Transmission, Removing, 6-Cylinder TDI Engine: Removing

WARNING: This page is about a different car, the 2018 Audi S7, 2017 Audi S7, and 2016 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

-- 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 .

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-- Remove the front wheels. Refer to WHEELS/TIRES/TIRE PRESSURE MONITORING ASSEMBLY .

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

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

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-- Remove the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING FROM REAR FINAL DRIVE .

-- Remove the noise insulations -1- and -2-. Refer to NOISE INSULATION .

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-- Remove the particulate filter and the front exhaust pipe. Refer to EXHAUST PIPES/MUFFLERS for engine(s) CTGE, CWUC] , or EXHAUST PIPES/MUFFLERS [For engine(s) CPNB] , or EXHAUST PIPES/MUFFLERS [For engine(s) CREC, CREH] , or EMISSIONS CONTROL .

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-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING [For engine(s) CTGE, CWUC] , or COOLANT, DRAINING AND FILLING [For engine(s) CPNB , or COOLANT, DRAINING AND FILLING [For engine(s) CREC, CREH] , or COOLING SYSTEM/COOLANT .

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

-- Lift up the clamp -arrow- and remove the right coolant hose.

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

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NOTE:

Ignore -item A-.

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

-- Secure the engine with the :T10038 as illustrated.

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NOTE:

If necessary use the engine eye from cylinder bank 1

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

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-- Remove the left and right drive axles from the transmission flange shafts. Refer to DRIVE AXLE .

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 in direction of -arrow- and disconnect the connector from the transmission.

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

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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 .

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-- Remove the subframe crossbrace. Refer to SUBFRAME .

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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 in direction of -arrow- and press down the release in order to disconnect the connector -2- for the steering gear.

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-- Disconnect the connector -1-.

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

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NOTE:

Ignore -items 1, 2 and 3-.

-- Remove the lower cover -1- from the transmission in direction of -arrow-.

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-- Insert the adapter :T40058 guide pins as follows:

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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 :T40058 and an angled wrench and loosen the drive plate bolts.

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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.

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-- Disconnect the connector -2-.

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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-.

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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-.

CAUTION:

Danger of leaks in the ATF pan.

The :T40173 must not be set on the ATF pan.

-- Place the :VAS6931 with the prepared :T40173 on the bottom of the transmission.

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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-.