19-10
      
WARNING! 
     
The cooling system is pressurized when the 
engine is warm. Wear gloves and other 
appropriate protection, and slowly and 
carefully release system pressure, if 
necessary, before performing repairs. 
     
-  Check coolant level in expansion tank and top 
up if necessary. 
     
-  Stop engine (switch ignition off).
Pa
ge 10 of 12 Coolin
g system, com
ponents
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.19.2 
         
        
        19-11
      
Cooling system leaks, checking
 
     
WARNING! 
     
The cooling system is pressurized when the 
engine is warm. Wear gloves and other 
appropriate protection, and slowly and 
carefully release system pressure, if 
necessary, before performing repairs. 
     
Engine must be at operating temperature 
    
If the pressure drops:  -  Connect cooling system tester VW 1274 to expansion tank using 
adapter VW 1274/1. 
-  Operate hand pump on tester to create a pressure of approx. 1 bar (15 
psi). 
-  Locate and repair leak in the cooling system.
Pa
ge 11 of 12 Coolin
g system, com
ponents
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.19.2