Note. see tube part numbers. Here or Here.
Attention. No creases, dents or other damages that can lead to depressurization of the brake system are allowed on the brake pipes; brake pipes with the indicated defects must be replaced.
Attention. It is not allowed to touch the brake pipes on other parts except for the attachment points and the noise-insulating upholstery of the bulkhead.
All brake pipe connections are turnkey "at 11". For work it is better to use a special wrench for fittings of brake pipelines.
Removing
Place the vehicle on a workbench or two-post lift (depending on the location of the replaceable brake pipes on the car), apply the parking brake and switch off the ignition.
Raise the vehicle to a height convenient for work.
Before replacing the brake pipe to the front brake hose, remove the front wheel.
Before replacing the brake pipe, the attachment points to the body of which are located above the gas tank, remove gas tank.
Disconnect the brake pipe from the elements of the brake system (brake master cylinder, ABS hydraulic unit, rear brake pressure regulator, rear brake wheel cylinder, brake pipe, flexible brake hose).
At the connection points with flexible brake hoses, remove the fastening bracket from the brake pipe union.
When removing pipelines, install technological plugs in the openings of the brake system (wrench 14, wrench for brake pipes type 41 08 11 13 f. "Stahlwille", technological plugs).
Remove the brake pipe, releasing it from the mounting brackets to the car body.
For the brake pipes of the rear wheel cylinders, release the pipes from the mounting brackets to the beam and the rear suspension arms (flat screwdriver).
To remove the pipes laid under the bottom of the body, first remove the pipeline screen (interchangeable head 13, extension and collar).
Installation
Attention. When connecting brake pipes to flexible hoses, twisting of the brake hoses is not allowed.
Install the brake lines in the reverse order of removal (wrench 14, wrench for brake pipes type 41 08 11 13 f. "Stahlwille", interchangeable inserts 11 type 58 23 10 11 f. "Stahlwille", torque wrench type 50 18 00 04 f. "Stahlwille").
Tightening torque for brake pipe fittings 14 Nm (1.4 kgf·m).
If removed, then:
- install piping screen (interchangeable head 13, extension and collar);
- install fuel tank.
- install the front wheel.
Bleed the brake system (see here).
Check the efficiency of the service brake system.