Transmission, Removing

WARNING: This page is about a different car, the 2024 Audi S7, 2024 Audi RS 7 Sportback, 2023 Audi S7, and 2023 Audi RS 7 Sportback. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Hose Clamps - Up To 25 mm:3094
Torque Wrench 1332 Insert - Ring Wrench - 16mm:VAG1332/14
Hose Clip Pliers:VAS6362
Engine and Gearbox Jack:VAS6931
Tensioning Strap:T10038
Gearbox Support:T40173
Wrench - 21mm:T40263
Adapter:T40314
Strut:T40335

Gearbox Support:T40173 , Preparing:

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-- The bracket -arrow- must be turned so that the longer side faces upward, as shown.

Procedure

-- Position the front wheels so they are in the straight-ahead position.

-- Switch the ignition off.

-- Activate the 48 volt electrical system and disconnect the battery. Refer to BATTERY A, DISCONNECTING AND CONNECTING, VEHICLES WITH HIGH-VOLTAGE SYSTEM, (0K3) .

-- Remove the front exhaust pipe with the slip catalyst. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .

-- Remove the emissions control module. Refer to approrpriate Service Information .

-- Remove the bolts -arrows-.

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-- Loosen the screw-type clamp -1-, and remove the EGR pipe -2-.

-- Disconnect the connector -1-.

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-- Remove the screw -2- and free up the Differential Pressure Sensor 2 -G524-.

-- Disconnect the connectors and free up the wires:

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After-Run Coolant Pump -V51-
EGR Motor 2 -V339-

-- Remove the rear coolant pipes. Refer to COOLANT PIPES, REMOVING AND INSTALLING .

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

Fig 1: Engine to Transmission Bolts And Alignment Sleeves -A-

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-- Install the tower brace. Refer to TOWER BRACE, REMOVING AND INSTALLING .

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

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-- Remove the front wheels. Refer to WHEELS AND TIRES .

-- Remove the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING .

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

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

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

-- Remove the ATF cooler. Refer to ATF COOLER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows- and free up the parking lock emergency release cable -1-.

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

Fig 2: Identifying Clamp

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-- Remove the left and right drive axle cover. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

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

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Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of damaging the engine by the timing mechanism skipping.

- Turn the engine only in the direction of engine rotation.

-- Turn the crankshaft an additional 60° turn in the direction of engine rotation -arrow-.

-- Remove the six bolts -arrow- for the torque converter -1-.

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-- Remove the right drive axle heat shield. Refer to DRIVE AXLE HEAT SHIELD, REMOVING AND INSTALLING .

-- Remove the left and right drive axle from the transmission flange shaft. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Disconnect the connector -2- for the Transmission Fluid Auxiliary Hydraulic Pump 1 -V475- on the right side of the transmission and free up the wire.

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-- Disconnect the connector -2-.

Fig 3: Transmission Fluid Cooling Valve -N509- Component Location

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-- Loosen the right hose clamp -1-, disconnect the coolant hose and remove the Transmission Fluid Cooling Valve -N509- with the bracket.

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CAUTION:

Risk of destroying due to electrostatic charge.

- Do not touch the connector terminals.

- Touch a grounded object (for example the hoist) and discharge any static electricity.

-- Turn the twist lock counter-clockwise in direction of -arrow- and disconnect the connector -1- from the transmission.

-- Free up the wiring harness.

-- Remove the bolts -6 through 11- that connect the transmission to the engine.

Fig 4: Engine to Transmission Bolts And Alignment Sleeves -A-

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Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Danger of causing damage to transmission components from improper handling.

- Never place the transmission jack on the transmission fluid pan.

-- Place the :T40173 on the :VAS6931 with the mounting blocks under the transmission as shown.

Mount the front bracket on the left transmission side behind the opening for the torque converter on the transmission housing.
Place on the right transmission side on the front mounting block on the front final drive.

-- Secure the transmission with the tensioning strap -1- from the engine and transmission.

Tip:

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For clarity, the :T40173 is not illustrated.

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

-- Remove the last bolt connecting the starter to the transmission gradually, and push the transmission farther away from the engine at the same time.

-- Lower the transmission carefully using the :VAS6931 , and pay attention to the wires and the SCR line while lowering.