Input Shaft, Adjusting: Notes

(Choosing the adjusting shim for the input shaft)

Special tools and workshop equipment required 

• Dial Gauge HolderVW 387
• Magnetic Plate 50 mm Dia.VW 385/17
• Thrust PadVW 510
• Thrust PadVW 447 i
• PunchVW 407
• Torque Wrench (5-50 Nm)V.A.G 1331
• Dial Gauge

A new input shaft adjustment is required when the following components have been replaced:

• Transmission housing
• Clutch housing
• Input shaft
• 4th gear

or the

• Tapered roller bearing

Adjustment overview, refer to ADJUSTMENT OVERVIEW .

Requirement:

• Remove any sealant still on the sealing surfaces on the clutch and transmission housings.

-- Press the taper roller bearing outer race into the clutch housing all the way.

Fig 1: Pressing In Tapered Roller Bearing Outer Race

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the outer race/tapered roller bearing all the way into the transmission housing without the adjusting shim.

Fig 2: Pressing In Tapered Roller Bearing Outer Race

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the input shaft into the clutch housing and mount the transmission housing. Tighten the bolts to 25 Nm + a 90° (1/4) additional turn.

-- Install the measuring device and the dial gauge in the clutch housing.

Fig 3: Identifying Special Tools VW387, VW353 & VW385-17

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Rotate the input shaft before measuring so the tapered roller bearing settles. Set the dial gauge with 1 mm preload to "0".

-- Press the input shaft toward the dial gauge in the -direction of the arrow-.

Fig 4: Identifying Special Tools VW387, VW353 & VW385-17

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Read and make note of the play on the dial gauge (example: 1.21 mm).