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Differential, Adjusting: Notes

Special tools and workshop equipment required 

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

Adjustment overview, refer to ADJUSTMENT OVERVIEW .

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

Fig 1: Identifying Outer Race/Tapered Roller Bearing Pressed Into Clutch Housing
GWWN39-0734Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:

Pay attention to the shim installed position.

The collar on the inner circumference faces the seal.

-- 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
GWWN39-0727Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Insert the differential into the clutch housing.

-- Position the transmission housing and tighten the 5 bolts to specification, see item 10 ("Bolt") under TRANSMISSION HOUSING AND SHIFT UNIT .

-- Press the differential in the direction of the clutch housing and rotate it 8 times at the same time.

-- Press the differential in the direction of the transmission housing and rotate it 8 times at the same time.

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

Fig 3: Identifying Dial Gauge
GWWN39-0759Courtesy of VOLKSWAGEN UNITED STATES, 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).