dimensions AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual

AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual A3 1999 8L / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/960/w960_960-0.png AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual

Page 8 of 51

AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual 15-37
 
  
19 - 
Hydraulic chain tensioner 
Before removing, secure with VAG3366 
chain tensioner bracket Removing and installing   Page 15
-50
Seal contact surfaces between hydraulic 
chain tensioner

Page 9 of 51

AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual 15-38
 
  
23 - 
Intake valve 
Do not reface by grinding; only hand 
lapping is allowed Valve dimensions   Page 15
-39
 , Fig.   1
Checking valve guides   Page 15
-66
Refacing valve seats   Page 15
-7

Page 10 of 51

AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual 15-39
 
    
WARNING!  Fig. 1  Valve dimensions
Valves must not be refaced by cutting or grinding.Only hand lapping is permitted.Dimension  
Intake valve  
Exhaust valve  
Diameter -a-
  mm  
(in.)  2

Page 49 of 51

AUDI A3 1999 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual 15-72
      
Determining maximum allowable refacing 
dimension  
     
-  Insert valve and press tightly against valve 
seat. 
     
Note:  
     If valve is replaced during repair, use new valve 
for