1999 AUDI A4 Radiator hose

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Page 17 of 40

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cooling System Components Workshop Manual 19-14
      
-  Replace coolant drain plug O-ring and install 
coolant drain plug into engine. 
     
   Tightening torque: 20 Nm (15 ft lb).
     
-  Install lower right coolant hose and secure with

Page 19 of 40

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cooling System Components Workshop Manual 19-16
      
-  Raise engine speed to approx. 2000 rpm for 
approx. 5 minutes. 
     
-  Allow engine to idle until lower coolant hose on 
radiator is hot. 
     
-  Check coolant level and top-off if

Page 20 of 40

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cooling System Components Workshop Manual 19-17
      
Radiator, removing and installing
 
     
Removing  
     
-  Remove front bumper. 
     
       Repair Manual, Body Exterior, Repair Group 
63
   
    
-  Drain coolant at drain plug (ar
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