Transmission, Removing, Vehicles With 8-Cylinder Gasoline Engine: Removing

WARNING: This page is about a different car, the 2015 Audi S7, 2014 Audi S7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Battery

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-- Position the front wheels so they are straight.

-- Turn off the ignition and remove the key.

CAUTION:

Risk of damaging electronic components when disconnecting the battery.

Complete the steps for disconnecting the battery.

-- Disconnect the battery ground cable -2-, refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Remove the engine cover -arrows-.

Fig 2: Remove Engine Cover

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-- Remove the fan shroud, refer to FOR ENGINE(S) CTUA & CGXB - FAN SHROUD, REMOVING AND INSTALLING , FOR ENGINE(S) CPNB - FAN SHROUD, REMOVING AND INSTALLING or FOR ENGINE(S) CEUC & CRDB - FAN SHROUD, REMOVING AND INSTALLING .

Fig 3: Identifying Fan Shroud

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-- Remove the front wheels, refer to WHEELS AND TIRES .

-- Remove left and right drive axle cover -1- in the wheel housing, refer to DRIVE AXLE, REMOVING AND INSTALLING .

Fig 4: Identifying Noise Insulation

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-- Remove the noise insulations -1- and -2-, refer to NOISE INSULATION, REMOVING AND INSTALLING .

Fig 5: Identifying Rear Noise Insulation

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-- Remove the catalytic converters, refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .

Fig 6: Identifying Nuts

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-- Remove the right coolant pipe on the transmission, refer to FOR ENGINE(S) CTUA & CGXB - RIGHT COOLANT PIPE ON TRANSMISSION, REMOVING AND INSTALLING , FOR ENGINE(S) CEUC & CRDB - RIGHT COOLANT PIPE ON TRANSMISSION, REMOVING AND INSTALLING or FOR ENGINE(S) CPNB - COOLANT PIPES, REMOVING AND INSTALLING .

Fig 7: Identifying Bolts

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-- Remove the bolts -2 through 5- connecting the engine to transmission. They are accessible from above.

Fig 8: Checking If Alignment Sleeves For Centering Engine/Transmission Are In Cylinder Block

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NOTE: Ignore -item A-.

-- Move the tower brace into its installed position and then tighten the bolts hand-tight.

Fig 9: Identifying Tensioning Strap T10038

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-- Secure the engine with the Tensioning Strap T10038 as shown.

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

Fig 10: Locating Subframe Crossbrace

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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 left heat shield -1-.

Fig 11: Identifying Subframe Heat Shield Bolts

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-- Remove the bolts -arrows- and then remove the heat shield from the right drive axle.

Fig 12: Drive Axle Heat Shield - Tightening Specification

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-- Remove the bolts -arrows- and the left drive axle heat shield.

Fig 13: Identifying Bolts And Left Drive Axle Heat Shield

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-- Remove the left and right drive axles from the transmission flange shafts, refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Remove the driveshaft, refer to REMOVAL AND INSTALLATION or REMOVAL AND INSTALLATION .

-- Remove the nuts -1- and bolt -2- and then remove the heat shield.

Fig 14: Heat Shield, Tightening Specifications

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Fig 15: Disconnecting Connector On Transmission

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CAUTION:

There is a risk of destroying the transmission control module (Mechatronic) with static discharge.

Always "discharge" the static electricity before working with electric connectors. Do this by touching a grounded object, for example vehicle ground, the vehicle or the hoist.
Do not touch contacts in transmission connector with hands.

-- Turn the twist lock counter-clockwise -arrow- and disconnect the connector from the transmission.

-- Free up the wiring harness on the transmission.

-- Disconnect the connector -arrow- for the Transmission Fluid Temperature Sensor 2 -G754-.

Fig 16: Identifying Connector

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-- Remove the steering intermediate shaft from the steering gear and the push the splines together, refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

Fig 17: Identifying Steering Intermediate Shaft Bolt

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-- Remove the bolts -arrows- and press the ATF cooler to the side.

Fig 18: Identifying Bolts And ATF Cooler

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NOTE: Ignore -item 1-.

-- Loosen the clamp -1- and remove the coolant hose.

Fig 19: Transmission Coolant Valve -N488-

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NOTE: Ignore -item 2-.

-- Loosen the retainer -arrow-, push the release downward and disconnect the connector -2- from the Power Steering Control Module -J500-.

Fig 20: Identifying Connector

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-- Disconnect the connector -1- from the Power Steering Control Module -J500-.

-- Remove the bolts -1, 2, 3- from the lower left coolant pipe.

Fig 21: Identifying Hose Clamps

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NOTE: Ignore -arrows-.

-- Remove the lower cover -1- from the transmission -arrow-.

Fig 22: Identifying Transmission Lower Cover

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-- Attach the Crankshaft Turning Tool T40272 to the vibration damper bolts.

Fig 23: Identifying Crankshaft Turning Tool T40272

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The semi-round recess -arrow A- on the Crankshaft Turning Tool T40272 must face the semi-round recess -arrow B- on the vibration damper.

NOTE: Ignore the notch on the Crankshaft Turning Tool T40272.

-- Counterhold the crankshaft with the Crankshaft Turning Tool T40272 and an angled wrench and loosen the drive plate bolts.

NOTE: When mounting, turn the crankshaft only in the direction of engine rotation -arrow-.

-- Remove the six flywheel bolts -arrow- while turning the crankshaft 60° further in the direction of engine rotation.

Fig 24: Identifying Clutch Module First Bolt Installation Location

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-- Remove the starter bolt -1-.

Fig 25: Checking If Alignment Sleeves For Centering Engine/Transmission Are In Cylinder Block

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-- Remove the starter from the transmission and leave it in the installation position.

-- Remove remaining transmission to engine connecting bolts -6 through 10-.

NOTE: Ignore -item A-.

Fig 26: Do Not Set T40173 On ATF Pan

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CAUTION:

Danger of leaks in the ATF pan.

The Gearbox Support T40173 must not be set on the ATF pan.

-- Place the Engine and Gearbox Jack VAS 6031 with the prepared Gearbox Support T40173 on the bottom of the transmission.

The transmission support must be placed at the front as follows:

The bracket -2- fits into the flywheel on the transmission housing on the left side of the transmission.
The transmission mount is positioned on the differential housing on the right side of the transmission. Insert a flat piece of rubber -1- in between to protect the housing.

-- Secure the transmission with a tensioning strap -1-.

Fig 27: Securing Transmission With A Tensioning Strap