GM Service Manual Online
For 1990-2009 cars only

Rear Brake Hose Replacement Caliper

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

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

Removal Procedure

  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.
  3. Clean all dirt and foreign material from the brake hose end and brake pipe fitting.

  4. Object Number: 795665  Size: SH

    Note: Install a rubber cap or plug to the exposed brake pipe fitting end in order to prevent brake fluid loss and contamination.

  5. Use a backup wrench on the brake hose fitting end (1), disconnect the brake pipe fitting end (2) from the brake hose (1) then cap or plug the brake pipe fitting end.
  6. Remove the brake hose retaining clip (3) from the brake hose mounting bracket.
  7. Remove the brake hose (1) from the mounting bracket.

  8. Object Number: 363420  Size: SH
  9. Remove the brake hose to caliper bolt from the brake caliper.
  10. Remove and discard the 2 copper brake hose gaskets. These gaskets may be stuck to the brake caliper housing or the brake hose end.

Installation Procedure


    Object Number: 363420  Size: SH

    Note: Install 2 new copper brake hose gaskets.

  1. Assemble the 2 new copper brake hose gaskets and the brake hose bolt to the brake hose.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the brake hose to caliper bolt and 2 new washers to the brake caliper.
  4. Tighten
    Tighten the bolt to 40 N·m (30 lb ft).

    Note: The brake hose must not be twisted. Make sure the brake hose is not in contact with any suspension component.

  5. Install the brake hose (1) into the mounting bracket.

  6. Object Number: 795665  Size: SH
  7. Install the brake hose retaining clip (3).
  8. Remove the rubber cap or plug from the exposed brake pipe fitting end.
  9. Connect the brake pipe fitting end (2) to the brake hose (1):
  10. • Use a backup wrench on the brake hose fitting end (1).
    • Do not bend the mounting bracket or the brake pipe.

    Tighten
    Tighten the brake pipe fitting end (2) to 25 N·m (18 lb ft).

  11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
  12. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  13. Note: Ensure that the brake hose does not make contact with any part of the suspension or the tire/wheel assembly. If the brake hose makes contact remove the brake hose and correct the condition.

  14. Lower the vehicle.

Rear Brake Hose Replacement Jounce

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

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

Removal Procedure


    Object Number: 793158  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Clean all dirt and foreign material from the brake hose and brake pipe fittings.
  3. Note: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.

  4. Use a backup wrench on the hose fitting, disconnect the brake pipe fitting from the brake hose, then cap or plug the brake pipe fitting end.
  5. Remove the brake hose upper bracket bolt.

  6. Object Number: 793160  Size: SH

    Note: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.

  7. Using a backup wrench on the hose fittings, disconnect the brake pipe fittings from the brake hoses (1), then cap or plug the brake pipe fitting ends.
  8. Remove the brake hose lower bracket bolt (2).
  9. Remove the jounce hoses.

Installation Procedure


    Object Number: 793160  Size: SH
  1. Install the rear jounce brake hoses (1).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the brake hose lower bracket and bolt (2) to the axle.
  4. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  5. Remove the caps or plugs from the rear brake pipes and connect the pipes to the jounce hoses.
  6. Tighten
    Tighten the brake pipe fittings to 25 N·m (18 lb ft).


    Object Number: 793158  Size: SH

    Note: The hoses must not be twisted. Make sure the hoses are not in contact with any suspension component.

  7. With the weight of the vehicle on the suspension, install the brake hose bracket bolt.
  8. Remove the rubber cap or plug from the exposed brake pipe fitting end.
  9. Connect the brake pipe fittings to the brake hoses:
  10. • Use a backup wrench on the hose fitting.
    • Do not bend the bracket or the pipe.

    Tighten
    Tighten the brake pipe fitting to 25 N·m (18 lb ft).

  11. Ensure that the hose does not make contact with any part of the suspension. If the hose makes contact, remove the hose and correct the condition.
  12. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
  13. Lower the vehicle.