Differential, Adjusting: Notes

Special Tools And Workshop Equipment Required 

• Transmission Support VW 353
• Magnetic Plate 50 mm Dia. VW 385/17
• Dial Gauge Holder VW 387
• Thrust Plate VW 402
• Punch VW 408 A
• Thrust Pad 3005
• Tube 3259
• Press Tool 3345
• Torque Wrench (5-50 Nm) V.A.G 1331
• Kukko Extractor 46-58 mm 21/7
• Kukko Support 22/2

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

• Transmission housing
• Clutch housing
• Differential housing or
• Differential tapered roller bearing

Adjustment overview, refer to ADJUSTMENT OVERVIEW .

-- Pressing the outer race/tapered roller bearing with shim into clutch housing.

Fig 1: Identifying Outer Race/Tapered Roller Bearing Pressed Into Clutch Housing

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the outer race/tapered roller bearing without the adjustment shim into the transmission housing.

Fig 2: Identifying Tapered Roller Bearing Outer Race Pressed In Transmission Housing

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Insert the differential into the clutch housing.

-- Position the transmission housing and tighten the 5 bolts to specification, see TRANSMISSION HOUSING AND SHIFT UNIT .

-- Push the differential toward the clutch housing and rotate it eight times at the same time.

-- Press the differential in the direction of the transmission housing and rotate it eight times at the same time.

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

Fig 3: Identifying Dial Gauge

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

A -

30 mm dial gauge extension

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