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

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

Page 1 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-44
 
     
Charge pressure system with 
exhaust turbocharger, 
servicing 
     
Rules for cleanliness
 
      When working on the exhaust gas turbocharger, 
pay careful attention to the following 5

Page 2 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-45
 
  
Turbocharger, removing and installing - 
Overview
 
Part I  
 Parts Catalog    1 - 
30 Nm 
Only use original bolt
2 - 
Gasket 
Always replace
3 - 
Catalytic converter 
4 - 
30 Nm Always rep

Page 3 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-46
 
  
7 - 
Oil supply line 
Tighten union nut to 23 NmFrom oil filter bracket   -Item 24 -,   Page 17
-10
 
8 - 
3.5 Nm 
9 - 
Heat shield 
10 - 
23 Nm 
11 - 
Exhaust manifold 
Removing and instal

Page 4 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-47
 
  
14 - 
Banjo bolt - 30 Nm 
15 - 
Gasket 
Always replaceNote installation position
16 - 
Coolant return line Tighten union nut to 30 Nm
17 - 
30 Nm Always replace
18 - 
Gasket Always replaceN

Page 5 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-48
 
  
22 - 
10 Nm 
Apply D 000 600 when installing
23 - 
Gasket Always replace
24 - 
Oil return line To oil pan
25 - 
Gasket Always replace
26 - 
10 Nm 
27 - 
10 Nm 
28 - 
Turbocharger Checking

Page 6 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-49
 
  
Part II  
1 - 
Vacuum hose 
To Recirculatiing valve for turbocharger -
N249- 
2 - 
Recirculating valve Checking  Page 21
-24
3 - 
Hose 
To recirculating valve
4 - 
Air duct hose To connecti

Page 7 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-50
 
  
8 - 
Hose 
To crankcase breather line
9 - 
Pressure regulating valve For crankcase breather
10 - 
Hose To turbocharger
11 - 
Hose To vacuum unit for charge pressure 
regulating valve 
12 -

Page 8 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-51
      
Turbocharger, removing and installing
 
     
Special tools and equipment  
    
Removing  
Hose clamps 3094
    
-  Remove sound insulation -arrows-.
Pa
ge 8 of 22 Char
ge pressure s
yst

Page 9 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-52
 
    
CAUTION! 
The air conditioner refrigerant circuit must not be opened.  -  Loosen bolts securing ribbed belt tensioning roller for A/C compressor -
arrows-. Loosen belt and remove. 
-  Dis

Page 10 of 22

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure System With Exhaust Turbocharger Workshop Manual 21-53
 
    
-  Remove engine cover -arrows-.
    
-  Remove air filter cover -arrow-.
Pa
ge 10 of 22 Char
ge pressure s
ystem with exhaust turbochar
ger, servicin
g
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