engine oil AUDI A3 1998 8L / 1.G AEB ATW Engines Cooling System Components Workshop Manual
Page 7 of 34
19-7
      
Note (continued from page   Page 19
-6 ):  
     
G 011 A8 C or G 012 A8 D and coolant 
additives marked with "according to TL VW 
774C" or "according to TL VW 774 D", prevent 
frost and corrosion damage as well as calcium 
deposits. They also raise the boiling point. 
Therefore, cooling system must be filled year-
round with frost and corrosion protection 
additives. 
     A higher boiling point improves engine reliability 
under heavy load, particularly in countries with 
tropical climates. 
     Frost protection additives must protect against 
frost to about -25 C (-13 F) and to about -35
C (-31 F) in arctic climates. 
     
The coolant concentration must not be reduced 
by adding water even in warmer seasons and in 
warmer countries. The anti-freeze ratio must be 
at least 40%. 
     If for climatic reasons greater frost protection is 
required, the amount of G 011 A8 C or G 012 
A8 D can be increased, but only up to 60% to 
obtain frost protection to about -40 C (-40 F). 
Otherwise frost protection and cooling 
effectiveness will be reduced. 
Pa
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g system com
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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 
Page 28 of 34
19-24
      
Radiator, removing and installing
 
     
Special tools and equipment  
      VAG1306 drip tray  
     
Removing  
     
-  Remove front bumper. 
     
       Repair Manual, Body Exterior, Repair Group 
63
   
    
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.  -  Unbolt cooling pipe for power steering hydraulic oil (arrows).
-  Place VAG1306 drip tray underneath engine.
-  Open coolant expansion tank cap.
Pa
ge 28 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