audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Exploded view - clutch release mechanism > < Exploded view - hydraulics (RHD)
Bleeding clutch system
Bleeding clutch system
Special tools and workshop equipment required
   
t  Brake filling and bleeding equipment -VAS 5234-
  Note
t  The clutch system must be bled after performing work on the hydraulic clutch mechanism.
t  In the following steps make sure that no brake fluid escapes onto the longitudinal member or onto the gearbox below.
t  Prefilling the system is not necessary.
t  Before bleeding clutch system, top up brake fluid reservoir to „Max“ marking with brake fluid.
t  Brake fluid specification → Rep. gr.47.
Vehicles with 1.8 ltr. TFSI engine:
–  Remove air cleaner housing completely → Rep. gr.24.
Continued for all vehicles:
–  Pull clutch pedal back to its normal rest position.
–  Connect brake filling and bleeding equipment -VAS 5234- or -V.A.G 1869-.
–  To bleed system, use bleed hose -V.A.G 1238 B/3- - 670 mm long, if necessary.
–  Then connect bleeder hose to collector bottle of brake bleeding unit.
  W00-1101
–  Connect bleed hose to bleeder connection -arrow-.
–  Now switch on bleeding equipment.
t  Operating pressure 2.0 bar
–  Open bleeder screw.
–  Bleed off about 100 cm3 of brake fluid.
–  Close bleeder screw.
–  Rapidly pump clutch pedal through full range of travel 10 to 15 times.
–  Open bleeder screw once again.
–  Bleed off an additional 50 cm3 of brake fluid.
–  Tighten bleeder screw to 6 Nm, detach bleeder hose and fit protective cap.
–  Detach brake filling and bleeding equipment -VAS 5234- from brake fluid reservoir.
–  Depress clutch pedal several times after bleeding process is completed.
–  Repeat bleeding procedure if necessary.
Vehicles with 1.8 ltr. TFSI engine:
–  Install complete air cleaner housing → Rep. gr.24.
  A30-10134

Exploded view - clutch release mechanism > < Exploded view - hydraulics (RHD)