Polo Mk4
|
WARNING
| 1 - | Servo brake |
| q | On gasoline engines, the vacuum required is removed from the intake manifold. |
| q | On diesel engines, a vacuum pump is installed to create vacuum. |
| q | Check the operation |
| q | Press the brake pedal several times with the engine stopped (this eliminates any remaining vacuum inside the device). |
| q | Now, hold the brake pedal in the braking position using average foot pressure and start the engine. When the servo brake is working properly, this can be felt with a foot on the brake pedal (the amplification is active). |
| q | in case of faults, replace completely |
| q | Check valve (in the vacuum hose). Check the operation → Chapter |
| q | separate from the brake pedal → Chapter |
| q | remove and install → Chapter |
| 2 - | Brake oil level warning contact -F34- |
| 3 - | Plug |
| 4 - | Brake fluid reservoir |
| 5 - | Sealing plug |
| q | moisten with brake fluid and introduce into the brake cylinder |
| 6 - | Self-locking hex head nut |
| q | replace |
| q | 20 Nm |
| 7 - | Brake cylinder |
| q | cannot be repaired. In case of faults, replace completely |
| 8 - | Retaining pin |
| q | insert through the brake cylinder |
| 9 - | Seal |
| q | replace |
| 10 - | Plug |
| 11 - | Vacuum hose |
| q | install in the servo brake |
| 12 - | Bellows |
| q | ensure proper seating, aspiration noises may occur |
| 13 - | Self-locking hex head nut |
| q | replace |
| q | 28 Nm |
| 14 - | Sealing |
| q | to servo brake |