Technical characteristics of rear wheel disc brakes (Opel Kadett E)

The rear brakes are Teves brand, with solid discs, fixed caliper, two-piston, with integrated parking brake shoes.

Brake disc characteristics

Outer disc diameter, mm: 260.

Nominal disc thickness, mm: 10.

Minimum thickness after grinding each side, not less than, mm: 8.

Roughness of the working surface of the disc after grinding, µm: 10.

Minimum disc thickness when worn, not less than, mm: 7.

Permissible difference in thickness of the working surface of the disk, no more than, mm: 0.01.

Axial runout of the working surface of the disk, no more than, mm:

• when measured on a removed disk: 0.03;
• when measured on a car: 0.10.

Permissible depth of wear marks on each side of the disc, no more than, mm: 0.4.

Characteristics of the friction linings of the rear wheel brake mechanisms

Brake pads

Brand and type: Textar T414.

Total thickness of friction lining (together with the backing), mm: 15.

Dimensions of friction linings, mm: 61.8x40.5x11.

Minimum total friction lining thickness (together with the backing) when worn, not less than, mm: 7.

Wheel cylinders

Piston diameter, mm: 35.