Transmission, Installing

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

All the special tools listed for the removal.
Clutch Module Transportation Lock:T40170
Cleaning Solution:D 009 401 04
Universal Adhesive: D 001 200 M2

Procedure

Replace the bolts that were tightened with an additional turn.
Replace the self-locking nuts and bolts, gaskets, seals and O-rings after removal.
Replace the bolts that were tightened with an additional turn.
Replace the self-locking nuts and bolts, gaskets, seals and O-rings after removal.
Secure all hose connections with hose clamps corresponding to series production. Refer to the Parts Information.
During installation, all cable ties must be installed at the same location.

-- Before installing a replacement transmission, always clean out the ATF cooler and ATF lines using compressed air (maximum 10 bar (145.03 psi)). Refer to Clean .

-- When installing a replacement transmission, install the transmission support, the transmission mount and the tunnel crossmember on the new transmission. Refer to OVERVIEW - ASSEMBLY MOUNTS .

-- Mount the transmission onto the :T40173 and secure it using the tension strap -1- from the engine and transmission as shown.

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CAUTION:

Incorrect handling can cause damage to the ATF pump carrier.

- Pay attention to the installed dimension of the torque converter.

-- Check the installed dimension of the torque converter. Refer to TORQUE CONVERTER, REMOVING AND INSTALLING .

-- The following preparations must be made before connecting the engine and transmission:

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-- Clean the contact surface -1- on the lower timing chain cover and on the locking piece -2- with Cleaning Solution:D 009 401 04 .

-- Attach the locking piece with Universal Adhesive:D 001 200 M2 on the lower timing chain cover at the same time pay attention to the instructions.

-- Bring the starter into the installation position.

Fig 1: Identifying Transportation Lock T40170

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-- Insert the :T40170 from below into the transmission housing and secure it to the flange shaft -1-.

-- Check if the alignment sleeves -A- for centering the engine and transmission are in the cylinder block and insert them if they are not.

Fig 2: Engine to Transmission Bolts And Alignment Sleeves -A-

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-- Inspect the aluminum bolts used to connect the engine to the transmission to see if they can be used again and mark them, if necessary. Refer to TRANSMISSION TIGHTENING SPECIFICATIONS => The aluminum bolts may be used two times. Therefore, the bolts must be marked with an "X" made by a chisel after they have been used the first time -arrow-. .

When bringing together the engine and transmission make sure that the locking piece is seated correctly.

-- Place the engine on the transmission and at the same time install the bolt -1- for the starter.

-- Tighten the bolts -2 through 11- by hand all the way.

-- Tighten the bolts -1 through 11-.

-- Remove the :T10038 .

-- Lift the transmission using the :VAS6931 and tighten the bolts for the tunnel crossmember. Refer to OVERVIEW - ASSEMBLY MOUNTS .

-- Move the :VAS6931 with the :T40173 under the transmission.

-- Remove the :T40170 .

Fig 3: Pressing Flywheel Slightly Against Drive Plate

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Tip:

The following step is necessary to make sure the torque converter rests on the drive plate evenly and is not tilted.

-- Push the torque converter -2- slightly against the drive plate -3- in direction of -arrow- using a pry bar -1-.

-- Fasten the torque converter to the drive plate as follows:

Fig 4: Locating Hole Next To Notch

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-- Turn the torque converter so that hole next to the notch -arrow- is visible in the lower cut-out in the transmission housing as shown.

Tip:

There is only 1 notch on the circumference; rotate the torque converter as needed.

CAUTION:

Risk of damaging the engine by the timing mechanism skipping.

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

-- Tighten the bolt -arrow- for the torque converter -1- that is accessible in this position. Refer to OVERVIEW - TORQUE CONVERTER .

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Use the :VAG1332/14 to tighten the bolts.

-- Counterhold the crankshaft to tighten the bolts for the torque converter with the : T40263 and :T40314 .

-- Continue turning the crankshaft 60° and tighten the remaining five bolts -arrow- for the torque converter.

-- Tighten the remaining engine/transmission connecting bolts.

Install in reverse order of removal. Note the following:

-- Install the drive axles. Refer to OVERVIEW - DRIVE AXLE .

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

-- Install the parking lock emergency release cable. Refer to PARKING LOCK EMERGENCY RELEASE CABLE, REMOVING AND INSTALLING .

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

-- Install the steering intermediate shaft. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

-- Install the subframe shield. Refer to OVERVIEW - SUBFRAME .

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

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

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

-- Install the front exhaust pipe with the slip catalyst. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .

-- Install the Differential Pressure Sensor 2 -G524-. Refer to approrpriate Service Information .

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

-- Install the drive axle cover. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

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

CAUTION:

There is a risk of destroying control modules due to the excess voltage.

- Do not use a charging unit as a starting aid.

-- Follow all steps after connecting the battery. Refer to BATTERY A, DISCONNECTING AND CONNECTING, VEHICLES WITH HIGH-VOLTAGE SYSTEM, (0K3) .

-- Check the parking lock emergency release. Refer to EMERGENCY RELEASE FROM P .

-- Check the ATF level and correct if necessary. Refer to ATF LEVEL, CHECKING .

If a new factory transmission is installed, an ATF level test is not necessary.
If the transmission is replaced, the "Replace control module" function must be performed using the Vehicle Diagnostic Tester.

Procedure

-- Connect the Vehicle Diagnostic Tester.

-- Select Diagnostic mode and start the diagnostic.

-- Select the Test plan tab.

-- Select individual test button and select the following tree structure one after the other:

Diagnostic-capable systems
0002 - Transmission Control Module 0D5 -J217
0002 - Transmission electronics, functions
0002 - Control module, replacing

-- Start the selected program and follow the instructions in the display of the Vehicle Diagnostic Tester.