AUDI A4 1997 B5 / 1.G 01A Transmission Input Shaft Assembly User Guide
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Fig. 9  Driving in roller sleeve
    
Fig. 10  Pressing off 5th gear
-  Remove circlip before pressing off.
A- Separating device 22-115 mm (0.866-4.527 in.), e.g. Kukko 17/2 
separating tool
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Fig. 11  Pressing off synchronizer hub for 3rd and 4th gears
-  Remove circlip before pressing off.
-  Press 3rd gear synchronizer ring (arrow) toward 3rd gear and install 
separating device -A-. 
A- Separating device 22-115 mm (0.866-4.527 in.), e.g. Kukko 17/2 
separating tool
    
The bent end of the spring (arrow) must be hooked into the hole of the 
gear.  Fig. 12  Inserting spring in gear
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The calculated gap must not be less than 0.5 mm (0.019 in.).  Fig. 13  Checking synchronizer-ring for wear
-  Press synchronizer-ring into operating sleeve and measure gap -a- 
using feeler gauge at positions -A-, -B- and -C-. 
-  Add measured values and divide by 3 to calculate average.
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Fig. 14  Allocation of circlips
The circlips -1- and -2- secure the input shaft ball bearing.
 Determining thickness   Page 35
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 , input shaft, adjusting
The circlip -3- secures the 3rd and 4th gear synchronizer hub.
  Thickness: 2.00 mm (0.078 in.)
  Identification: brown color
The circlip -4- secures the 3rd and 4th gear synchronizer hub.
 Determining thickness   Page 35
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 , table
  Identification: blue color
The circlip -5- secures the 5th gear.
 Determining thickness   Page 35
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 , table
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The following circlips are available for synchronizer hub for 3rd and 
4th gear  
The following circlips are available for 5th gear   Fig. 15  Determining thickness of circlip
-  Determine thickest circlip which can still just be installed and install it.
-  Determine circlip according to table. Part number   parts catalogCirclip thickness (mm)  
1.90   1.96   2.02  
1.93   1.99   2.05  Circlip thickness (mm)  
1.90   1.96   2.02  
1.93   1.99     
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Fig. 16  Pressing on synchronizer hub for 3rd and 4th gears
    
Operating sleeves with chamfer -A- as well as operating sleeves with a 
large offset -B- are installed.  
Installed position:  Fig. 17  Allocation of operating sleeve
The chamfer (arrow -1-) faces 4th gearThe small stepped side (arrow -2-) faces 3rd gearThe large stepped side (arrow -3-) faces 4th gear
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WARNING! 
Wear protective gloves. 
Allocation: wider collar faces reverse gear.  Fig. 18  Pressing on 5th gear
- 
Heat 5th gear to approx. 100 C (212 F) before pressing on.
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