Procedures

Brake Lines, Repairing

Special tools, testers and auxiliary items required

• Brake Line Flaring Appliance (VAS 6056)

• Brake Filler/Bleeder Unit (VAS 5234)

- Remove affected brake line at brake caliper or wheel brake cylinder and collect escaping brake fluid and dispose of it correctly.

- Disconnect brake line at appropriate location (straight, accessible part) with line cutter - 2 -.





- Remove piece to be exchanged.

- Lubricate brake line surface.

- Clamp brake line in self-grip pliers - 4 - so that 50 mm of the plastic clamping jaws show.





- Clamp shearing tool - 3 - in a drill and place it on brake line.

- Shear coating from brake line at a slow drill RPM and with light pressure against the line.

• The length of the sheared-off portion is determined by the stop in the shearing tool.

- Remove shearing tool from brake line and remove shearing remains.

- Remove self-grip pliers and tube fitting - D - from brake line.





- Slide brake line - B - against stop - A - in flaring tool.





• Brake line must contact stop when hex socket heat screws are tightened, otherwise flared head will not be formed correctly.

- Clamp brake line in flaring tool until it cannot be moved any more. Fold stop - A - up and tighten hex socket head screws diagonally with angle screw driver - C -.

- Turn spindle to stop in flaring tool.





- Turn spindle back.

- Loosen hex socket head screws diagonally.

- Remove brake line from flaring tool, clean and check brake line and flared head.

Briefly rinse part of brake line remaining in vehicle.

- Connect (VAS 5234), place bleeder container hose on flanged head of brake line and run (VAS 5234) briefly until some brake fluid runs through.

- Blow out brake line to be inserted with compressed air.

- Join brake lines with connecting piece - E -.





- Assemble brake line.

- Bleed brake system. Refer to => [ Brake System, Bleeding ] Brake System, Bleeding.