Differential, Adjusting: Notes

Special tools and workshop equipment required 

• Dial Gauge Holder VW 387
• Magnetic Plate 50 mm Dia. VW 385/17
• Punch VW 407
• Thrust Pad 30 - 205
• Torque Wrench (5-50 Nm) V.A.G 1331
• Kukko Extractor 46-58 mm21/7
• Kukko Support 22/2
• Dial Gauge

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

• Transmission housing
• Clutch housing
• Differential housing

or the

• Differential tapered roller bearing

Adjustment overview, refer to ADJUSTMENT OVERVIEW .

Perform the following procedure:

-- Press the tapered roller bearing outer race into transmission housing without shim, using 30 - 205, refer to Installing the Outer Race/Tapered Roller Bearing into the Transmission Housing .

-- Press the tapered roller bearing outer race into clutch housing, using 30 - 205, refer to Installing the Outer Race/Tapered Roller Bearing into the Clutch Housing .

-- Insert the differential into the clutch housing.

-- Install the transmission housing and tighten the five bolts to 25 Nm.

-- Install the dial gauge and set it to "0" with a 1 mm preload.

Fig 1: Identifying Special Tools VW 387 & VW 385/17

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Move the differential up and down, read off the play on the dial gauge and note. (example: 0.70 mm).