Repair rear wheel brake caliper

The order of execution of repair works is as follows:

1) Preparation:

- Disconnect the inner cable from the parking brake handle;

- Remove the wheel;

- Thoroughly clean the caliper;

2) Drain the brake fluid:

- Remove the cap from the drain fitting, pull on his pipe, the other end lower in the capacity to collect the brake fluid, and turning away, open choke;

- Lock the brake pedal in the down position by the holder. Collect exiting the brake fluid into a container.

3) Remove the rear caliper assembly:

- Disconnect the brake hose 4 (Fig. 6.13) from the caliper;

- Remove the screws 2 of the caliper guide pin;

- Remove the brake caliper 3 from the holder and remove the brake pads;

- Disconnect the cable from a support 1 hand brake, pulling the rubber cover pre-cable;

- Drain the brake fluid residues.

4) Disassemble the support:

- Remove the piston 2 with its cover 1, twisting it counterclockwise out of the caliper;

- Carefully remove the sealing ring from the cylinder 4 so as not to damage the edges of the grooves; Remove the drain fitting 6;

5) Clean and inspect carriage:

- Wash items with alcohol;

- Check for wear, damage, cracks and rust. If necessary, replace parts;

- Be sure to replace the O-ring 4 and collar Dirt 3;

- Carefully clean the channels and grooves for O-rings and cuffs Dirt. In the presence of the cylinder scratches or scratches, replace the caliper assembly. Small deposits of rust, remove fine sandpaper;

6) Assemble the saddle:

- Blow compressed air parts;

- Lubricate the brake fluid surface of the cylinder liner, the piston and a new sealing ring;

- Put the O-ring into the cylinder, the piston sleeve Dirt; Dirt piston sleeve in the cylinder;

- Carefully press the piston into the cylinder until it touches the nut and screw and screw clockwise;

- Make sure that the cuff is 3 Dirt fell into place.

- Screw the drain fitting 6;

- Check the condition of a support and guide the brake disc;

- Put the brake pads;

- Mount the parking brake cable;

- Establish a support on the bracket and tighten the two screws 2 (see. Fig. 6.13) to 33 N ?� m;

- Connect the brake hose 4, using new seals. Tighten to 29 Nm. Make sure that the brake hose is not kinked;

- Bleed the brake system and tighten drain fitting 5 N ?� m;

- Install the wheel.

- Press several times on the brake pedal, check the level in the brake fluid reservoir and the adjustment of the parking brake;

- Check the pressure in the brake and clutch systems and, if necessary, making sure there are no leaks, pump;

- Put the protective cover of the connector.