Brake Rotor Replacement-Front
REMOVAL PROCEDURE1. Remove one-third of the brake fluid from the brake master cylinder reservoir.
2. Raise and suitably support the vehicle.
3. Remove the tire and the wheel.
4. Remove the caliper bracket bolts (1) and discard.
IMPORTANT: Do not twist or crimp the brake hose (2) and/or the sensor wire.
5. Remove the caliper and bracket and secure with mechanic's wire.
6. Remove the brake rotor set screw (1).
7. Remove the brake rotor.
INSTALLATION PROCEDURE
1. Chase the caliper bracket mounting threads in the steering knuckle to remove any residual locking compound.
NOTICE: Whenever the rotor has been separated from the axle flange, clean any rust or foreign material from the mating surface of the axle flange and brake rotor. Failure to do this may result in increased lateral runout of the rotor and brake pulsation.
2. Install the brake rotor.
3. Install the brake rotor set screw (1).
4. Install the caliper and bracket to the steering knuckle.
5. Coat the new caliper bracket bolts (1) with 272 Threadlocker, GM P/N 12345493 or equivalent.
6. Install the new caliper bracket bolts (1).
^ Tighten the caliper bracket bolts (1) to 95 Nm (70 ft. lbs.) on the first pass and additional 37 degrees on the second pass.
7. Install the tire and wheel.
8. Lower the vehicle.
9. Fill the master cylinder reservoir.
IMPORTANT: It is important that new braking surfaces be broken in or burnished after brake pads are installed and/or after rotors are refinished. Avoid overheating the brakes.
10. Make 20 stops from 48 km/h (30 mph) using medium to firm brake pedal pressure to burnish the brake rotors.