Brake System Pressure Reservoir -VX70-, PRE-BLEEDING

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Collection bottle from the Bleeding Equipment:VAS6860 or Brake Charger/Bleeder Unit: VAS5234

Fig 1: Brake Charger/Bleeder Unit VAS5234
Courtesy of AUDI
Plugs from the Repair Kit:1H0 698 311 A : M10 -item 1- and M12 -item 2-

Courtesy of AUDI
M10 plug -item 1- or M12 -item 2- from the Assembly Part Set:5Q0 698 311

Fig 2: Plug 5 Q 0 698 311
Courtesy of AUDI

Procedure

Courtesy of AUDI

-- Attach the bleeder bottle -2- to the Brake System Pressure Reservoir -VX70- -3- with a suitable bleed hose.

-- Open the bleed screw -1-.

-- Fill with brake fluid until it comes out of the threaded hole -arrow- free of bubbles.

-- Close the bleeder screw.

-- Seal the threaded hole with a plug from the Assembly Part Set: 5Q0 698 311 .

-- Install the Brake System Pressure Reservoir -VX70-. Refer to Brake System Pressure Reservoir -VX70-, REMOVING AND INSTALLING .