Transmission, Removing, Vehicles With 4-Cylinder TDI Engine

WARNING: This page is about a different car, the 2018 Audi A6, 2017 Audi A6, and 2016 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Pry Lever :80-200
Hose Clamps - Up To 25mm :3094
Engine and Gearbox Jack :VAS6931
Engine Bung Set :VAS6122
Gearbox Support :T40173

Preparing the :T40173 :

Courtesy of AUDI OF AMERICA, LLC

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

Procedure

-- Move the selector lever into "P".

-- Position the front wheels so they are straight.

-- Disable the ATF pump and drain the hydraulic pressure reservoir. Refer to ATF PUMP, DEACTIVATING AND DRAINING THE HYDRAULIC PUMP RESERVOIR .

-- Turn off the ignition.

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of damaging the transmission by mixing ATF and transmission fluid (MTF) through the same bleeder.

The transmission filled with ATF and MTF transmission fluid must be tilted a maximum of 15° in lateral and longitudinal direction.
If more of an incline is needed, then the ATF and MTF transmission fluids must be drained. Refer to ATF, DRAINING AND FILLING and TRANSMISSION FLUID, DRAINING AND FILLING .

CAUTION:

Risk of damaging electronic components when disconnecting the battery.

Complete the steps for disconnecting the battery.

-- Disconnect the battery ground cable. Refer to BATTERY .

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING [For engine(s) CYNB] or ENGINE COVER, REMOVING AND INSTALLING [For engine(s) CREC, CREH] or ENGINE COVER, REMOVING AND INSTALLING [For engine(s) CTGE, CEUC] or ENGINE COVER, REMOVING AND INSTALLING [For engine(s) CPNB] .

-- Remove the plenum chamber bulkhead. Refer to Body Front .

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

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The bolt -2- attaches the starter to the transmission and has an additional spacer sleeve -arrow-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the ball socket -1- on the selector lever cable from the selector shaft lever using the :80-200 .

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -2-.

NOTE:

Use a cloth to catch any leaking coolant.

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamps -arrows- and then disconnect and remove the coolant hoses with :3094 .

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

-- Remove the noise insulation. Refer to NOISE INSULATION .

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

Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right driveshaft cover -1- inside the wheel housing.

Courtesy of AUDI OF AMERICA, LLC

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

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

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

Courtesy of AUDI OF AMERICA, LLC

-- Remove the cap from the vibration damper.

Courtesy of AUDI OF AMERICA, LLC

-- Counterhold the crankshaft with an angled wrench -1- to loosen the flywheel bolts on the central bolt on the vibration damper.

NOTE:

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

-- Remove the 3 flywheel bolts -arrow- while turning the crankshaft 120° further in the direction of engine rotation.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2- for the belt on the transmission.

Courtesy of AUDI OF AMERICA, LLC

-- Press the tab -1- in direction of -arrow B- and swivel it toward the rear -arrow A-.

NOTE:

The front exhaust pipe remains installed.

-- Remove the bolts -arrows- and remove the heat shield from the right driveshaft.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right driveshaft from the transmission flange shaft. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

-- Disconnect the connector -2- on the transmission fluid pump -1-.

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore -arrows-.

Courtesy of AUDI OF AMERICA, LLC

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.

-- Disconnect the connector -1- by pressing the locking mechanism -arrow B- and pull the locking bracket -2- in direction of -arrow A-.

-- Free up the wiring harness on the transmission and on the crossmember.

-- Disconnect the connector -1-.

Courtesy of AUDI OF AMERICA, LLC

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

-- Free up the wiring harness.

-- Remove the starter bolt -1-.

Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the remaining bolts -6 through 9- on the transmission connection to the engine.

-- Place the :VAS6931 with the prepared :T40173 under the transmission and secure with the tensioning strap -1- as shown in the illustration.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the tunnel crossmember. Refer to TUNNEL CROSSMEMBER, REMOVING AND INSTALLING .

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of destroying the Exhaust Pressure Sensor 1 -G450- and Differential Pressure Sensor -G505- when lowering the transmission.

If the pressure is too high the connection from the Exhaust Pressure Sensor 1 -G450- and Differential Pressure Sensor -G505- can break.

Exhaust Pressure Sensor 1 -G450- and Differential Pressure Sensor -G505-. Refer to SENSORS [For engine(s) CPNB]

-- Loosen the bolts -1- for the torque support -2-.

Courtesy of AUDI OF AMERICA, LLC

-- Lower the transmission :VAS6931 only until the torque support is set in its adjustment range at the very bottom -arrow-. Pay attention to the Exhaust Pressure Sensor 1 -G450- and Differential Pressure Sensor -G505- while doing this.

-- Re-tighten the bolts for the torque support.

-- Push the transmission off the engine and lower it carefully using the :VAS6931 while doing so pay attention to wires and the selective catalytic reduction line.