warning AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/958/w960_958-0.png AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual

Page 6 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual 21-5
      
Turbocharger and wastegate, checking
 
      If special testing equipment is required during 
test drive, heed the following WARNING:  
     
WARNING! 
     
When driving or riding in an a

Page 8 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual 21-7
 
    
Note: 
WARNING!  -  Turn turbocharger tester on and select measuring range -I- (absolute 
pressure). 
-  Connect test hose to connection flange -I-.
Hoses must be connected so there is no

Page 11 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual 21-10
      
Charge air pressure control (via load 
signal), checking
 
     
WARNING! 
     
Always use a second technician to take 
measurements via the VAG1397A 
turbocharger tester when test-drivi

Page 18 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual The shop air supply line will later be attached to the inlet of VAG 1687.  -  Close valve -3- before gauge.
-  Close valve -4- after gauge.
-  Remove female fitting from tester (arrow) and install an

Page 19 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual 21-15
      
WARNING! 
     
Use only approved air fittings to adapt shop 
air supply line to VAG 1687 tester. 
     
Special tool VAG 1687/1 pressure adapter, 
installing (1.8L Turbo)  
     
-  Sepa

Page 39 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual 21-30
      
Turbocharger, removing and installing
 
     
Note:  
     Replace gaskets and self-locking nuts. 
     
Removing  
    
WARNING! 
Do NOT open A/C refrigerant circuit.  -  Remove noise in

Page 45 of 50

AUDI A4 2000 B5 / 1.G AEB ATW Engines Turbocharger System Workshop Manual 21-33
      
Note:  
     Add oil to turbocharger through oil supply line 
connection flange. 
     
-  Fill up coolant   Page 19
-4 .
     
WARNING! 
     
The cooling system is pressurized when the