Hydraulic System, Post-Bleeding

The brake system is divided diagonally.

Only perform if the brake pedal travel is too long, or the so-called >>soft brake pedal<<.

Special tools and workshop equipment required

Procedure

Fig 1: Brake Fluid Reservoir

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-- Fill the brake fluid reservoir with brake fluid up to the "max" mark (example photo).

-- Connect the : VAS5234 with : VAS5234/1A (example photo).

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-- Set the correct pressure on the Brake Charger/Bleeder Unit. Refer to the Operating instructions from the : VAS 5234 .

TIP:

For certain tire combinations the removal of the wheels is required.

-- Remove the protective cap from the bleed screw on the brake caliper.

Use a suitable bleeder hose. It must be seated tightly on the bleed screw so that no air can enter the brake system.
Follow the operating instructions for the : VAS5234 .

-- Connect the hose -1- on the container.

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Bleeding Sequence

1 - Left Front Brake Caliper

2 - Right Front Brake Caliper

3 - Left Rear Brake Caliper

4 - Right Rear Brake Caliper

Bleed the brake caliper at each bleed screw. If the brake caliper has two bleed screws, bleed the outer screw first.

-- Depress the brake pedal forcefully and hold.

-- Open the bleed screw on the brake caliper.

-- Press the brake pedal down until it stops.

-- Close the bleeder screw with the pedal depressed.

-- Release the brake pedal slowly.

-- Repeat the bleeding procedure in the specified sequence for the remaining brake calipers.

-- Fill the brake fluid reservoir with brake fluid up to the "max" mark (example photo).

Fig 2: Brake Fluid Reservoir

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-- Screw down the reservoir.

A road test must be performed after bleeding. During this, at least one ABS control must be performed!

CAUTION:

Faulty brakes increase the risk of an accident.

- Make sure the brakes are working correctly before driving the vehicle for the first time.

Tightening Specifications