engine AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/988/w960_988-0.png AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual

Page 1 of 33

AUDI A4 1997 B5 / 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 7 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-8
      
Ribbed belt, removing and installing
 
     
Lock carrier in service position   page 13
-1 
     
CAUTION! 
     
Before removing ribbed belt, note direction of 
rotation with chalk or fel

Page 9 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-10
      
Installing  
    
Note:  
Observe previously marked direction of rotation of belt and that it is 
seated correctly on the pulley. 
Routing of ribbed belt:  -  First install ribbed belt on

Page 11 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-12
      
Toothed belt, removing and installing
 
     
Removing  
    
-  Remove engine cover. 
    
Ribbed belt, removing and installing   page 13
-8 .   -  Remove noise insulation panel (arrows)

Page 12 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-13
 
    
-  Turn crankshaft at central bolt of toothed belt gear in direction of 
engine rotation to cyl. 1 TDC. Timing marks -A- and -B- must be 
aligned. 
    
WARNING! 
DO NOT turn crankshaft w

Page 16 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service Manual 13-17
 
    
1) Always replace the center bolt.  2) Two turns of 90  are permissible.   -  Using 8 mm hex wrench, turn toothed belt tensioner roller -1- counter-
clockwise, opposite direction shown (a

Page 21 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service 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 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service 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 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service 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 27 of 33

AUDI A4 1997 B5 / 1.G AHA ATQ Engines Cylinder Block Crankshaft And Flywheel Component Service 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.
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