Center Differential Housing, Installed Transmission And Bolted Driveshaft: Removing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Audi S5, 2014 Audi S5, 2013 Audi S5, 2012 Audi S5, and 2011 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Noise Insulation

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-- Remove the rear noise insulation -2-. Refer to "Underbody Trim" in NOISE INSULATION .

Vehicles with a Single Pipe Exhaust System

Fig 2: Clamping Sleeve Threaded Connections

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CAUTION:

The decoupling element in the front exhaust pipe could be damaged.

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

-- Loosen the bolts -arrows-, slide the sleeve to the rear and tie up the front exhaust pipe to the body.

Vehicles with Dual Pipe Exhaust System

Fig 3: Loosening Bolts Vehicles With Dual Exhaust System

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CAUTION:

Danger of damaging the flex joint in the front muffler.

Do not bend the decoupling element in the front muffler more than 10°.

-- Loosen the clamping sleeve -1 and 2-, slide it to the rear and tie it up to the body.

A5 Cabriolet/Sportback

Fig 4: Identifying Clamping Sleeve

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-- Remove the left and right diagonal braces. Refer to REMOVAL AND INSTALLATION .

All Vehicles

Fig 5: Identifying Subframe Crossbrace

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-- Remove the subframe crossbrace. Refer to SUBFRAME CROSSBRACE, REMOVING AND INSTALLING

CAUTION:

The suspension components could be damaged.

Do not rest the vehicle on its wheels if the subframe mount, the steering gear or the subframe crossbrace are not installed correctly.

-- Remove the bolts -arrows- and remove the driveshaft heat shield -1- (if equipped).

Fig 6: Driveshaft Heat Shield - Tightening Specification

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-- Remove the bolts that connect the driveshaft to the transmission by counter holding them with the T10172 and T10172/5.

Fig 7: 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.

-- Tie the driveshaft to the underbody.

-- Mount the T10337 on the V.A.G 1383 A and attach it to the bottom of the transmission mount.

Fig 8: Mounting T10337 On V.A.G 1383 A And Attach It To Bottom Of Transmission Mount

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-- Lift the transmission slightly using the V.A.G 1383 A.

WARNING:

There is the risk of an accident.

The V.A.G 1383 A may only be used during assembly and must not sit unsupervised under the vehicle.

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

Fig 9: Identifying Bolts & Tunnel Crossmember

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-- Lower the transmission to dimension -a- using the V.A.G 1383 A.

Fig 10: Lowering Transmission

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Dimension -a- = maximum 100 mm.

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

Fig 11: Identifying Nuts And Tunnel Crossmember

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-- Place the V.A.G 1782 under the transmission.

Fig 12: Tightening Sequence, Center Differential Housing - Bolted Driveshaft

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-- Remove the bolts -1 through 4- and carefully remove the center differential housing. The transmission fluid, Manual Transmission Fluid (MTF) will leak out while doing this.

CAUTION:

Danger of damaging the center differential.

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

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

Fig 13: Holding Gear Carrier -1- By One Of Side Ribs With Pliers And Remove It In Direction Of -Arrow A-

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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 -arrow A-.

-- Using a rubber hammer, tap the housing on alternating sides -arrows B-.