Catalytic Converters, Removing, Automatic Transmission: 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.

NOTE:

When installing, bring all cable ties back to same positions.

-- Remove the subframe crossbrace, refer to SUBFRAME CROSSBRACE, REMOVING AND INSTALLING .

CAUTION:

The suspension components could be damaged.

Do not rest the vehicle on its wheels if the subframe mount, the steering gear or the subframe crossbrace are not installed correctly.

-- Remove the front muffler, refer to FRONT MUFFLER, REMOVING AND INSTALLING .

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

Left Catalytic Converter:

-- Remove the steering intermediate shaft, refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

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

Fig 1: Disconnecting Connector To Fuel Injectors (Left Cylinder Head)

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NOTE:

Ignore items -1 and 2-.

-- Remove the nuts -arrows- and the bolt -1-.

Fig 2: Identifying Nuts, Bolt And Left Catalytic Converter

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Right Catalytic Converter:

Fig 3: Disconnecting Connector To Fuel Injectors (Right Cylinder Head)

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

NOTE:

Ignore items -2 and 3-.

-- Remove the nuts -arrows- and the bolt -1- and move the right catalytic converter to the rear.

Fig 4: Identifying Nuts, Bolts And Right Catalytic Converter

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NOTE:

Ignore item -1-.

Continued for Both Sides:

Fig 5: Identifying Transmission Support

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-- Place the Engine/Gearbox Jack - Gearbox Support T10337 on the Engine and Gearbox Jack VAS 6931 and place under the transmission.

-- Lift the transmission slightly with the engine and gearbox jack.

WARNING:

There is the risk of an accident.

Do not lower the Engine and Gearbox Jack VAS 6931 during assembly and do not leave it under the vehicle unsupervised.

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

Fig 6: Identifying Tunnel Crossmember Bolts

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-- Lower the tunnel crossmember to dimension -a- using the Engine/Gearbox Jack VAG 1383A.

Dimension -a- = maximum 70 mm.

-- Remove the catalytic converter.

Fig 7: Lower Transmission

Courtesy of AUDI OF AMERICA, LLC