Left Exhaust Manifold: Removing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, and 2010 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Noise Insulation

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NOTE:

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

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

-- Remove the noise insulation -1 and 2-. Refer to NOISE INSULATION .

-- Remove the left front muffler. Refer to FRONT MUFFLER .

-- Remove the -3- Oxygen Sensor (O2S) 2 after catalytic converter -G131- connector from the bracket, disconnect it and free up the wire.

Fig 2: Disconnecting Connector To Fuel Injectors (Left Cylinder Head)

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NOTE:

Ignore -1 and 2-.

-- Remove the bolt -1- and nuts -arrows-. Then remove the left catalytic converter from the exhaust manifold.

Fig 3: Identifying Nuts, Bolt And Left Catalytic Converter

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-- Remove the left engine mount. Refer to LEFT ENGINE MOUNT .

Fig 4: Identifying Bolts

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-- Remove the bolts -arrows- and the left engine support.

-- Remove the bolts -1 through 4- and remove the heat shield.

Fig 5: Identifying Bolts And Heat Shield

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-- Remove the nuts -1 and 8- and the heat shield bracket.

Fig 6: Identifying Nuts, Bracket For Heat Shield & Exhaust Manifold

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-- Remove nuts -2 through 7- and -9- and remove the exhaust manifold.