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Gearbox 0A8 > < Adjusting the differential gear

Fabia Mk1

Adjusting the input shaft
Adjusting the input shaft
Special tools and workshop equipment required
t  Gauge block plate -MP 3-405/17-
t  Universal dial gauge holder -MP 3-447-
t  Thrust piece -MP 3-423-
t  Pressure washer -MP 3-456-
t  Dial gauge extension -T30025/5-
t  Torque wrench (5...50 Nm), e.g. -V.A.G 1331-
t  Dial gauge
The input shaft must be reset if
t  Gearbox housing
t  Torque converter housing
t  Output gear
t  Drive pinion
or
t  Tapered-roller bearing of the input shaft
have been replaced.
Necessary adjusting work when replacing individual components → Chapter.
Requirements
l  Removing the planetary gear from the ATF pump through to the large sun gear → Chapter
l  Removing oil pan and slide valve body → Chapter
Setting
   
–  Press outer ring/tapered-roller bearing without adjusting washer into the torque converter housing.
–  Insert the input shaft in the gearbox housing.
–  Position the converter housing and tighten 8 screws to torque 30 Nm.
  S39-0165
–  Set up the measuring device and dial gauge (3 mm measuring range).
–  Set the dial gauge to “0” with 1 mm bias.
A - Dial gauge extension (100 mm long) -T30025/5-
–  Move input shaft up and down with a screwdriver on the output gear.
–  Read off play on dial gauge and note (example: 1.02 mm).
  Note
Do not turn the input shaft while measuring as otherwise the bearings will settle and the measuring result will be inaccurate.
Determine the adjusting washer
The prescribed bearing preload is reached by adding to the established measured value a constant compression value (0.18 mm).
Example:
  S39-0179
measured value1.02 mm
+ compression (constant value)0.18 mm
= Thickness of the adjusting washer1.20 mm

–  Determine the adjusting washers according to the table → Anchor:
Spare part numbers → Spare Part Catalogue
Table of adjusting washers:
   
Adjusting washers (mm)
0,100,440,72
0,200,480,76
0,240,520,80
0,280,560,84
0,320,600,88
0,360,640,94
0,400,68 

If the measured washer thickness is greater than the one listed in the table, 2 washers corresponding to the measured value may be fitted.
   

Gearbox 0A8 > < Adjusting the differential gear