45-48
      
Installing  
     
Note:  
     When installing, pay particular attention to the 
following points. 
     
Only remove the sealing plugs on the new 
hydraulic control unit when the corresponding 
brake line is about to be installed. 
     If the sealing plugs are removed too early the 
brake fluid can escape. 
     
-  Bleed brake system   page 47
-23
 .
     
Bleeding brake system using US1116 brake 
bleeder 
     
-  Connect US1116 brake bleeder.
     
-  Open bleeder screws in the following sequence 
and bleed brake calipers (assist with pedal 
pressure, if necessary). 
     
Bleeding sequence 
     
2 - Left-rear brake caliper
Pa
ge 9 of 18 Electronic Stabilit
y Pro
gram 
(ESP
) hydraulic unit, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.5