AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owner's Manual

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owner's Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/988/w960_988-0.png AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owner's Manual

Page 21 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-22
      
Dual-mass flywheel or driveplate, 
removing and installing, installation 
dimensions
 
     
Dual-mass flywheel  
    
Note:  
A pilot needle bearing is in the dual-mass flywheel and must

Page 22 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-23
      
Driveplate  
     
-  Hold crankshaft in position using 3242 
crankshaft holder   page 13
-12
 . 
     
-  Mark hole pattern of driveplate, shim -1- and 
washer -2- to crankshaft.

Page 23 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-24
 
    
Note:  
Before installing the engine, make sure the engine to transmission 
centering sleeves are installed in the engine flange.  -  Measure distance -a- at three places and calculate av

Page 24 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners 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 25 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-26
      
Radial clearance  
     
- 
Measure radial clearance using Plastigage .     
- Read clearance. 
     
Clearance when new  
Wear limit  
0.018-0.045 mm (0.0007-
0.0018 in.)  0.10 mm (0.003

Page 26 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners 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 27 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-28
 Crankshaft dimensions
 
Engine codes AHA, ATQ  
Reconditioning dimension  
Crankshaft journal diameter mm (in.)  
Connecting rod journal diameter mm (in.)  
   maximum size (from nominal)   -0.

Page 28 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-29
      
Pistons and piston rings
 
     
Pistons  
    
Installation position: arrow on piston crown must point in driving direction.  
CAUTION! 
DO NOT scratch or scribe on piston crown. The sur

Page 29 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners Manual 13-30
      
Piston and cylinder bore dimensions  
     
Reconditioning 
dimension  Piston diameter  
Basic dimension   82.48 mm (3.247 
in.)  
1st oversize   82.74 mm (3.257 
in.)  
    
Checking pis

Page 30 of 33

AUDI A4 1999 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Owners 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.
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