Audi A8 2010 - Page 44

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– If there are two bleeder screws on each brake caliper: Working
from outside of rim, apply reversible ratchet -2- and socket
-3- and repeat procedure.
– Refit cap on bleeder screw(s) on brake caliper.
– Repeat procedure on passenger's side.
Step 3 - bleeding clutch slave cylinder
Only for vehicles with manual gearbox
– Remove components necessary for access; refer to ⇒ Manual
gearbox; Rep. gr. 30 ; Clutch mechanism; Bleeding clutch
mechanism .
– Fit bleeder hose attached to collector container -1- onto bleed‐
er screw of clutch slave cylinder.
– Open bleeder screw and allow correct amount of brake fluid
to flow out (see table of test values and procedure guidelines
⇒ page 37 ).
– Close bleeder screw and fit cap.
Step 4 - final steps:
– Close filling lever of brake filling and bleeding equipment -
VAS 5234- .
– Detach filling hose from adapter.
– Unscrew adapter from brake fluid reservoir.
– Check brake fluid level and adjust if necessary (depending on
brake pad wear) ⇒ page 41 .
– Screw cap onto brake fluid reservoir.
– Operate clutch pedal several times.
–
Check pedal pressure and free travel: No more than
1
/
3
of total
pedal travel.
– Make sure that the brakes work properly before the vehicle is
driven on the road.
– If free travel of brake pedal is greater than specified, or if brake
function is impaired: Check brake system for leaks and renew
brake fluid again.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
40 3. Maintenance