CTS V6-2.8L (2006)
6. Remove the plug from the brake caliper opening and the brake hose.
7. Important: Install NEW copper brake hose gaskets.
Assemble the NEW copper brake hose gaskets, and the brake caliper bolt to the brake hose.
8. Install the brake hose and the brake caliper hose bolt to the brake caliper.
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Tighten the brake hose to caliper bolt to 34 Nm (25 ft. lbs.).
9. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) Hydraulic Brake System Bleeding (Pressure).
10. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
11. Slowly release the brake pedal.
12. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake
pads.
13. Install the tire and wheel assembly.
14. Lower the vehicle.