Differential, adjusting: Notes

Special tools, testers and auxiliary items required 

Fig 1: Identifying Special Tools -- Differential, Adjusting (1 Of 2)

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• Engine support adapter VW 353
• Magnetic plate VW 385/17
• Dial gauge holder VW 387
• Pressure plate VW 402

• Punch VW 408 A
• Thrust piece 3005

Special tools, testers and auxiliary items required 

Fig 2: Identifying Special Tools -- Differential, Adjusting (2 Of 2)

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• Line 3259
• Tube for wheel bearing 3345
• Torque wrench V.A.G 1331
• Internal puller 46 to 58 mm 1 - Kukko 21/7
• Support 4 - Kukko 22/2

A new adjustment of the differential is necessary if

• Transmission housing
• Clutch housing
• Differential housing

or the

• Tapered roller bearing for differential

have been replaced.

List of adjustments → Adjustment overview for manual transmission  .

Fig 3: Pressing Tapered Roller Bearing Outer Race Into Clutch Housing

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• Press in outer race/tapered roller bearing with shim (thickness 0.65 mm) into clutch housing.

Fig 4: Pressing Tapered Roller Bearing Outer Race Into Transmission Housing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Pressing outer race/tapered roller bearing without adjustment shim into transmission housing.
• Insert differential into clutch housing.
• Attach transmission housing and tighten 5 bolts to specified torque and.
• Press differential in direction of clutch housing and rotate eight times at same time.

• Press differential in direction of transmission housing and rotate eight times at same time.

Fig 5: Measuring Differential Thickness

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Install dial gauge and set to "0" with 1 mm pre-load.

A - Dial gauge extension 30 mm

• Move differential up and down, read play on dial gauge and note. (Example: 0.70 mm)