When your GMC Sierra shudders and pulses to a location, you distinguish it's date to receive fresh rotors. Unfasten the caliper mounting bolts and then hang the caliper and attached brake line out of the way with mechanic's wire. Be careful not to disconnect the brake line.4.
1. Filter two thirds of the brake fluid from the brake cylinder. Then jack up your GMC Sierra using jacks and jack stands. Be confident to block the wheels to conserve your Motor lorry from rolling while you exertion. Remove the fundamental tire and turn meeting.
2. Subsume a screwdriver terminated the brake caliper into the brake rotor vane. This keeps the rotor from turning while you purpose the position of the front circle amplitude on the hub. You should effect the same for the position of the old rotor on the hub.
3. Rotors, as well certified as brake discs, solitary demand to be changed whether they satisfy warped or also worn down and can't be resurfaced. Luckily, the fashion is elementary and you can effect it yourself in your own garage.
Instructions
Remove the old rotor and then clean the area around the hub with a damp cloth. Install the new rotor and tighten the holding screws.
5. Discard the wire and bolt the caliper assembly back into position with a torque wrench. Replace the wheel assembly and tire and move to repeat this process for each additional rotor.
6. Lower your truck when you've finished installing the new rotors. Tighten and torque the lug nuts and then refill the master cylinder with new brake fluid.
7. Pump the brake on your Sierra until you get a firm pedal and be sure to road test your GMC to make sure everything is in good working order.