Engine And Transmission, Separating

WARNING: This page is about a different car, the 2012 Audi A8 and 2011 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Crankshaft SocketT40058
Scissor Lift Table - Audi SetVAS6131/10, support set Scissor Lift Table - A6 SetVAS6131/12 and Scissor Lift Table - Q7 SetVAS6131/13
M10 x 65 bolt

Procedure

Fig 1: Identifying Oxygen Sensors Location, Cylinder Bank 2 (left)

Courtesy of AUDI OF AMERICA, LLC

Engine/transmission assembly removed and placed on the Scissor Lift TableVAS6131B.

-- Disconnect and remove the connectors from the bracket and free up the wires.

3 - For Heated Oxygen Sensor 2 -G108-

4 - For Oxygen Sensor 2 after Catalytic Converter -G131-

NOTE:

Ignore items -1 and 2-.

-- Remove the nuts -arrows- and the left catalytic converter.

Fig 2: Identifying Left Catalytic Converter Nuts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the connector for the -2- for the Transmission Mount Valve 2 -N263- from the bracket and disconnect it.

Fig 3: Identifying Left And Right Bolt And Transmission Mount Brace

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore items -1 and 3-.

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

Fig 4: Identifying Bolts And Heat Shield

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1- from the bracket for the hydraulic pipe.

Fig 5: Identifying Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove the left transmission mount with the transmission support.

NOTE:

Catch any leaking ATF with a cloth.

Fig 6: Identifying ATF Pipe And Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and then remove the ATF line -1- from the transmission.

-- Seal the open lines and connections with clean plugs from the Engine Bung SetVAS6122.

Fig 7: Disconnecting Connector On Transmission By Rotating Screw

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

There is a risk of destroying the transmission control module (Mechatronic) with static discharge.

Do not touch contacts in transmission connector with hands.

-- To discharge static electricity, touch the transmission housing (without wearing gloves).

-- Turn the twist lock counter-clockwise -arrow- and disconnect the connector from the transmission.

-- Free up the wiring harness on the transmission.

-- Loosen the clamp -2- and remove the coolant hose.

Fig 8: Identifying Coolant Hose Bolt And Clamp

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore item -1-.

-- Disconnect the connector -1- and free up the wire.

Fig 9: Identifying Transmission Coolant Valve -N488- -

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamp -3- and remove the coolant hose.

NOTE:

Ignore item -2- and -arrows-.

-- Remove the connectors from the bracket, disconnect them and then free up the wires.

Fig 10: Identifying Oxygen Sensors Location, Cylinder Bank 1 (right)

Courtesy of AUDI OF AMERICA, LLC

1 - For Oxygen Sensor after Three Way Catalytic Converter -G130-

2 - For Heated Oxygen Sensor -G39-

NOTE:

Ignore items -3 and 4-.

-- Remove the nuts -arrows- and remove the right catalytic converter.

Fig 11: Identifying Right Catalytic Converter Nuts

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamps -arrows-, remove the bolts -1 and 2- and then remove the right coolant pipe on the transmission from the coolant hoses.

Fig 12: Identifying Coolant Pipe

Courtesy of AUDI OF AMERICA, LLC

-- Remove the connector -1- from the bracket and disconnect it.

Fig 13: Identifying Brace

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore item -2-.

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

Fig 14: Removing Bolts -Arrows- And Remove Heat Shield -1-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2- and remove the transmission mount from the transmission support.

-- Disconnect the connector -2- from the Engine Speed Sensor -G28- and free up the wires on the transmission.

Fig 15: Identifying Engine Speed Sensor -G28-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore item -1-.

NOTE:

Catch any leaking ATF with a cloth.

-- Remove the bolts -arrows- and then tie up the ATF cooler -1- to the side with the hoses -2 and 3- still connected.

Fig 16: Identifying ATF Cooler Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right drive axles from the transmission flange shaft, refer to Drive Axle .

Fig 17: Identifying Left And Right Drive Axles

Courtesy of AUDI OF AMERICA, LLC

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

Fig 18: Identifying Transmission Lower Cover

Courtesy of AUDI OF AMERICA, LLC

-- Insert the Crankshaft SocketT40058 guide pins as follows:

Fig 19: Identifying Guide Pin And Adapter T40058

Courtesy of AUDI OF AMERICA, LLC

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

-- To loosen the torque converter bolts, counterhold the crankshaft using the Crankshaft SocketT40058.

Fig 20: Locating Torque Converter Bolts And Adapter T40058 To Counterhold Crankshaft

Courtesy of AUDI OF AMERICA, LLC

NOTE:

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

-- Remove the six torque converter bolts -arrow- while turning the crankshaft 60° further in the direction of engine rotation.

Fig 21: Identifying Clutch Module First Bolt Installation Location

Courtesy of AUDI OF AMERICA, LLC

-- Equip the Scissor Lift TableVAS6131B with the Scissor Lift Table - Audi SetVAS6131/10 and Scissor Lift Table - A6 SetVAS6131/12, and Scissor Lift Table - Q7 SetVAS6131/13 as follows:

Fig 22: Identifying Scissor Lift Platform VAS 6131

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The other attachments remain unchanged.

Platform Coordinates	Components from the Scissor Lift Table - Audi SetVAS6131/10, Scissor Lift Table - A6 SetVAS6131/12 and Scissor Lift Table - Q7 SetVAS6131/13
E2	/13-7
B10	/10-1	/10-3	/10-5	/12-1
H10	/10-1	/10-3	/10-5	/12-1

-- Connect the right front Joint SupportVAS6131/13-7 to the engine using the MD bolt in threaded hole as shown in the illustration.

Fig 23: Identifying VAS 6131/13-7

Courtesy of AUDI OF AMERICA, LLC

-- Install the Joint SupportVAS6131/13-7 on the scissor lift table and tighten it to 20 Nm.

-- Attach mounting elements from Scissor Lift Table - Audi SetVAS6131/10 and Scissor Lift Table - A6 SetVAS6131/12 on the left of the transmission, as shown in illustration.

Fig 24: Attaching Mounting Elements From Scissor Lift Table - Audi SetVAS6131/10 And Scissor Lift Table - A6 SetVAS6131/12

Courtesy of AUDI OF AMERICA, LLC

-- Attach mounting elements from Scissor Lift Table - Audi SetVAS6131/10 and Scissor Lift Table - A6 SetVAS6131/12 on the right side of the transmission mount as shown in illustration.

Fig 25: Attaching Mounting Elements From Scissor Lift Table - Audi SetVAS6131/10 And Scissor Lift Table - A6 SetVAS6131/12

Courtesy of AUDI OF AMERICA, LLC

-- Turn the left and right spindles upward until all the mounting pins come into contact with the mounting points.

-- Attach mounting element base plates to Scissor Lift TableVAS6131B and tighten to 20 Nm.

-- Remove the starter bolts -1 and 2-.

Fig 26: Checking If Alignment Sleeves -A- For Centering Engine/Transmission Are In Cylinder Block

Courtesy of AUDI OF AMERICA, LLC

-- Press the starter off the transmission and leave it in the installation position.

-- Remove the remaining bolts -3 through 11- that attach the engine to the transmission.

NOTE:

Ignore item -A-.

-- Loosen clamping bolts -1- on sides of Scissor Lift TableVAS6131A and pull rear table plate with transmission toward rear -arrow-.

Fig 27: Locating Bolts -1- On Sides Of VAS 6131 A And Pull Rear Table Plate With Transmission Toward Rear -Arrow-

Courtesy of AUDI OF AMERICA, LLC