AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/969/w960_969-0.png AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online
Trending: sensor, check engine, belt, fuel, clock, ignition, oil

Page 81 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-80
      
-  Install drive chain on camshaft sprockets as 
follows: 
    
 
When the old chain is being used again, install the chain so that 
the paint markings (arrow) are in line. 
    
 
When a

Page 82 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-81
      
Notes:  
     
The dowel sleeves for the bearing caps and 
camshaft adjuster must be in the cylinder head. 
     Install the bearing caps so that the markings on 
the bearing caps can be

Page 83 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-82
      
-  Check correct setting of camshafts:
    
 
The two markings on the camshafts must be in line with the two 
arrows on the bearing caps -arrows-. 
    
 
The distance between the two arr

Page 84 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-83
 
    
-  Prepare shaded areas on double bearing cap -1- and bearing cap -7-.
    
   .... by applying a thin coat of sealant D 454 300 A2 and install bearing 
caps (watch position of dowel slee

Page 85 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-84
      
Notes:  
     
When new lifters have been installed the engine 
must not be started for about 30 minutes. The 
hydraulic compensation elements must settle 
(otherwise valves will strike p

Page 86 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-85
      
-  Install cylinder head covers   Page 15
-22
 .
     
-  Install toothed belt   Page 13
-4 .
     
- Install ribbed belt   Page 13
-1 .
     
Tightening torques  
     
Component  
  
Nm

Page 87 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-86
      
Camshaft axial clearance, checking
 
     
- Remove camshafts   Page 15
-75
 .
     
- Remove lifters.
     
-  Install camshafts in cylinder head without drive 
chain and secure by tight

Page 88 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-87
 
    
Valve dimensions, checking
 
Note:  
Valves must not be reworked. Only grinding-in (lapping) is permitted. 
WARNING! 
Worn sodium-cooled exhaust valves must be treated as follows 
before

Page 89 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-88
      
Hydraulic lifters, checking
 
     
Notes:  
     
Replace malfunctioning lifters completely (lifters 
cannot be adjusted or repaired). 
     When new lifters have been installed the engi

Page 90 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Manual Online 15-89
      
-  Measure clearance between cam and lifter. 
    
Note:  
If irregular valve noise occurs repeatedly during short journeys and 
disappears after extended driving, the oil check valves mu
Trending: check engine, ECU, sensor, belt, oil, fuel, clock