AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual https://www.carmanualsonline.info/img/6/995/w960_995-0.png AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual

Page 1 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-1
 
     
Valve gear, servicing 
     
WARNING! 
     
Do not re-use any fasteners that are worn or 
deformed in normal use. 
     Some fasteners are designed to be used only 
once, and are unrelia

Page 2 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-2
      
Notes:  
     
Cylinder heads with small cracks between the 
valve seats that are less than 0.3 mm (0.012 
in.) wide and/or between one valve seat and 
only the first four threads of the s

Page 3 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-3
 
  
Cylinder head without oil lines to camshaft 
bearings
 
1 - 
Double bearing cap 
Lightly coat with sealant 454 300 02 A2 
before installing   page 15
-36
 
2 - 
Bolt 
10 Nm (7ft lb)
3 - 
Exh

Page 4 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-4
 
  
5 - 
Cap 
Always replace
6 - 
Intake camshaft bearing cap Note installation position and numbering   
page 15
-36
 
7 - 
Intake camshaft 
Checking axial clearance   page 15
-42
Removing and

Page 5 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-5
 
  
11 - 
Hydraulic valve lifter (intake) 
Notes  page 15
-45
12 - 
Valve keepers 
13 - 
Valve spring retainer 
14 - 
Valve spring 
15 - 
Valve stem oil seal 
Replacing with cylinder head instal

Page 6 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual Replacing  page 15
-14
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Page 7 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-6
 
  
22 - 
Shutter wheel for Camshaft Position 
(CMP) sensor -G40- 
Note position (notch on camshaft)
23 - 
Washer Conical
24 - 
Bolt 25 Nm (18 ft lb)
25 - 
Camshaft Position (CMP) sensor -G40-

Page 8 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-7
 
  
Cylinder head with oil lines to camshaft 
bearings
 
1 - 
Double bearing cap 
Lightly coat with 454 300 02 A2 sealant 
before installing   page 15
-17
 
2 - 
Exhaust camshaft bearing cap 
Wi

Page 9 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-8
 
  
5 - 
Exhaust camshaft 
Checking axial clearance   page 15
-42
Removing and installing   page 15
-31
  
Check radial clearance using Plastigage  
(hydraulic valve lifters removed): 
Wear limi

Page 10 of 62

AUDI A6 1995 C5 / 2.G AHA ATQ Engines Valve Gear Service Manual 15-9
 
  
9 - 
Intake camshaft 
Checking axial clearance   page 15
-42
Removing and installing   page 15
-31
  
Check radial clearance using Plastigage  
(hydraulic valve lifters removed): 
Wear limit
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