GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2008 🢒 Astra 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Front Disc Brake Pads Replacement

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: 1937913 Size: LH

    Important: Brake pads on an axle must be replaced as a set.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the 2 front wheels. Refer to Tire and Wheel Removal and Installation .
  3. Remove the brake lining sensor (1) from the inner brake lining if equipped.
  4. Remove the retaining spring (2) out of the brake caliper with a screwdriver and remove.
  5. Remove the dust caps (3) from the protective sleeves for the caliber guide bolts (4).

    6. Object Number: 1937918 Size: SH
  6. Remove the guide bolts for the brake caliper.

    7. Notice: 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.

  7. Remove the brake caliper from the brake carrier.
  8. Remove the outer brake pad (2) from the brake caliper.
  9. Remove the inner brake pad (1) with the retaining clamp from the pistons.
  10. Inspect the brake pads for wear. Refer to Brake Pad Inspection

    11. Object Number: 1937682 Size: LH
  11. Clean the guides (arrows) in the brake carrier with a soft metal brush.
  12. Coat the guides with anti-squeak compound.

    13. Important: Brake fluid level rises in brake fluid reservoir. If necessary, siphon out brake fluid with siphon bottle. If the brake caliper is leaking or the protective cap on the brake caliper is damaged, overhaul brake. Refer to Front Brake Caliper Overhaul .

  13. Push back piston with the piston pusher.

Installation Procedure

    Object Number: 1935995 Size: LF

    Important: Substitute adhesive films (1), obtainable from the service department are to be used for reinstalling brake linings, attached with adhesive, on the rear brake caliper.

  1. Press the inner brake lining into piston with the retaining clamp.

    2. Object Number: 1938642 Size: SH

    Important: When installing the brake linings, ensure that the arrows (1) on the rear face of the lining point in the direction of rotation of the brake disc when the vehicle is travelling forwards.

  2. Insert the outer brake lining in the brake caliper.

    3. Important: Ensure that the brake hose is not twisted.

  3. Place the brake caliper on the brake carrier with the brake linings.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the brake caliper to the brake carrier.

    5. Tighten
    Tighten the brake caliper guide bolts to 28 N·m (20 lb ft).

  5. Install the dust caps to the guide bolts.
  6. Install the retaining spring to the brake caliper.
  7. Install the brake lining sensor to the inner brake lining, if equipped.
  8. Install 2 front wheels. Refer to Tire and Wheel Removal and Installation .
  9. Actuate the brake pedal repeatedly.
  10. Lower the vehicle.
  11. Top up the brake fluid to the MAX mark. Refer to Master Cylinder Reservoir Filling .