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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> 3.0L - Exhaust System, Emission Controls - Engine Code(S): CATA >> 26 Exhaust System, Emission Controls >> Removal And Installation >> EGR Pipe And Catalytic Converter

EGR Pipe And Catalytic Converter

Removing 

-- Remove the bolt -arrow- on the preliminary catalytic converter strap.

Fig 1: Identifying Bolt -Arrow- From Exhaust Pipe
GWWA26-10328Courtesy of AUDI OF AMERICA, LLC

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

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

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

Fig 3: Identifying Bolts -1 To 2- And Turbocharger Heat Shield
GWWA21-10380Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows-.

Fig 4: Identifying Nuts -Arrows-.
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.

Installing 

Install in reverse order of removal. Note the following:

-- Install primary catalytic converter. Refer to PRIMARY CATALYTIC CONVERTER .