AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/945/w960_945-0.png AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide

Page 11 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-47
 
    
Note:  
Intake and exhaust valves must not be reworked. Only lapping in is 
permitted. 
CAUTION!  Fig. 1  Valve dimensionsDimension  
Intake valve  
Exhaust valve  
Diameter -a-   mm   26

Page 12 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-48
      
Camshaft axial clearance, checking
 
     
Special tools and equipment  
    
Universal dial indicator bracket VW 387Dial indicator 
Pa
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gear, servicin
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11/21/2002 htt

Page 13 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-49
      
Test sequence  
      Perform measurement with hydraulic lifters 
removed and with bearing cap at chain sprocket 
end and double bearing cap at camshaft 
sprocket end installed.  
     
-

Page 14 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-50
 
  
Exhaust camshaft oil seal, replacing
 
Special tools and equipment  
 
Oil seal extractor 2085
 Holding tool 3036
 Assembly tool T10071
 Socket head fastener T10092
 Pin T40011
Pa
ge 14 of

Page 15 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-51
      
Removing  
     
Cylinder head installed 
     Lock carrier must be in service position   
Page 13
-1 . 
    
-  Remove engine cover -arrows-.
-  Remove upper toothed belt guard   Page 13

Page 16 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-52
 
    
-  Set crankshaft to markings for TDC of No. 1 cylinder by turning central 
bolt on crankshaft sprocket in direction of rotation -arrows-. 
    
Note:  
Only tension piston of tensioner u

Page 17 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-53
      
-  Loosen camshaft sprocket (counter hold with 
3036). 
     
- Remove camshaft sprocket.
    
-  To guide oil seal extractor, thread securing bolt for camshaft sprocket -
arrow- into cam

Page 18 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-54
      
Installing  
     
Note:  
     Do not oil sealing lip of oil seal. 
    
-  Place guide sleeve T10071/1 onto crankshaft journal.
-  Push sealing ring via guide sleeve onto shaft journal.

Page 19 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-55
 
    
-  Install camshaft sprocket. 
 
Note correct installation position: Narrow web of camshaft sprocket 
faces outward -arrows- and marking for No. 1 is visible from front. 
-  Install secur

Page 20 of 58

AUDI A4 1999 B5 / 1.G AWM Engine Valve Gear Service User Guide 15-56
      
-  Install toothed belt (adjust valve timing)   Page 
13
-44
 . 
     
Note:  
     Observe all instructions on removing and 
installing the toothed belt   Page 13
-40
 . 
     
Tightenin
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