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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-- Remove the driveshaft. Refer to OVERVIEW - DRIVESHAFT, MOUNTED ON TRANSMISSION SIDE or OVERVIEW - DRIVESHAFT, BOLTS ON TRANSMISSION SIDE . For Sport Differential, refer to OVERVIEW - DRIVESHAFT BOLTED ON TRANSMISSION SIDE, AUDI A4 AND A5 or OVERVIEW - DRIVESHAFT, MOUNTED ON TRANSMISSION SIDE .

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

Fig 4: 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 5: Identifying Tunnel Crossmember And Bolts

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

Fig 6: Engine And Gearbox Jack VAS 6931

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Dimension -a- = maximum 80 mm.

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

Fig 7: Identifying Nuts & Tunnel Crossmember

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

Fig 8: Locating Center Differential Housing Bolts

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-- Remove bolts -1 to 4-.

CAUTION:

Danger of damaging the center differential.

Carefully and slowly pull center differential housing 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.

-- Carefully remove the center differential housing -1-, while doing so the transmission fluid flows out.

Fig 9: Center Differential

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-- Remove the guide sleeve -4-, spring -3- center differential -2-.

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

Fig 10: 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, guide sleeve and the spring from the center differential housing.

Center Differential Housing, Installing

Install in reverse order of removal. Note the following: