Removing And Installing

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Fig 1: Identifying Noise Insulation

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-- Remove the rear noise insulation -2-. Refer to NOISE INSULATION .

Fig 2: Front Exhaust Pipe Double Clamp

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CAUTION:

Danger of causing damage to the decoupling element inside the front exhaust pipe.

Do not bend decoupling element in front exhaust pipe more than 10°.

-- Disconnect exhaust system at double clamp -arrows-.

-- Remove the bolts -arrows- and remove the driveshaft heat shield (if equipped) for the driveshaft -A-.

Fig 3: Identifying Driveshaft Heat Shield

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-- Counterhold the driveshaft using Counterhold - Kit - Multiple Use T10172 with Counterhold - Kit - Adapter 5 T10172/5 and remove the bolts attaching the driveshaft to the transmission.

Fig 4: Counterholding Driveshaft Using T10172 And T10172/5

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-- Press the driveshaft together with rear final drive; the universal joint is able to slide axially.

-- Secure the driveshaft to the side.

-- Support the transmission using the Engine and Gearbox Jack VAS6931 and the attached Engine/Gearbox Jack - Gearbox Support T10337.

Fig 5: Supporting Transmission With VAG 1383

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WARNING:

There is the risk of an accident.

The Engine and Gearbox Jack VAS6931 may only be used during assembly and must not sit unsupervised under the vehicle.

-- Remove the bolts from the tunnel crossmember -arrows-.

Fig 6: Identifying Tunnel Crossmember And Bolts

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-- Lower the transmission to dimension -a- using the Engine and Gearbox Jack VAS6931.

Fig 7: Engine And Gearbox Jack VAS 6931

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Dimension -a- = maximum 80 mm.

-- Remove the nuts -arrows- and the tunnel crossmember.

Fig 8: Identifying Nuts & Tunnel Crossmember

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-- Place the Used Oil Collection and Extraction Unit SMN372500 under the transmission.

Fig 9: Attaching Center Differential Housing To Transmission Cover Using Bolts

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-- Remove the bolts -A, B- and -arrows-.

NOTE:

Not all versions have the double bolts -B-.

CAUTION:

Danger of damaging the center differential.

Carefully and slowly pull center differential housing -C- off of transmission toward rear. Otherwise the center differential can fall out of the transmission.
A center differential that has fallen out may not be installed. This must be replaced.

-- Carefully remove the center differential housing -6-, the pressure spring -3-, the adjusting shim -4- and the plate spring -5-.

Fig 10: Identifying Differential Housing -6-, Pressure Spring -3-, Adjusting Shim -4- & Plate Spring -5-

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-- Remove the center differential -2- and the gear carrier -1-.

If the gear carrier -1- remains in the center differential housing, proceed as follows:

Fig 11: Center Differential Housing, Proceed As Follows

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CAUTION:

Danger of damaging the sealing surface on the center differential housing.

Use a hammer to hit the housing carefully on several places.

-- Hold the gear carrier -1- by one of the side ribs with pliers and remove it in direction of -arrow A-.

-- Using a Rubber Hammer, tap the housing on alternating sides -B arrows-.

-- Remove the center differential, spring, shim and plate spring from the center differential housing.

Center Differential Housing, Installing

Install in reverse order of removal. Note the following: