19-1
 
     
Cooling system components, 
removing and installing 
     
WARNING! 
     
The cooling system is pressurized when the 
engine is warm. When opening the expansion 
tank, wear gloves and other appropriate 
protection, cover the cap using a cloth, and 
open carefully to relieve system pressure 
slowly. 
     
Note:  
     
Cooling system is under pressure when engine 
is warm. If necessary reduce pressure before 
repair. 
     Secure all hose connections using production-
type clamps   parts catalog. 
     
VAG1921 pliers are recommended for installing 
spring clips. 
     Always replace gaskets, seals and O-rings.
     Arrows on coolant lines and hoses must 
align. 
Pa
ge 1 of 34 Coolin
g system com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.19.1