Engine And Transmission, Separating

WARNING: This page is about a different car, the 2014 Audi A8 Quattro and 2013 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools And Workshop Equipment Required

Crankshaft Socket T40058
Scissor Lift Table - Audi Set VAS 6131/10, Articulated Joint Support VAS 6131/13-7 and Scissor Lift Table - Gearbox Support VAS 6131/14

Procedure

Engine/transmission assembly removed and placed on the Scissor Lift Table VAS 6131B.

-- Remove the connector -3- for the Oxygen Sensor 2 after Catalytic Converter -G131- from the bracket and disconnect it.

NOTE:

Ignore items -1 and 2-.

Fig 1: Disconnecting Connector To Oxygen Sensor 2

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-- Remove the nuts -arrows- and the bolt -1- and the left catalytic converter.

Fig 2: Identifying Nuts, Bolt And Left Catalytic Converter

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CAUTION:

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

Always "discharge" the static electricity. 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.

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

Fig 3: Identifying Transmission Connector

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-- 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.

NOTE:

Ignore item -1-.

Fig 4: Identifying Engine Speed Sensor -G28-

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-- Loosen the clamp -2- and remove the coolant hose from the lower left coolant pipe.

NOTE:

Ignore item -1-.

Fig 5: Identifying Coolant Hose Clamp

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NOTE:

Catch any leaking ATF with a cloth.

Fig 6: Identifying ATF Pipe And Bolts

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-- 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 Set VAS 6122.

-- Remove the electrical connector -1- from the Oxygen Sensor after Three Way Catalytic Converter -G130- from the bracket and disconnect it.

Fig 7: Disconnecting Connector From Oxygen Sensor

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NOTE:

Ignore items -2 and 3-.

-- Remove the nuts -arrows- and the bolt -1- and remove the right catalytic converter.

Fig 8: Identifying Nuts, Bolts And Right Catalytic Converter

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-- Loosen the hose clamps -arrows- to remove the bolts -1 and 2- and to remove the coolant hoses for the right coolant pipe from the transmission.

Fig 9: Identifying Coolant Hose Clamps

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

Fig 10: Identifying Left And Right Drive Axles

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

Fig 11: Identifying ATF Cooler Bolts

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

Fig 12: Identifying Transmission Lower Cover

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-- Insert the Crankshaft Socket T40058 guide pins as follows:

Fig 13: Identifying Guide Pin And Adapter T40058

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

-- Counterhold the crankshaft and loosen the torque converter bolts using a Crankshaft Socket T40058 and a closed wrench.

Fig 14: Counter Hold Crankshaft Using Socket T40058

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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 15: Identifying Torque Converter Bolts

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-- Equip the Scissor Lift Table VAS 6131B with the Scissor Lift Table - Audi Set VAS 6131/10, Articulated Joint Support VAS 6131/13-7, and Scissor Lift Table - Gearbox Support VAS 6131/14 as follows:

Fig 16: Identifying Scissor Lift Platform VAS 6131 Grid

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NOTE:

The other attachments remain unchanged.

Table Coordinates	Parts from Scissor Lift Table - Audi Set VAS 6131/10, Articulated Joint Support VAS 6131/13-7 and Scissor Lift Table - Gearbox Support VAS 6131/14
F2	/13-7
B10	/10-1	/10-2	/10-5	/14
G10	/10-1	/10-2	/10-5	/14

-- Secure the Articulated Joint Support VAS 6131/13-7 to the engine in threaded hole on the front to the right, as shown in the illustration.

Fig 17: Identifying Joint Support VAS 6131/13-7

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-- Tighten the Articulated Joint Support VAS 6131/13-7 to 20 Nm on the scissor lift table.

-- Attach the mounting elements from the Scissor Lift Table - Audi Set VAS 6131/10 and Scissor Lift Table - Gearbox Support VAS 6131/14 on the front of the transmission, as shown in illustration.

Fig 18: Attaching Mounting Elements From VAS 6131/10 and Transmission Support

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-- Rotate the left and right spindles up until the Scissor Lift Table - Gearbox Support VAS 6131/14 rests firmly against the transmission.

-- Attach mounting element base plates to Scissor Lift Table VAS 6131B and tighten to 20 Nm.

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

-- 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-.

Fig 19: Identifying Bolts

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-- Loosen clamping bolts -1- on sides of Scissor Lift Table VAS 6131B and pull rear table plate with transmission toward rear -arrow-.

Fig 20: Locating Bolts -1- On Sides Of VAS 6131 A And Pull Rear Table Plate With Transmission Toward Rear -Arrow-

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