Brake System Pressure Reservoir -VX70-, PRE-BLEEDING

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Special tools and workshop equipment required

Collection bottle from the Bleeding Equipment:VAS 6860 or Brake Charger/Bleeder Unit:VAS 5234

Fig 1: Brake Charger/Bleeder Unit VAS5234
Courtesy of AUDI
Plug from the Repair Kit:1H0 698 311 A M10 -item 2- and M12 -item 3-

Fig 2: Identifying Sealing Plug Repair Set, Part No. 1 H0 698 311 A
Courtesy of AUDI
Plugs from the Assembly Part Set:5Q0 698 311 : M10 -item 1- and M12 -item 2-

Fig 3: Plug 5 Q 0 698 311
Courtesy of AUDI

Procedure

Courtesy of AUDI

-- Attach the collector bottle -2- to the Brake System Pressure Reservoir -VX70- -item 1- with a suitable bleed hose.

-- Open the bleed screw -3-.

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

-- Close the bleeder screw.

-- Immediately close the threaded hole plug from the Repair Kit:1H0 698 311 A or Assembly Part Kit:5Q0 698 311 .

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