AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owner's Manual

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owner's Manual A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/951/w960_951-0.png AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owner's Manual
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Page 21 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-16
      
All-wheel-drive vehicles 
    
-  Using VAG1523 saw, cut exhaust pipe at separating point (arrow) at 
right angle. 
-  When installing, center double clamp over separating point.

Page 22 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-17
      
Exhaust manifold, removing and 
installing
 
     
Removing  
     
Note:  
     
Replace gaskets and self-locking nuts.
     Flexpipe in front exhaust pipe must not be bent 
more than 10

Page 23 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-18
 
    
-  Remove noise insulation panel (arrows).
    
-  Unthread bolts -1- and -2- several turns.
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Page 24 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-19
      
-  Remove engine covers. 
    
-  Unbolt crankcase ventilation hose -1- at cylinder head cover and heat 
shield. 
-  Unbolt both oil supply line bolts -2-.
-  Remove heat shield -3-. 
- R

Page 25 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-20
      
Installing  
      Installation is the reverse of removal, noting the 
following:  
     
-  Install in sequential order as follows:
     
 
Exhaust manifold to cylinder head
     
 Turbo

Page 26 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual lb)  
Crankcase ventilation line to 
cylinder head  10 Nm (7 ft 
lb)  
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?act

Page 27 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-21
      
Three Way Catalytic Converter (TWC), 
removing and installing
 
     
Removing  
     
Note:  
     
Replace gaskets and self-locking nuts.
     Flexpipe in front exhaust pipe must not be

Page 28 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual Coolant hoses -1- and -3- remain connected. 
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p://127.0.0.1:8080/audi/servlet/Dis
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Page 29 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-22
      
-  Remove air guide duct between cowl and air 
cleaner housing. 
     
-  Remove air cleaner housing cover.
    
-  Remove the following lines/harness connectors:
1 - At wastegate bypass

Page 30 of 35

AUDI A4 1997 B5 / 1.G AEB ATW Engines Exhaust System Components Owners Manual 26-23
      
Installing  
      Installation is the reverse of removal, noting the 
following:  
     
 
Only grease threads of oxygen sensor with 
"G 052 112 A3." Do NOT allow grease to get 
into slo
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