Brake Line Repair Instructions
Brake Line Repair Instructions
Special tools, testers and auxiliary items required
• Brake Charger/Bleeder Unit (VAS 5234)
- Remove the 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 the brake line.
- Shear coating from the 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 head bolts 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 bolts diagonally with angle bolt driver - C -.
- Turn spindle to stop in flaring tool.
- Turn spindle back.
- Loosen hex socket head bolts 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 the (VAS 5234) , place the bleeder container hose on the flared head of the brake line and run the (VAS 5234) briefly until some brake fluid runs through.
- Clean the brake line with compressed air.
- Join brake lines with connecting piece - E -.
- Assemble brake line.
- Bleed the brake system. Refer to => [ Hydraulic System, Bleeding ] Hydraulic System, Bleeding.