check oil AUDI A4 2001 B5 / 1.G 01V Transmission Center Differential Service Workshop Manual
Page 14 of 29
39-58
 
    
Installing  
Installation is reverse of removal, noting the following:  -  Pull Torsen differential off output shaft toward rear.
    
Note:  
Lightly coat sealing surface -D- with gear oil to prevent the seal from 
slipping.  -  Check for alignment bushing (arrow A) and (arrow B).
- Install gasket
-  Slide cleaned magnet into cast holding pocket -1- in intermediate 
flange. 
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Page 15 of 29
39-59
      
-  Add 200 ml. gear oil to output housing   
(comparable to gear oil, topping up on removed 
and disassembled center differential   page 39
-
43
 ). 
    
-  Install Torsen differential onto splines of output shaft and bottom spur 
gear while turning slowly. 
-  Check whether installed Torsen differential can be turned by hand.
    
-  Install fully assembled transfer housing with installed spur gears and 
rear drive flange onto transmission flange. 
-  Insert bolts for transfer housing and tighten to final tightening torque in 
diagonal sequence in several stages. 
-  Bolt driveshaft to transmission flange   page 39
-79
 , Driveshaft, 
removing and installing. 
-  Fill transfer housing with gear oil and check oil level   page 39
-40
 .
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ge 15 of 29 Center differential, servicin
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11/20/2002 htt
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Page 20 of 29
39-64
      
Installing  
      Installation is reverse of removal, noting the 
following:  
    
Tightening torques   -  Drive O-ring in to stop using 3402 pressure piece.
-  Secure output flange with socket-head bolt. 
-  Bolt driveshaft to transmission flange   page 39
-79
 , Driveshaft, 
removing and installing. 
-  Fill transfer housing with gear oil and check oil level   page 39
-40
 .
Component  
Nm  
Socket-head bolt for rear drive flange   25  
Heat shield for driveshaft to transmission   23  
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ge 20 of 29 Center differential, servicin
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11/20/2002 htt
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Page 21 of 29
39-65
      
Seal in intermediate flange for front final 
drive, replacing
 
     
Note:  
    
An inspection opening is provided on the left side of the intermediate 
flange to check for oil leaks (arrow) for the seal in drive pinion and the 
seal in intermediate flange. 
If oil escapes at this inspection opening, this double seal must be 
replaced. 
Special tools and equipment  
    
3404 thrust piece
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ge 21 of 29 Center differential, servicin
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11/20/2002 htt
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Page 23 of 29
39-67
      
Seal in drive pinion, replacing
 
     
Note:  
    
An inspection opening is provided on the left side of the intermediate 
flange to check for oil leaks (arrow) for the seal in drive pinion and the 
seal in intermediate flange. 
If oil escapes at this inspection opening, this seal must be replaced. 
Special tools and equipment  
    
Removing  
3403 thrust piece
-  Remove center differential   page 39
-56
 .
-  Remove intermediate flange for front final drive.
-  Carefully pull off drive pinion from driveshaft.
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ge 23 of 29 Center differential, servicin
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11/20/2002 htt
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e=re
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