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For 1990-2009 cars only

Front Brake Hose Replacement CTS

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 .
  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 and the brake pipe fittings.

  4. Object Number: 1412663  Size: SH

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

  5. Disconnect the brake pipe fitting (1) from the brake hose (3), than cap or plug the brake pipe fitting end.
  6. Loosen the brake hose bracket-to-frame mounting nut (2).
  7. Remove the brake hose and bracket (3) from the frame.

  8. Object Number: 752743  Size: SH
  9. Remove the brake hose to caliper bolt (4) from the brake caliper (1).
  10. Remove the brake hose (2) from the brake caliper.
  11. Place a shop towel on a hard surface.
  12. Tap the threaded end of the brake hose to caliper bolt (4) on the shop towel to remove the gasket (3) from the bolt (4).
  13. Remove and discard the two copper brake hose gaskets (3). These gaskets may be stuck to the brake caliper (1) and/or the brake hose end (2).
  14. Important: Install a rubber cap or plug to the exposed brake pipe fitting end in order to prevent brake fluid loss and/or contamination.

  15. Install a rubber plug into the brake hose to caliper bolt hole of the brake caliper.

Installation Procedure

  1. Remove the rubber plug from the brake hose to caliper bolt hole of the brake caliper.

  2. Object Number: 752743  Size: SH

    Important: Install NEW copper brake hose gaskets.

  3. Assemble the brake hose (2), the NEW copper brake hose gaskets (3), and the brake hose bolt (4) to the brake hose (2).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the brake hose (2) to caliper bolt (4) to the brake caliper (1).
  6. Tighten
    Tighten the brake hose to caliper bolt to 50 N·m (37 lb ft).


    Object Number: 1412663  Size: SH
  7. Install the brake hose and bracket to the frame.
  8. Tighten
    Tighten the nut to 14 N·m (37 in lb).

  9. Remove the rubber cap or plug from the exposed brake pipe fitting end.
  10. Install the brake pipe fitting (1) to the brake hose (3).
  11. Tighten
    Tighten the brake pipe fitting to 18 N·m (13 lb ft).

  12. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .
  13. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  14. Lower the vehicle.

Front Brake Hose Replacement CTS-V

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 .
  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 and the brake pipe fittings.

  4. Object Number: 1412663  Size: SH

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

  5. Disconnect the brake pipe fitting (1) from the brake hose (3), than cap or plug the brake pipe fitting end.
  6. Loosen the brake hose bracket-to-frame mounting nut (2).
  7. Remove the brake hose and bracket (3) from the frame.

  8. Object Number: 752743  Size: SH
  9. Remove the brake hose to caliper bolt (4) from the brake caliper (1).
  10. Remove the brake hose (2) from the brake caliper.
  11. Place a shop towel on a hard surface.
  12. Tap the threaded end of the brake hose to caliper bolt (4) on the shop towel to remove the gasket (3) from the bolt (4)
  13. Remove and discard the two copper brake hose gaskets (3). These gaskets may be stuck to the brake caliper (1) and/or the brake hose end (2).
  14. Important: Install a rubber cap or plug to the exposed brake pipe fitting end in order to prevent brake fluid loss and/or contamination.

  15. Install a rubber plug into the brake hose to caliper bolt hole of the brake caliper.

Installation Procedure

  1. Remove the rubber plug from the brake hose to caliper bolt hole of the brake caliper.

  2. Object Number: 752743  Size: SH

    Important: Install NEW copper brake hose gaskets.

  3. Assemble the brake hose (2), the NEW copper brake hose gaskets (3), and the brake hose bolt (4) to the brake hose (2).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the brake hose (2) to caliper bolt (4) to the brake caliper (1).
  6. Tighten
    Tighten the brake hose to caliper bolt to 34 N·m (25 lb ft).


    Object Number: 1412663  Size: SH
  7. Install the brake hose and bracket to the frame.
  8. Tighten
    Tighten the nut to 14 N·m (124 lb in).

  9. Remove the rubber cap or plug from the exposed brake pipe fitting end.
  10. Install the brake pipe fitting (1) to the brake hose (3).
  11. Tighten
    Tighten the brake pipe fitting to 18 N·m (13 lb ft).

  12. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .
  13. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  14. Lower the vehicle.