Engine And Transmission, Separating: Notes

WARNING: This page is about a different car, the 2016 Audi A8 Quattro and 2015 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Crankshaft Turning Tool:T40257
Wrench - 21mm:T40263
Adapter:T40314
Scissor Lift Table - Audi Set:VAS6131/10
Scissor Lift Table - Q7 Set - Articulated Joint Support :VAS6131/13-7
Scissor Lift Table - Gearbox Support:VAS6131/14
Bolt:3367/3 from Press Tool For Viscous Fan:3367
Engine Support:T10014
M10 Nut

Preparing the :VAS6131/14 :

Fig 1: Identifying Dimensions -A-, -B- And -C-

Courtesy of AUDI OF AMERICA, LLC

-- Shape the foam insert to the dimension specifications.

Dimension -a- = 20 mm.
Dimension -b- = 55 mm.
Dimension -c- = 55 mm.

-- Order new foam inserts as a replacement for other use cases.

Preparing the :VAS6131/13-7 :

Fig 2: Identifying Articulated Joint Support VAS 6131/13-7

Courtesy of AUDI OF AMERICA, LLC

:3367/3 from :3367
M10 Nut
:T10014
:VAS6131/13-7

Procedure

Fig 3: Identifying Connector And Differential Pressure Sensor

Courtesy of AUDI OF AMERICA, LLC

Engine/transmission assembly removed and placed on the :VAS6131B .

Exhaust Gas Temperature Sensor Version 1:

-- Remove the connectors -1 and 3- from the bracket, disconnect, and free up the wires.

-- Disconnect the connector -2- and unclip the Differential Pressure Sensor -G505- from the bracket and free it up.

Exhaust Gas Temperature Sensor Version 2:

Fig 4: Identifying Connectors

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -1 and 4- and remove them from the bracket.

NOTE:

Ignore -2 and 3-.

Vehicles with Engine Codes CTBA, CTBB, CTBD:

Fig 5: Identifying Clamp

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamp -1-, remove the Reducing Agent Injector -N474- and push aside.

NOTE:

Ignore -item 2-.

Continuation for All Vehicles:

Fig 6: Identifying Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -3-.

NOTE:

Ignore -1 and 2-.

-- Remove the bolts -arrows-.

Fig 7: Identifying Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows- and remove the particulate filter with the front exhaust pipe.

Fig 8: Identifying Flange Nut

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The vehicle is illustrated without an SCR system.

-- Remove the left and right drive axle from the transmission flange shaft. Refer to Drive Axle, Removing and Installing .

Fig 9: Identifying Left And Right Drive Axles

Courtesy of AUDI OF AMERICA, LLC

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

Fig 10: Identifying Clamp

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Lay a cloth underneath to catch any leaking ATF.

Fig 11: 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 :VAS6122 .

Vehicles through MY 2013:

Fig 12: Disconnecting Connector From Transmission

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of destroying the transmission control module (Mechatronic) with static discharge.

Do not touch connector terminals in the 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.

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

Fig 13: Engine Speed Sensor -G28-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore -1-.