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Home >> Audi >> 2015 >> A4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 535 (3.2L - Exhaust System & Emission Controls - Engine Code: CALA (Sedan)) >> 26 Exhaust System, Emission Controls >> Emissions Control >> Left Catalytic Converter, Removing And Installing >> Left Catalytic Converter, Removing And Installing >> Removing

Left Catalytic Converter, Removing And Installing: Removing

WARNING: This page is about a different car, the 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Oxygen Sensors Location, Cylinder Bank 2 (Left)
GWWA24-10568Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the Oxygen Sensor 2 after Catalytic Converter -G131- -2-. Refer to HEATED OXYGEN SENSOR, 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.

All A4, A5 Coupe: 

Fig 2: Locating Power Steering Hydraulic Line
GWWA40-10133Courtesy of AUDI OF AMERICA, LLC

-- Remove the nut -1- for the power steering hydraulic fluid line bracket.

-- Remove the bolts -arrows- and the subframe crossbrace.

NOTE:

The illustration shows the installation location on a vehicle with dynamic steering.

Audi A5 Cabriolet: 

Fig 3: Identifying Clamping Sleeve
GWWA40-10125Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right bolts -2-.

NOTE:

Ignore -item 1-.

-- Remove the bolt -2- for the power steering hydraulic line.

Fig 4: Identifying Bolt For Power Steering Hydraulic Fluid Line Bracket
GWWA40-10134Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1- and -arrows- and remove the subframe crossbrace.

Continuation for all vehicles:

Fig 5: Locating Left Bolts & Heat Shield
GWWA10-11173Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and the left driveshaft heat shield -1-, if applicable.

-- Remove the nuts -arrows- and the bolt -1- and the left catalytic converter.

Fig 6: Identifying Nuts, Bolt And Left Catalytic Converter
GWWA26-10415Courtesy of AUDI OF AMERICA, LLC
NOTE:

The installation location is shown with the engine removed.