oil AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual A8 1997 D2 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/988/w960_988-0.png AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual

Page 1 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-4
 
  
Cylinder block, crankshaft and 
flywheel, servicing Notes: 
 
Always replace seals and O-rings.
 The engine speed sensor is installed in the 
transmission bellhousing with a spacer washer 
u

Page 2 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-5
 
  
4 - 
Connecting rod bearings 
Do not interchange used bearing shellsConnecting rods, connecting rod bearings 
 page13
-33
 
5 - 
Piston rings 
Checking  page 13
-29
6 - 
Pistons 
Checking  p

Page 4 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-6
 
  
12 - 
Thrust washer 
Measuring crankshaft axial clearance   
page 13
-25
 
Only on 4th crankshaft bearing
13 - 
Special bolt (12-sided) Always replaceDriveplate: 60 Nm (44 ft lb) + additiona

Page 13 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-14
 
    
CAUTION! 
Before removing ribbed belt, note direction of rotation with chalk or 
felt-tip marker. Reversing the direction of rotation of a used belt can 
destroy the belt. When installing

Page 18 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-19
      
-  Remove crankshaft/toothed belt gear.
     
-  Unscrew inner part of 3203 seal puller two turns 
(approx. 3 mm) and secure using knurled bolt. 
    
Installing   -  Grease threaded head

Page 19 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-20
      
Dual-mass flywheel  
     
Notes:  
     
Only replace oil seal with sealing flange.
     Drain coolant before removing sealing flange   
page 19
-11
 . 
      If sealing flange is not av

Page 24 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-25
      
Crankshaft axial and radial clearance, 
measuring
 
     
Axial clearance  
     
CAUTION! 
     
Bearing shells must be reinstalled in their 
original location and orientation. Always la

Page 26 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-27
      
Crankshaft bearing cap, installing
 
    
Bearing -1- is installed on the oil pump side of the cylinder block, and 
bearing -4- on the dual-mass flywheel side of the cylinder block.  
Pa

Page 30 of 33

AUDI A8 1997 D2 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-31
 
    
Checking piston ring end gap  
Engine codes AHA, ATQ   -  Insert ring at right angle from top and slide down into lower cylinder 
opening until approx. 15 mm from lower edge of cylinder.