Remove the wheel brake cylinder in the following order:
- place the car on a jack and unscrew the brake pipe from the back of the wheel brake cylinder on the wheel to be removed; on a car with a station wagon body, disconnect the brake pipe from the brake hose on the bottom side of the rear spring, close the open ends to prevent dirt from getting in;
- pump the brake pads in sequence so that the piston releases the brake pads from the brake cylinder;
Fig. 262. Fastening the brake cylinder of the drum brake mechanism
- unscrew the cylinder from the back side of the brake shield plate and remove it (Fig. 262), remove the sealing ring; if the cylinder is worn, replace it.
Carry out the installation as follows:
- insert the sealing ring from the back of the cylinder and secure the cylinder to the brake shield plate;
- insert the brake pads into the cylinder piston, first carefully insert one pad into the cylinder guide, insert the second pad from the outside so that it enters the piston slot;
- check the correct fit of all parts and install the brake drum;
- bleed the brakes and press the brake pedal several times to adjust the pads;
- operate the parking brake lever several times to engage the self-adjusting mechanism;
- lower the vehicle onto its wheels and tighten the wheel nuts to a torque of 85 Nm.