Transmission, Removing, 6-Cylinder TDI 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 front wheels, refer to WHEELS AND TIRES .

Fig 2: Identifying Noise Insulation

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-- Remove left and right drive axle cover -1- in the wheel housing, refer to OVERVIEW - NOISE INSULATION .

-- Remove the bolts -arrows- and remove the left heat shield -1-.

Fig 3: Identifying Subframe Heat Shield Bolts

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

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

Fig 4: Identifying Rear Noise Insulation

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-- Remove the particulate filter and the front exhaust pipe, refer to PARTICULATE FILTER, REMOVING AND INSTALLING .

Fig 5: Identifying Nut

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-- Drain the coolant, refer to FOR ENGINE(S) CTUA & CGXB - COOLANT, DRAINING AND FILLING , FOR ENGINE(S) CPNB - COOLANT, DRAINING AND FILLING or FOR ENGINE(S) CEUC & CRDB - COOLANT, DRAINING AND FILLING .

Fig 6: Identifying Clamp

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-- Loosen the clamp -arrow- and remove the coolant hose from the left coolant pipe.

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

Fig 7: 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 8: Identifying Tensioning Strap T10038

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

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

Fig 9: Drive Axle Heat Shield - Tightening Specification

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

Fig 10: 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.

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

Fig 11: 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 12: Identifying Steering Intermediate Shaft Bolt

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

Fig 13: 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.

-- Slide the retainer toward the rear -arrow- and press down the release in order to disconnect the connector -2- for the steering gear.

Fig 14: Identifying Connector

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-- Disconnect the connector -1-.

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

Fig 15: Identifying Bolts

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NOTE: Ignore -items 1, 2 and 3-.

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

Fig 16: Identifying Transmission Lower Cover

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-- Insert the adapter T40058 guide pins as follows:

Fig 17: Identifying Guide Pin And Adapter T40058

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The large diameter -arrow 1- faces the engine.
The small diameter -arrow 2- faces the adapter.

-- Counterhold the crankshaft with the Crankshaft Socket T40058 and an angled wrench and loosen the drive plate bolts.

Fig 18: Identifying TDC With Special Tool Adapter T40058

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

-- Remove the 6 drive plate bolts -arrow- while turning the crankshaft 60° further in the direction of engine rotation.

Fig 19: Identifying Clutch Module First Bolt Installation Location

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-- Disconnect the connector -2-.

Fig 20: Transmission Fluid Cooling Valve -N509- Vehicles With A S Tronic Transmission 0B5 Or An 8-Speed Automatic Transmission 0BK, Tightening Specifications

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-- Remove the bolt -3- and move the Transmission Fluid Cooling Valve -N509- to the side.

NOTE: Ignore -item 1-.

-- Remove the starter bolt -1-.

Fig 21: 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.

NOTE: For the bolt -7- there is a nut with anti-twist mechanism on the engine-side

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

NOTE: Ignore -item A-.

Fig 22: 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 23: Securing Transmission With A Tensioning Strap