Transmission, Removing, Vehicles With 3.0L TDI Biturbo Engine: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro, 2014 Audi A7 Quattro, 2013 Audi A7, and 2012 Audi A7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing Battery

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-- Position the front wheels so they are straight.

CAUTION:

Risk of damaging electronic components when disconnecting the battery.

Complete the steps for disconnecting the battery.

-- Disconnect the battery ground cable -2-. Refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Remove the engine cover -arrows-.

Fig 2: Removing Engine Cover

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-- Remove the plenum chamber bulkhead. Refer to PLENUM CHAMBER BULKHEAD, REMOVING AND INSTALLING .

-- Remove the pre-catalytic converter. Refer to FOR ENGINE(S) CTUA & CGXB - CATALYTIC CONVERTER, REMOVING AND INSTALLING , FOR ENGINE(S) CPNB - CATALYTIC CONVERTER, REMOVING AND INSTALLING or FOR ENGINE(S) CEUC & CRDB - CATALYTIC CONVERTER, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to FOR ENGINE(S) CTUA & CGXB - COOLANT, DRAINING AND FILLING , FOR ENGINE(S) CPNB - COOLANT, DRAINING AND FILLING or FOR ENGINE(S) CEUC & CRDB - COOLANT, DRAINING AND FILLING .

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

Fig 3: Identifying Drive Axle Cover -1-

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-- Remove left and right drive axle cover -1- in the wheel housing. Refer to OVERVIEW - NOISE INSULATION .

-- Remove the driveshaft. Refer to REMOVAL AND INSTALLATION or REMOVAL AND INSTALLATION .

Fig 4: Counter Hold Using Counterhold Tool Touareg V10 T10172 And Adapters T10172/5

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-- Remove the Automatic Transmission Fluid (ATF) cooler. Refer to Removing .

NOTE:

Use a cloth to catch any leaking coolant.

Fig 5: Locating Heater Core Hoses And Clamps

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-- Loosen hose clamps -2, and 3- and remove the Coolant Hose -1, and 4- from the Heater Core.

NOTE:

Ignore 3094.

-- Disconnect electrical connectors -1 through 4- and move the wiring harness to the side.

Fig 6: Locating Connectors

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-- Remove the bolts -arrows- and then remove the air guide pipe -1-.

Fig 7: Locating Bolts And Pipe

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-- Disconnect the connector -2-.

Fig 8: Locating Differential Pressure Sensor - G505- Components

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NOTE:

Ignore -items 1 and 3-.

-- Disconnect the connector -2-.

Fig 9: Locating Bolt, Connector And Exhaust Gas Temperature Sensor

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-- Remove the bolt -3-, and remove the bracket with Exhaust Gas Temperature Sensor 3 -G495- and Differential Pressure Sensor -G505-.

NOTE:

Ignore -item 1- and -arrow-.

-- Remove the left and right bolt -1-

Fig 10: Locating Brace & Bolts

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-- Loosen the left and right bolt -3- from the bracket -2- for the turbocharger bracket.

-- Remove the bolts -4, 5- connecting the engine to transmission. They are accessible from above.

Fig 11: Locating Bolts

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NOTE:

Catch any leaking Automatic Transmission Fluid (ATF) with a cloth.

Fig 12: Locating ATF Pipe And Bolts

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-- Remove the bolts -arrows- and remove the Automatic Transmission Fluid (ATF) pipe -1- from the transmission.

-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS 6122

Fig 13: Removing Transmission Connector

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CAUTION:

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

-- Slide the retainer toward the rear -arrow- and press down the release in order to disconnect the connector -2- for the steering gear.

Fig 14: Power Steering Control Module Connectors

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-- Disconnect the connector -1-.

-- Free up the wiring harness.

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

Fig 15: Ball Socket And Securing Clips

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-- Press the securing clips -2- off and remove the selector lever cable from the transmission.

NOTE:

Do not bend or kink the selector lever cable.

-- Disconnect the connector -arrow- from the bracket and free up the wire.

Fig 16: Locating Connector

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-- Remove the bolts -arrows- and then remove the heat shield from the right drive axle.

Fig 17: Identifying Drive Axle Heat Shield Bolts

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-- Remove the bolts -arrows- and the left drive axle heat shield.

Fig 18: Locating Left Drive Axle Heat Shield Bolts

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-- Remove the left and right drive axles from the transmission flange shafts. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

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

Fig 19: Locating Transmission Lower Cover

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-- Insert the adapter T40058 guide pins as follows:

Fig 20: 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 torque converter by the crankshaft drive plate using the Crankshaft Socket T40058 when loosening the bolt.

Fig 21: Locating Torque Converter Bolts And Adapter 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 22: Identifying Clutch Module First Bolt Installation Location

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-- Remove the remaining engine/transmission bolts -2, 3, 6 through 11- but leave one bolt -7- installed hand-tight.

Fig 23: Locating Bolts

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-- Remove the starter bolt -1-.

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

Fig 24: Mounting VAG 1383 A With Prepared T40173 To Bottom Of Transmission

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CAUTION:

Danger of leaks in the Automatic Transmission Fluid (ATF) pan.

The Gearbox Support T40173 must not be set on the Automatic Transmission Fluid (ATF) pan.

-- Place the Engine and Gearbox Jack VAS 6031 with the prepared Gearbox Support T40173 on the bottom of the transmission.

-- The transmission support must be placed at the front as follows:

The bracket -2- fits into the dual-mass flywheel on the transmission housing on the left side of the transmission.
The transmission mount is positioned on the differential housing on the right side of the transmission. Insert a flat piece of rubber -1- in between to protect the housing.

-- Secure the transmission with a tensioning strap -1-.

Fig 25: Transmission Tensioning Strap

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NOTE:

The Gearbox Support T40173 is not illustrated.

Fig 26: Locating Tunnel Crossmember Bolts

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-- Remove the bolts from the tunnel crossmember -arrows-.

-- Remove the last bolt from the transmission to engine connection.

Fig 27: Transmission Tensioning Strap

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-- Press the transmission off the engine and lower it carefully using the Engine and Gearbox Jack VAS 6931