Polo Mk4
Rear wheel disc brake - repair |
Special tools and workshop equipment required |
t | "Torque wrench - 5 to 50 Nm (enc. 1/2")" -VAG 1331- |
t | "Torque wrench - 40 to 200 Nm (enc. 1/2")" - VAG 1332- |
t | Torque wrench - 4 to 20Nm (enc. 3/8") -VAG 1410 - |
t | Brake pedal pressing device -VAG 1869/2- |
Note
|
1 - | Phillips screw |
q | 4 Nm |
2 - | Brake disc |
q | Thickness 9 mm |
q | Wear limit 7 mm |
q | always replace from the same axle |
q | to remove, first release the brake caliper |
q | Do not remove the brake discs from the wheel hub with with excessive force, use a rust remover if necessary, otherwise the discs may be damaged. |
3 - | Cap |
q | remove and install → Running gear, axles, steering; Rep. Gr.42. |
4 - | Self-locking splined nut, 90 Nm + 30° |
q | replace |
5 - | Wheel hub with wheel roller bearing and rotor |
q | remove and install → Running gear, axles, steering; Rep. Gr.42. |
6 - | Hexagonal head screw |
q | 60 Nm |
q | with dish spring |
7 - | Cover plate |
8 - | Axle end |
9 - | ABS speed sensor |
q | before installing the sensor, clean the internal surface of the hole and apply Lubricating Putty -G 000 650- around the sensor. Refer to the → Chemicals Manual |
10 - | Internal hex head screw |
q | 8 Nm |
11 - | Axle body |
12 - | Handbrake cable |
q | Handbrake - adjust → Chapter |
13 - | Internal hex head screw |
q | 80 Nm |
14 - | Brake hose/brake tube |
q | with hollow screw and sealing rings |
q | Torque of the hollow screw in the brake caliper 50 Nm |
q | do not loosen the brake hose to replace the brake pads |
15 - | Hexagonal head, self-locking screw |
q | 35 Nm |
q | replace |
16 - | Brake caliper |
q | repair → Chapter |
q | remove and install → Chapter |
17 - | Brake pads |
q | Thickness 11.5 mm |
q | Wear limit: 7.5 mm including the rear plate |
q | Check thickness: |
q | always replace from the same axle |
q | remove and install → Chapter |
18 - | Brake pad retaining spring |
q | always replace after a pad is replaced |
19 - | Brake support with guide pins and protection cover |
q | it is supplied as replacement part assembled and with the necessary amount of grease on the guide pins |
q | in case of damages to the protection covers or to the guide pins, install the repair set; Use the grease package supplied to lubricate the guide pins |