Engine And Transmission, Separating

WARNING: This page is about a different car, the 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 Socket T40058
Scissor Lift Table - Audi Set VAS6131/10, Articulated Joint Support VAS6131/13-7 and Scissor Lift Table - Gearbox Support VAS6131/14

Procedure

Engine/transmission assembly removed and placed on the Scissor Lift Table VAS6131B.

-- Remove the supercharger ribbed belt tensioner, refer to RIBBED BELT TENSIONER, REMOVING AND INSTALLING, SUPERCHARGER RIBBED BELT .

-- Remove the connector -2- for the Oxygen Sensor 2 after Catalytic Converter -G131- from the bracket, disconnect it and free up the wire.

Fig 1: Identifying Connector And Plenum Chamber Bulkhead

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NOTE:

Ignore item -1-.

-- 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.

Fig 4: Identifying Engine Speed Sensor -G28-

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NOTE:

Ignore item -1-.

-- Remove the connector -1- for the Oxygen Sensor after Three Way Catalytic Converter -G130- from the bracket, disconnect it and free up the wire.

Fig 5: Removing Connector For Oxygen Sensor After Three Way Catalytic Converter -G130- From Bracket

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NOTE:

Ignore item -2-.

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

Fig 6: Identifying Nuts, Bolts And Right Catalytic Converter

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-- Disconnect the connectors -3- and free up the wiring harness.

Fig 7: Identifying Clamp And Electrical Connectors

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

-- Open the clamp -1-.

NOTE:

The coolant hose will be removed later.

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

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

Fig 8: Identifying ATF Cooler Bolts

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

Fig 9: Identifying Transmission Lower Cover

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-- Insert the Crankshaft SocketT40058 guide pins as follows:

Fig 10: 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 SocketT40058 and a closed wrench.

Fig 11: Identifying 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 12: Identifying Clutch Module First Bolt Installation Location

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-- Equip the Scissor Lift Table VAS 6131B with the Scissor Lift Table - Audi Set VAS6131/10, Articulated Joint Support VAS 6131/13-7, and Scissor Lift Table - Gearbox SupportVAS6131/14 as follows:

Fig 13: Identifying Scissor Lift Platform VAS 6131

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NOTE:

The other attachments remain unchanged.

Table Coordinates	Parts from Scissor Lift Table - Audi SetVAS6131/10, Articulated Joint SupportVAS6131/13-7 and Scissor Lift Table - Gearbox SupportVAS6131/14
F2	/13-7
B10	/10-1	/10-2	/10-5	/14
G10	/10-1	/10-2	/10-5	/14

-- Tighten the Articulated Joint Support VAS6131/13-7 to the front of the engine on the right in the threaded hole for the A/C compressor ribbed belt tensioner as shown.

Fig 14: Identifying Articulated Joint Support VAS6131/13-7

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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 VAS6131/10 and Scissor Lift Table - Gearbox Support VAS6131/14 on the front of the transmission, as shown in illustration.

Fig 15: Attaching Mounting Elements From VAS 6131/10 And Transmission Support

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-- Turn the left and right spindles upward until the Scissor Lift Table - Gearbox Support VAS6131/14 rests firmly against the transmission.

-- Attach mounting element base plates to Scissor Lift Table VAS6131B and tighten to 20 Nm.

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

Fig 16: Identifying Bolts

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-- 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 the clamping screws -1- on the side of the Scissor Lift TableVAS6131B and pull the rear table top with the transmission toward the rear -arrow- while removing the coolant hose from the engine oil cooler.

Fig 17: Locating Bolts -1- On Sides Of VAS 6131 A And Pull Rear Table Plate With Transmission Toward Rear -Arrow-

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