Catalytic Converter, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.

NOTE:

During installation, install all cable ties back at the same position.

-- Remove the connector -2- from the bracket, disconnect it and free up the wires.

Fig 1: Heated Oxygen Sensors

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-- Loosen the clamp -1- for the catalytic converter -2- and push the clamp on the turbocharger.

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-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Remove the bolts -arrows-.

Fig 2: Drive Axle Heat Shield

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-- Remove the right drive axle heat shield.

AWD Vehicles:

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-- Remove the right wheel and the right wheel housing liner lower section.

-- Remove the bolts -arrows- and the heat shield -1-.

-- Remove the bolts -A and B- on the bevel box and remove the heat shield -1-.

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-- Mark the position of the driveshaft to the flange on the bevel box.

Fig 3: Mark Position Of Driveshaft

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-- To loosen or tighten, counterhold the driveshaft on the rear final drive.

Fig 4: Counterholding Rear Final Drive To Loosen And Tighten Driveshaft

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-- Remove the driveshaft on the front bevel box -arrows-.

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-- Remove the pendulum support. Refer to PENDULUM SUPPORT, REMOVING AND INSTALLING .

-- When removing and installing the puller always pay attention that the bushing -arrow- is not damaged.

Fig 5: Identifying Driveshaft Flange Shaft Seal

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-- Position the : T10533 between the subframe and the transmission and tighten the bolts hand-tight.

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Bolt -3- = pendulum support original bolt
Install a M8 x 30 mm bolt -1- with a washer -2- in the threaded hole of the noise insulation.
-A- flat side
-B- high side

-- Push the engine with the : T10533 as far forward as possible.

-- Remove the driveshaft from the bevel box and place it to the left.

-- Tape off or cover the driveshaft in the front area with a cleaning cloth to prevent damage to the surface protection.

-- Remove the Oxygen Sensor 1 after Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 after Catalytic Converter -GX7-, REMOVING AND INSTALLING .

All Vehicles

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-- Remove the nuts -2-.

NOTE:

Danger of causing damage to the decoupling element!

Do not bend the decoupling element more than 10°. Do not damage the wire mesh on the decoupling element.

-- Remove the bolts -arrows-.

Fig 6: Identifying Exhaust System Bracket (Suspended Mount) Bolts

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-- Loosen the clamping sleeve -arrow- and push it toward the rear. At the same time have a second technician hold the exhaust pipe securely.

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-- Remove the catalytic converter with the front exhaust pipe.