GM Service Manual Online
For 1990-2009 cars only

Front Brake Hose Replacement Single Piston Caliper

Removal Procedure


    Object Number: 887  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the front tires and wheels assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Clean all dirt and foreign material from the brake hoses and the brake pipes.
  4. Using a backup wrench on the brake pipe fitting, disconnect the brake pipe from the brake hose hose.
  5. Important: Install a plug or cap in the brake pipe to the exposed brake pipe fitting end in order to prevent fluid loss and contamination.

  6. Disconnect the brake pipe fitting from the flex brake hose at the frame.
  7. Remove the front brake hose retainer at the frame bracket.

  8. Object Number: 399352  Size: SH
  9. Remove the hose front flex brake hose bolt and gaskets from the brake caliper.
  10. Remove the brake hose from the brake caliper.
  11. Remove the copper gaskets from the brake hose bolt. These gaskets maybe stick to the brake caliper or the brake hose bolt.

Installation Procedure


    Object Number: 399352  Size: SH

    Important: DO NOT reuse the old copper gaskets. Always use NEW copper gaskets.

  1. Install the NEW copper gaskets on the brake hose bolt.
  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 caliper bolt to the brake caliper.
  4. Tighten
    Tighten the brake hose bolt to 44 N·m (32 lb ft).


    Object Number: 887  Size: SH
  5. Remove the plug or cap from the exposed brake pipe fitting.
  6. Install the brake hose to the brake pipe.
  7. Important: Ensure that the brake hose is not twisted and does not come in contact with any of the suspension components.

  8. Using a backup wrench on the brake pipe fitting, tighten the brake hose fitting.
  9. Tighten
    Tighten the brake hose fitting to 17 N·m (13 lb ft).

  10. Install the brake pipe retaining clips.
  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 in Tires and Wheels.
  13. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Front Brake Hose Replacement Dual Piston Caliper

Removal Procedure


    Object Number: 885  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Clean all dirt and other foreign material from the brake hoses and brake pipe fitting.
  4. Using a backup wrench on the brake pipe fitting, disconnect the brake pipe fitting from the brake hose fitting.
  5. Disconnect the brake pipe fitting at the frame.
  6. Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent fluid loss and contamination.
  7. Remove the brake pipe retainer.
  8. Remove the brake hose retainer nut and bolt from the upper control arm.

  9. Object Number: 355084  Size: SH
  10. Remove the front brake hose bolt and gaskets from the caliper.
  11. Remove the front brake hose.
  12. Remove the metal gaskets from the brake hose bolt. The metal gaskets may be stuck to the brake caliper and/or the brake hose end.

Installation Procedure


    Object Number: 355084  Size: SH

    Important: DO NOT reuse the old metal gaskets (copper), replace them with NEW metal (copper) gaskets.

  1. Install the metal gaskets (copper) on the brake hose bolt.
  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.

    Important: The brake hose must not be twisted. Ensure that the brake hose is not in contact with any of the suspension components.

  3. Install the front brake hose to brake caliper.
  4. Tighten
    Tighten the front brake hose bolt to 54 N·m (40 lb ft).


    Object Number: 885  Size: SH
  5. Remove the rubber cap or plug from the brake pipe fitting.
  6. Install the brake hose to the brake pipe.
  7. Using a backup wrench, tighten the brake hose and the brake pipe fitting.
  8. Tighten
    Tighten brake hose fitting to 17 N·m (13 lb ft).

  9. Install the brake hose retaining bracket to the upper control arm.
  10. Install the brake hose retaining bracket bolt and nut.
  11. Tighten
    Tighten brake hose retaining bracket nut to 22 N·m (16 lb ft).

  12. Install the brake hose retaining clip at the frame.
  13. Bleed the hydraulic system. Refer to Hydraulic Brake System Bleeding .
  14. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  15. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.