Buick 21998527 Caliper Asm,Front Brake (W/O Brake Pads & Bracket)

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To remove the front wheel, start by loosening the lug nuts and raising the front of the vehicle onto jackstands. Block the wheels at the opposite end and then remove the front wheel. Next, remove the inlet fitting bolt and disconnect the brake hose from the caliper, making sure to discard the old sealing washers. Immediately plug the brake hose to prevent contaminants and air from entering the brake system and to minimize brake fluid loss. If you are only removing the caliper for access to other components, leave the brake hose connected and suspend the caliper with a length of wire to avoid hanging it by the hose. Proceed to remove the caliper mounting bolts and detach the caliper from the mounting bracket. For installation, follow the reverse steps of removal, using new sealing washers on each side of the brake hose inlet fitting. Ensure to tighten the fitting bolt and caliper mounting bolts to the specified torque. Finally, tighten the wheel lug nuts to the torque specifications. After installation, bleed the brake system if the brake hose was disconnected. Check for any leaks from the hose connections and test the brakes carefully before returning the vehicle to normal service.

To remove the brake caliper, start by loosening the wheel lug nuts and raising the vehicle on jackstands. Remove the wheels and then disconnect the brake hose from the caliper by removing the banjo fitting bolt. Remember to discard the sealing washers and plug the brake hose to prevent any contamination or fluid loss. Use hand tools to remove the upper guide pin bolt and securely hang the caliper out of the way if necessary. To remove the brake caliper bracket, remove the two bracket bolts and clean any remaining thread-locking material. For installation, use a high-temperature thread-lock on the brake caliper bracket bolts. Start by installing the caliper to the bracket, starting with the bolt closest to the bleed valve, and tighten the guide pin bolts to the proper torque specifications. Finally, bleed the brake system, check for any leaks, and test the brakes before returning the vehicle to normal service.

After disconnecting the brake hose, securely hang the caliper out of the way if necessary.

For installation, follow the reverse steps of removal, using new sealing washers on each side of the brake hose inlet fitting. Ensure to tighten the fitting bolt and caliper mounting bolts to the specified torque. Finally, tighten the wheel lug nuts to the torque specifications.

To disconnect the brake hose from the caliper, remove the banjo fitting bolt. Remember to discard the sealing washers and plug the brake hose to prevent any contamination or fluid loss.

During installation, use a high-temperature thread-lock on the caliper mounting bracket bolts.