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

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 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 Workshop Manual
Trending: clock, oil, ignition, check engine, fuel, belt, sensor

Page 1 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-1
 
     
Valve gear, servicing 
     
Notes:  
     
Cylinder heads which have cracks between the 
valve seats or between valve seat inserts and 
the spark plug thread can be used further 
without

Page 2 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-2
 
  
1 - 
Double bearing cap 
Lightly coat with sealant 454 300 A2 before 
installing from Page  Page 15
-16
 
2 - 
Exhaust camshaft bearing cap 
With connection for oil feed lineWatch position o

Page 3 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-3
 
  
4 - 
Oil line outlet side 
For lubricating bearing capNote installation position   Fig.   3
5 - 
Exhaust camshaft 
Checking axial clearance   Page 15
-86
Removing and installing   Page 15
-7

Page 4 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-4
 
  
7 - 
Oil line, inlet side 
Note installation position   Fig.   2For lubricating bearing cap
8 - 
Inlet camshaft bearing cap With connection for oil feed lineNote installation position and nu

Page 5 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-5
 
  
11 - 
10 Nm 
12 - 
Mechanical camshaft adjuster 
With camshaft adjustment valve -N205Secure with special tool 3366 before 
removing  Page 15
-75
 
13 - 
Hydraulic lifter 
Notes  Page 15
-88

Page 6 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-6
 
  
17 - 
Valve stem seal 
Replacing with cylinder head installed   
Page 15
-90
 
18 - 
Rubber/metal gasket 
Always replace
19 - 
Seal Always replace
20 - 
Cylinder head Checking for distortion

Page 7 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-7
 
  
24 - 
Rotor for Hall sensor 
Note position (notch on camshaft)
25 - 
Washer Conical
26 - 
25 Nm 
27 - 
Hall sensor 
28 - 
10 Nm 
29 - 
30 Nm +180 (1/2 turn) 
30 - 
Camshaft sprocket 
31 - 
O

Page 8 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-8
 
    
Carefully apply a small quantity of sealant D 454 300 A2 at the four end 
points of the sealing surfaces on the cylinder head -arrows-, using a small 
screwdriver.  Fig. 1  Sealing end poi

Page 9 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-9
 
    
When connections are incorrectly allocated, bore holes in the oil line are 
exposed (arrows).  
To mount correctly, turn the oil line 180  and slide connections over bore 
holes.  
CAUTION

Page 10 of 99

AUDI A4 1999 B5 / 1.G APB Engine Valve Gear Service Workshop Manual 15-10
      
Oil seals in cylinder heads, replacing
 
     
Oil seal for camshaft drive (left and right 
cylinder heads)  
     
Note:  
     If the oil seal on one side is leaking it is advisable 
to
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Trending: ignition, belt, sensor, oil, fuel, ECU, check engine