Brake Fluid, Changing

Brake Fluid, Changing

• To reach the reservoir, remove the cowl panel trim, headlamp and bumper.

• Use new Original Audi Brake Fluid only.

Change brake fluid with (VAS 5234)

CAUTION!
• Brake fluid must never come into contact with fluids containing mineral oils (oil, gas, cleaning solutions). Oils containing minerals damage plugs and rubber grommets on brake systems.

• Brake fluid is poisonous and must not be extracted by mouth using a hose under any circumstances. In addition, it must not come into contact with paint due to is corrosive effects.

• Brake fluid is hygroscopic, meaning that it absorbs moisture from the surrounding air, and must therefore always be stored in air-tight containers.

• Observe waste disposal regulations!

Special tools, testers and auxiliary items required

• Brake Filling and Bleeding Tool (VAS 5234)





• Reservoir





• The brake fluid level in the reservoir must be high enough so that air cannot get into the brake system.

• Do not remove the strainer inside the brake fluid reservoir.

• Follow (VAS 5234) operating instructions!

- Remove brake fluid reservoir cap - 1 -.





- Use the hose from the (VAS 5234) to extract as much brake fluid as possible.





CAUTION!
Do not reuse used / extracted brake fluid!

- Connect the adapter to the brake fluid reservoir.





- Connect the filler hose on the (VAS 5234) to the adapter.

Manual Transmission

- Pull the cap off the bleed screw on the clutch slave cylinder.

- Place extractor bleeder hose - 1 - on clutch slave cylinder bleed screw, open bleeder screw, and let about 100 ml drain out. Close the bleed screw and install the cap.





- Operate clutch pedal several times.

All Vehicles

- Remove caps from the bleed screws.

- Connect extractor bleed hose - 1 - to front left bleed screw, open bleed screw and allow about 200 ml to flow out. Close bleeder screw.

- Repeat procedure on opposite front.

- Connect extractor bleed hose - 1 - to rear left bleed screw, open bleed screw and allow about 200 ml to flow out. Close bleeder screw.

- Repeat procedure on opposite rear.

Sequence and Brake Fluid Capacity Table





** Including brake fluid extracted from brake fluid reservoir and quantity from clutch slave cylinder.

- Install the caps on brake caliper bleed screws.

- Move filler lever on (VAS 5234) or (V.A.G 1869) to position - B - (see operating instructions).

- Remove the filler hose from the adapter.

- Remove the adapter from the brake fluid reservoir.

- Check brake fluid level and fill if necessary.





- Install the brake fluid reservoir cap.

- Check pedal pressure and brake pedal free play. Free play: maximum 1/3 pedal travel