AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/938/w960_938-0.png AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide

Page 11 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-54
 
    
- Remove bolts -arrows-. 
-  Remove air duct -1- and -2-.
    
-  Disconnect wiring connectors as follows:
1 - on ACF valve (in addition, remove ACF valve from air filter housing)
2 - on

Page 12 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-55
 
    
-  Remove secondary air inlet line by disconnecting hoses -arrows- and 
removing bolts -1-. 
-  Remove right-hand heat shield on cylinder head.
-  Remove hose of vacuum unit for wastegate

Page 13 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-56
 
    
Note:  
The isolating element in the exhaust system must not be bent more than 
10 or it may be damaged.  -  Loosen bolts -1- and -3- of oil feed line.
-  Remove oil feed line -5- at exha

Page 14 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-57
      
Installing  
      Installation is carried out in the reverse order of 
removal; note the following:  
     
Note:  
     
All cable ties which are released or cut open 
when removing mus

Page 15 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide valve. 
     
  -  Tighten banjo bolt to 35 Nm and then tighten 
securing bolt of bracket to 10 Nm. 
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Page 16 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-58
      
Note:  
     Fill the exhaust turbocharger with engine oil via 
the oil supply connection. 
     
-  Install ribbed belt for A/C compressor   Page 
13
-20
 . 
     
-  Top up coolant   Pa

Page 17 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 35 
1)
2)  
     
1) Replace bolts  
     2) Coat thread and head attachment area with 
high temperature lubricant G 052 112 A3  
Pa
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Page 18 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-59
      
Component  
Nm  
Turbocharger bracket to cylinder block   25  
Turbocharger bracket to turbocharger   30  
Catalytic converter to exhaust 
turbocharger  30  
Oil return line to turbocharg

Page 19 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-60
 
  
Charge air cooling system components, 
removing and installing
 
Note: 
 Parts Catalog     
Secure all hose connections with the correct 
hose clips (same as original equipment):  Before a

Page 20 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger User Guide 21-61
 
  
4 - 
Air duct hose 
Between intake manifold and charge air 
cooler (intercooler) 
5 - 
O-ring Replace, if damaged
6 - 
Charge Air Pressure sensor -G31- 
7 - 
3 Nm 
8 - 
Rubber grommet 
9 -
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