AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual

AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1116/w960_1116-0.png AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual

Page 1 of 4

AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual 87-185
 
     
Vacuum system, servicing 
     
Fresh/recirculating air flap vacuum unit, 
testing
 
    
Note:  
Removing and installing vacuum unit   page 87
-186
 .  -  Detach hose -C- from two-way

Page 2 of 4

AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual 87-186
      
Fresh/recirculating air flap vacuum unit, 
removing and installing
 
     
-  Remove heater/air conditioner assembly 
complete with instrument panel   page 87
-159
 .
    
Notes:  -  Rem

Page 3 of 4

AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual 87-187
      
Vacuum supply and one-way valve, 
testing
 
    
Notes:  -  Detach hose -B- from two-way valve (N63) and connect vacuum gauge 
VAG1368 (or equivalent) to hose. 
-  Start engine and run a

Page 4 of 4

AUDI A4 1999 B5 / 1.G Vacuum System Servicing Workshop Manual 87-188
      
Vacuum reservoir with one-way valve, 
removing and installing
 
     
-  Remove heater/air conditioner assembly 
complete with instrument panel   page 87
-159
 .
    
Note:  
Testing vac