Shim S3

WARNING: This page is about a different variant/trim than selected.

It is necessary to measure output shaft axial play and determine the proper shim thickness for adjustment of the output shaft when one or more of the following have been replaced:

Clutch housing
Final drive gear and output shaft (ring and pinion)
Tapered roller bearings of output shaft

Adjustment summary, see ADJUSTMENT SUMMARY

Install a 0.65 mm thick adjustment shim and drive outer race of small tapered roller bearing into clutch housing, to stop.

Fig 1: Installing Small Tapered Roller Bearing Into Clutch Housing
Courtesy of VOLKSWAGEN OF AMERICA, INC.
Install output shaft and tighten bolts for bearing cover.
Tightening torque: 25 N.m (18 ft lb) plus an additional 1/4 turn (90°)
Set up dial indicator (3 mm range) and zero gauge with 1 mm preload.
A - Shim, 0.65 mm
Move output shaft up and down and record dial indicator reading (example: 0.30 mm).

Fig 2: Measuring Axial Play Of Output Shaft

Courtesy of VOLKSWAGEN OF AMERICA, INC.

CAUTION: Do not turn the shaft during the measurement as this will cause the bearings to settle, which will result in an incorrect reading.