Volkswagen Workshop Service and Repair Manuals

It is necessary to readjust the pinion shaft when

• ◆ Gearbox housing
• ◆ Torque converter housing
• ◆ Output gear
• ◆ Pinion shaft

or

• ◆ Taper roller bearing

have been replaced.

Adjustment work

Special tools and workshop equipment required

• ◆ VW 387 Universal dial gauge bracket
• ◆ VW 385/37 End measuring plate
• ◆ VW 407 Press tool
• ◆ VW 447 i Thrust plate
• ◆ Dial gauge
• ◆ 2066 Adapter for dial gauge

Conditions:

• ● Dismantle planetary gearbox from ATF pump down to and including large sun-wheel => dismantling planetary gearbox from Page 37-105 .
• ● Remove oil pan and valve chest => dismantling planetary gearbox from Page 37-105

Adjusting:

• ‒ → Pressing taper roller bearing outer race, without shim, into torque converter housing.
• ‒ Fit pinion shaft into gearbox housing.
• ‒ Fit torque converter housing and tighten 8 bolts to 30 Nm.

• ‒ → Fit measuring appliance and D.T.I. (3 mm measuring range).
• ‒ Preload dial gauge to 1 mm and then set to "0"
  A - Dial gauge extension 100 mm from adapter 2066

• ‒ → Move pinion shaft up and down with a screwdriver on output gear.
• ‒ Read off play on dial gauge and note (example 1.02 mm).

when performing measurement, do not turn drive pinion as the bearings will otherwise settle and falsify the result of the measurement.

Determining thickness of shim

The specified bearing preload is obtained by adding a constant figure (0.18 mm) to the reading obtained.

Example:

• ‒ Determine shims according to table:

• Part numbers

=> Parts catalogue

Table of shims:

If the size of shim required is larger than that listed in the table, insert two shims totalling the correct figure.

• ‒ → Remove pinion shaft and pull taper roller bearing outer race out of torque converter housing.

A - Counter support, e.g. Kukko 22/2

B - Internal puller 46...58 mm, e.g. Kukko 21/7

• ‒ Order shim(s) from parts catalogue.
• ‒ Press in taper roller bearing outer race together with the correct shims (in example 1.20 mm).