GM Service Manual Online
For 1990-2009 cars only

Rear Brake Hose Replacement Caliper

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

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

Removal Procedure

  1. Raise and suitably support 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. Clean all dirt and foreign material from the brake hose and brake pipe fittings.

  4. Object Number: 363425  Size: SH

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

  5. 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.
  6. Remove the brake hose retaining clip from the hose mounting bracket.

  7. Object Number: 363420  Size: SH
  8. Remove the brake hose to caliper bolt from the brake caliper.
  9. Remove the brake hose 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

    Important: 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. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  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) for.

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

  5. Install the brake hose into the brake hose bracket.
  6. Install the brake hose retaining clip.
  7. Remove the rubber cap or plug from the exposed brake pipe fitting end.
  8. Connect the brake pipe fitting nut to the brake hose:
  9. • Use a backup wrench on the hose fitting.
    • Do not bend the bracket or the pipe.

    Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

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

Rear Brake Hose Replacement Jounce

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

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

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Clean all dirt and foreign material from the brake hose and brake pipe fittings.

  3. Object Number: 794156  Size: SH

    Important: 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 retaining clip from the hose mounting bracket.
  6. Remove the jounce hose from the bracket.
  7. Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.

  8. Disconnect the rear brake pipes from the junction block on the rear axle and cap or plug the brake pipe fitting ends.
  9. Remove the junction block retaining bolt from the axle.
  10. Remove the brake hose from the vehicle.

Installation Procedure


    Object Number: 794156  Size: SH
  1. Install the rear brake hose
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the junction block retaining bolt to the axle.
  4. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  5. Uncap or unplug the rear brake pipes and connect the pipes to the junction block on the axle.
  6. Tighten
    Tighten the fitting to 25 N·m (18 lb ft).

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

  7. Install the brake hose into the bracket.
  8. Install the jounce hose retaining clip.
  9. Remove the rubber cap or plug from the exposed brake pipe fitting end.
  10. Connect the brake pipe fitting nut to the brake hose:
  11. • Use a backup wrench on the hose fitting.
    • Do not bend the bracket or the pipe.

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

  12. 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.
  13. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .
  14. Lower the vehicle.