45-21
      
ABS hydraulic control unit, removing 
and installing 
 
     
Note:  
     When working with brake fluid, observe the 
relevant safety precautions and notes   Brake 
system, bleeding, page 47
-23
 . 
     
Special tools and equipment  
     
Sealing plugs from repair kit Part No. 1H0 698 
311A 
     Brake pedal depressor, e.g. from VAG1813
     
CAUTION! 
     
Part numbers are listed here for reference 
only. Always check with your Parts 
department for the latest information. 
      Component location:  
    
The hydraulic control unit is installed on the left side of the engine 
compartment.  
Pa
ge 4 of 6 Anti-lock Brake S
ystem 
(ABS
), Bosch 5.3
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU03.45.3