torque AUDI A4 1996 B5 / 1.G AWM Engine Exhaust System Components Workshop Manual
Page 26 of 41
26-26
      
Tightening torques  
     
Component  
Nm  
Exhaust manifold to cylinder head   30  
Turbocharger to exhaust manifold  
35 
1)
2)  
Turbocharger bracket to cylinder block     
25  
Turbocharger bracket to turbocharger     
30  
Oil feed line to cylinder head   23  
Line of crankcase vent to cylinder 
head    
10  
Hose clamps for air duct hoses     
3.5  
     
1) Replace bolts  
     2) Coat thread and head attachment area with 
high temperature lubricant "G 052 112 A3"  
Pa
ge 26 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1 
Page 31 of 41
26-31
      
Installing  
      Installation is carried out in the reverse order of 
removal; note the following:  
     
Note:  
     Always replace seals, gaskets and self-locking 
nuts. 
     
-  Grease threads of oxygen sensors with high 
temperature lubricant G 052 112 A3. Apply 
lubricant only to threads of sensors; the lubricant 
must not get into the slots on the sensor body. 
     
-  Align exhaust system stress-free   Page 26
-34
 
or  Page 26
-37
 . 
     
Tightening torques  
     
Components  
Nm  
Oxygen sensor to catalytic converter   55  
Catalytic converter to exhaust turbocharger   30  
Front exhaust pipe to catalytic converter   25  
Front exhaust pipe to mountings on 
transmission  25  
Heat shield to transmission   23  
Hose clamps for air duct hoses     
Pa
ge 31 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1 
Page 34 of 41
26-33
      
Note:  
     The flexible connection in the front exhaust pipe 
must not be deflected more than 10  or it may 
be damaged. 
    
Installing  
Installation is carried out in the reverse order of removal; note the 
following:  
Note:  
Always replace seals, gaskets and self-locking nuts. 
Tightening torques   -  Separate exhaust system at clamp -arrows-.
-  Loosen bolted connection of front exhaust pipe/catalytic converter 
accessible from below. 
-  Remove front exhaust pipe.
-  Align exhaust system stress-free   Page 26
-34
 or   Page 26
-37
 .
Components  
Nm  
Front exhaust pipe to catalytic converter   25  
Crosspiece for underbody to body   20  
Heat shield to transmission   23  
Pa
ge 34 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1