Primary Catalytic Converter, Removing And Installing: Installation

WARNING: This page is about a different car, the 2011 Audi Q7, 2010 Audi Q7, and 2009 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

Tightening specifications. Refer to MUFFLER OVERVIEW .

NOTE:

Replace the seals and self-locking nuts.

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

-- Install the subframe. Refer to SUBFRAME, REMOVING AND INSTALLING .

-- Install the universal joint on steering gear. Refer to POWER STEERING GEAR, REMOVING AND INSTALLING .

-- Install the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, REMOVING AND INSTALLING .

-- Install the Exhaust Gas Temperature Sensor 2 -G448-. Refer to Exhaust Gas Temperature Sensor 2 -G448-, REMOVING AND INSTALLING .

-- Install the turbocharger heat shield. Refer to TURBOCHARGER OVERVIEW .

-- Install NOx Sensor -G295- and the Heated Oxygen Sensor -G39-. Refer to Oxygen Sensors and Oxygen Sensors .

-- Install the particulate filter. Refer to PARTICULATE FILTER, REMOVING AND INSTALLING .

-- Install exhaust system free of stress. Refer to EXHAUST SYSTEM, INSTALLATION WITHOUT TENSION .

-- Fill the coolant, refer to COOLANT, DRAINING AND FILLING .

-- Install the noise insulation and bracket. Refer to NOISE INSULATION, REMOVING AND INSTALLING .

-- On a vehicle with air suspension, deactivate vehicle lift mode. Refer to VEHICLE LIFT MODE .