AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/961/w960_961-0.png AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components

Page 21 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-20
 
    
Note:  
Observe disposal regulations for coolant. 
Filling  
Notes:  -  Drain coolant from engine at drain screw -arrow-. 
Use only coolant additive G 12 - meeting specification VW 774 D.

Page 22 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-21
      
G 12 and coolant additives complying with 
specification "VW 774 D" prevent frost and 
corrosion damage, scaling and also raise the 
boiling point of the coolant. For this reason the 
sys

Page 23 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-22
      
The coolant concentration should not be 
reduced by adding plain water, even in warmer 
seasons and in warmer countries. The 
concentration must be at least 40 %. 
     If extra antifreez

Page 24 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components vehicle.  
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Page 25 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-23
      
-  Replace O-ring on coolant drain screw and 
screw drain screw back into engine. 
     
   Tightening torque: 20 Nm 
     
-  Install bottom coolant hose and secure.
     
-  Close coola

Page 26 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-24
 
    
-  Loosen bleeder screw on rear coolant line -arrow- below expansion 
tank. 
-  Fill up coolant until it comes out at bleeder screw. 
-  Screw in bleeder screw (20 Nm).
    
-  Loosen ble

Page 27 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-25
      
-  Start engine and let it idle for about 10 
minutes. 
     
-  Maintain an engine speed of about 2000 RPM 
for about 5 minutes. 
     
-  Allow engine to run at idling speed until botto

Page 28 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-26
      
Radiator, removing and installing
 
     
Removing  
     
-  Remove front bumper. 
     
       Repair Manual, Body Exterior, Repair Group 
63
   
    
- Drain coolant   Page 19
-19
 .

Page 29 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-27
 
    
Vehicles with air conditioner 
WARNING! 
Do not open the air conditioner refrigerant circuit. 
Note:  
To prevent damage to the condenser and refrigerant lines and hoses, 
ensure that the

Page 30 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-28
 
    
Installing  
Install in the opposite order to removing. When installing, note the 
following points:  
Tightening torques   -  Release two retaining pins for radiator and pull out upward
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