Left Catalytic Converter, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2012 Audi Q7, and 2011 Audi Q7. 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.

-- Loosen the hose clamps -arrows- and lay the air guide pipe aside with the vacuum hose -1- connected.

Fig 1: Identifying Air Guide Pipe And Clamps

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

-- Remove the connector -3- for the Oxygen Sensor 2 after Catalytic Converter -G131- from the bracket on the right suspension strut tower, then disconnect it and free up the heated oxygen sensor.

Fig 2: Identifying Electrical Connectors

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NOTE:

Ignore items -1, 2 and 4-.

-- Remove the bolts -1 and arrows- and then remove the bracket -2- for the catalytic converter.

Fig 3: Identifying right bracket -2- And Bolts

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NOTE:

The bolt -1- is accessible from the top.

-- Remove the nuts -arrows- and then remove the catalytic converter.

Fig 4: Identifying Catalytic Converter Nuts -Arrows-

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