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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (3.0L - Exhaust System & Emission Controls - Engine Code: CATA) >> 26 Exhaust System, Emission Controls >> Exhaust Gas RECIRCULATION >> EGR Pipe And Catalytic Converter, Removing And Installing >> Removal

EGR Pipe And Catalytic Converter, Removing And Installing: Removal

WARNING: This page is about a different variant/trim than selected.
Fig 1: Locating Preliminary Catalytic Converter Tab And Bolt -Arrow-
GWWA26-10328Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow- from the tab on the preliminary catalytic converter.

-- Carefully pull the engine cover off the 4 bolts one after the other -arrows-.

Fig 2: Removing Engine Cover
GWWA10-11000Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1- and -2- and then remove the heat shield from the turbocharger.

Fig 3: Turbocharger Heat Shield And Bolts
GWWA21-10380Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows-.

Fig 4: Locating Front Exhaust Pipe To Catalytic Converter Flange Nuts
GWWA26-10329Courtesy of AUDI OF AMERICA, LLC

-- Remove the preliminary catalytic converter from the turbocharger and push it toward the rear.

-- Remove the bolts -2- and -3- and remove the exhaust gas recirculation pipe.

Fig 5: Connecting Pipe And Bolts
GWWA26-10748Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1- and -4- and remove the exhaust gas recirculation pipe.