.

  2. Object Number: 142254  Size: SH
  3. Install the front inboard brake pad.
  4. • Snap the retainer ring into the front rake caliper piston.
    • The front brake pad retainer spring is already staked to the brake pad.
    • The front brake pad must lay flat against the front brake caliper piston.

    Object Number: 142256  Size: SH
  5. Install the front outboard brake pad with the wear indicator at the leading edge of the front brake pad during forward wheel rotation. The back of the front brake pad must lay flat against the front brake caliper.
  6. Important: Before moving the vehicle, pump the brake pedal until it is firm. Check the fluid level in the brake master cylinder after pumping the brakes.

  7. Install the front brake caliper onto the front brake rotor and check for firm pedal. Refer to Brake Caliper Replacement in Disc Brakes.

Brake Pads Replacement Delco 3486

Removal Procedure

The use of GM brake pad material will help to maintain a balance between the front and the rear brake performance. In addition, the use of GM brake pad material will provide the proper brake balance for the purposes of stopping distance and control over the full range of operating conditions. The installation of any front brake pads or rear brake shoe material with a performance different from that of the suggested GM replacement parts for this vehicle may change the intended brake balance of this vehicle.

  1. Remove the front brake caliper from the front brake rotor. Do not disconnect the brake hose from the caliper. Refer to Brake Caliper Replacement in Disc Brakes.

  2. Object Number: 142248  Size: SH
  3. Remove the front outboard brake pad. Use a screwdriver to disengage the bottoms on the front brake pad from the holes in the front brake caliper housing.

  4. Object Number: 142254  Size: SH
  5. Remove the front inboard brake pad.

  6. Object Number: 167405  Size: SH
  7. Replace any corroded caliper bolts, bushings, or sleeves. Do not attempt to polish away any corrosion.
  8. Replace any nicked or cut caliper bolt bushings or seals.

Installation Procedure


    Object Number: 156329  Size: SH
  1. Lubricate the front brake caliper, bushings, bolts and seals with Delco Silicone Lube GM P/N 18010909 or the equivalent.

  2. Object Number: 142254  Size: SH
  3. Install the front inboard brake pad.
  4. • Snap the retainer ring into the front brake caliper piston.
    • The front brake pad retainer spring is already staked to the brake pad.
    • The front brake pad must lay flat against the front brake caliper piston.

    Object Number: 142256  Size: SH
  5. Install the front outboard brake pad with the wear indicator at the leading edge of the front brake pad during forward wheel rotation. The back of the front brake pad must lay flat against the front brake caliper.
  6. Important: Before moving the vehicle, pump the brake pedal until it is firm. Check the fluid level in the brake master cylinder after pumping the brakes.

  7. Install the front brake caliper onto the front brake rotor and check for firm pedal. Refer to Brake Caliper Replacement in Disc Brakes.