Brake Lines, Repairing: Instructions

WARNING: This page is about a different variant/trim than selected.

-- Remove brake line on the brake caliper or wheel brake cylinder.

-- Be sure to catch any leaking brake fluid and dispose of it correctly.

-- Cut the brake line at a suitable place (straight, easily accessible piece) with the tube cutter -2-.

Fig 1: Disconnecting Brake Line At Appropriate Location With Line Cutter

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-- Remove the piece to be exchanged.

-- Grease the brake line surface.

-- Pinch the brake line in a set of locking pliers -4- so that 50 mm is sticking out of the plastic jaws.

Fig 2: Brake Line Clamped In Self-Grip Pliers

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-- Install the peeling tool -3- in a power drill and place it on the brake line.

-- Operate the drill at a slow RPM.

-- Remove the coating on the brake line using light pressure.

NOTE:

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

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

-- Remove the locking pliers and push the tube fitting -D- onto the brake line.

Fig 3: Identifying Self-Grip Pliers, Tube Fitting And Brake Line

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-- Push the brake line -B- against the stop -A- inside the flaring tool.

Fig 4: Sliding Brake Line Against Stop In Flaring Tool

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NOTE:

The brake line must contact the stop when tightening the hex socket bolts, otherwise the flanged head will not be formed correctly.

-- Pretension the brake line inside the flaring unit until the brake line can no longer be moved.

-- Fold up stop -A-.

-- Tighten the hex socket bolts diagonally using an offset screwdriver -C-.

-- Turn the spindle all the way in the flange unit.

Fig 5: Identifying Turning Spindle To Stop In Flaring Tool

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-- Turn the spindle back.

-- Loosen the hex socket head bolts diagonally.

-- Remove the brake line from the flange unit.

-- Check and clean the brake line and the flared head.

Briefly rinse the part of the brake line remaining in the vehicle:

-- Connect the : VAS5234 , place the bleeder container hose on the flared head of the brake line and run the : VAS5234 briefly until some brake fluid runs through.

-- Clean the new brake line to be inserted with compressed air.

-- Join the brake lines with the connecting piece -E-.

Fig 6: Brake Lines Joined With Connecting Piece

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-- Install the brake line.

-- Bleed the brake system. Refer to HYDRAULIC SYSTEM .