Brake Fluid Reservoir, Removing And Installing: Removing

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

CAUTION:

Leaking brake fluid increases the risk of injury.

Risk of skin irritation and injury.

- Wear safety gloves.

-- Open the brake fluid reservoir.

CAUTION:

Risk of accident due to the brakes malfunctioning.

- Brake fluid must never come into contact with fluids containing mineral oils (oil, gasoline, cleaning solutions).

- Do not use safety gloves that have been dirtied by oil or grease.

-- Extract as much brake fluid as possible from the brake fluid reservoir using the :VAS5234 with the :VAS5234/1 .

Fig 1: Identifying Brake Charger/Bleeder Unit VAS5234

Courtesy of AUDI

CAUTION:

There is a risk of contamination and paint damage from leaking brake fluid.

- Rinse off any leaking brake fluid immediately using plenty of water.

-- Disconnect the connector -2- for the Brake Fluid Level Warning Switch -F34-.

Courtesy of AUDI

-- To prevent brake fluid from escaping, place enough lint-free cloths in the area under the brake master cylinder.

-- Remove the locking pin -arrow- on the side of the brake fluid reservoir and from the brake master cylinder.

-- Remove the brake fluid reservoir -1- from the plugs.

-- Seal the open lines and connections immediately with plugs from the Assembly Part Set:5Q0 698 311 .