AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/972/w960_972-0.png AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual

Page 21 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-21
      
Crankshaft axial and radial clearance, 
checking
 
    
Orientation of crankshaft bearing caps 
CAUTION! 
Bearing shells must be reinstalled in their original location and 
orientation. A

Page 22 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-22
      
Checking radial clearance  
     
Note:  
     Radial clearance is measured using Plastigage
.      
Plastigage type  
Color  
Measuring range  
PG-1   Green   0.025 - 0.076 mm  
PR-1   R

Page 23 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-23
      
-  Remove crankshaft bearing cap again.
    
- 
Compare width of Plastigage  with measuring scale.   Specifications:
 
New: 0.018-0.045 mm (0.0007-0.0018 in.)
 Wear limit: 0.10 mm (0.0039

Page 24 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-24
 Crankshaft dimensions
 
Reconditioning dimension  
Crankshaft journal   
diameter - mm (in.)  Connecting rod journal   
diameter - mm (in.)  
   maximum size (from nominal)   -0.022 (0.00087)

Page 25 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-25
      
Pistons and piston rings, checking and 
installing
 
     
Note:  
     Before removing the pistons, mark their 
installation positions clearly on the piston crowns 
(as shown in illustra

Page 26 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-26
      
Checking pistons  
    
-  Measure piston approx. 10 mm (0.39 in.) from bottom of skirt, at right 
angle (90 ) to piston pin.    Maximum deviation from nominal dimension: 0.04 mm (0.0016

Page 27 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-27
 
    
-  Remove and install piston rings using ring expander as shown.
    
-  Check piston ring clearance in groove.
 
New: 0.02-0.08 mm (0.001-0.003 in.)
 Wear limit: 0.10 mm (0.004 in.)
Pa
g

Page 28 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-28
 
    
-  Check piston ring gap. 
  -  Push piston ring into lower end of cylinder at right angle until approx. 
15 mm (0.59 in.) from bottom edge. Piston ring  
End gap  
Wear limit  
1   0.35

Page 29 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-29
      
Checking cylinder bore  
     
1 - Approx. 10 mm from top 
     
2 - Center
     
3 - Approx. 10 mm from bottom
     
A - Across cylinder block (perpendicular to 
crankshaft)
     
B - In

Page 30 of 32

AUDI A4 1999 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual 13-30
      
Piston and cylinder dimensions   
     
Reconditioning 
dimension  Piston   
diameter  Cylinder 
bore   
diameter  
Basic dimension   82.48 mm 
  
(3.2472 
in.)  82.51 mm   
(3.2484 in.)
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