seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Adjusting differential > < Adjusting drive pinion
Automatic gearbox 099 four-wheel drive
Adjusting front final drive -Overview-
Adjusting input gear
 
W00-0428

Special tools and workshop equipment required

  • ◆ V.A.G 1332 Torque wrench

 
W00-0511
  • ◆ VW 382/7 Measuring device
 
V39-1406

Conditions:

  • ‒ → Tighten socket head fastener to 100 Nm without dished washer and without shim.
  • A - Torque wrench
    B - 22 mm socket
  • The parking lock must be engaged.
  • ‒ Remove socket head fastener.

 
V39-1407
  • ‒ → Measure distance between input gear and taper roller bearing inner race.
  • ‒ Insert dial gauge and zero with a preload of 3 mm. Note reading (example 1.00 mm).
  • The thickness of the dished washer 1.50 mm must be added to the reading of = 2.50 mm.

Determining shim

The specified bearing preload is achieved if the bearing preload of 0.18 mm is deducted from the figure obtained from the measurement (dished washer + reading) of 2.50 mm.

Example:

Dished washer + reading

2.50 mm

- Bearing preload

0.18 mm

= Thickness of shim

2.32 mm

  • ‒ Determine shim on the basis of the table and fit onto drive shaft. Table of shims
    .
  • ‒ Insert axial needle bearing and tighten socket head fastener including dished washer to 250 Nm.

Insert axial needle bearing for input shaft before tightening socket head fastener. Installation position => Removing and installing input gear, Page 39-30.

Adjusting differential > < Adjusting drive pinion