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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 Temperature Regulation >> Exhaust Gas Temperature Sensor 1 -G235-, REMOVING AND INSTALLING >> Removal

Exhaust Gas Temperature Sensor 1 -G235-, REMOVING AND INSTALLING: Removal

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

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

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

-- Disconnect the -1- Exhaust Gas Temperature Sensor 1 -G235- black connector and free up the wire.

Fig 3: Locating Exhaust Gas Temperature Sensor 1 -G235- Connector (1) And EGR Temperature Sensor -G98- Connector (2)
GWWA15-10650Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -item 2-.

-- Remove the Exhaust Gas Temperature Sensor 1 -G235- -arrow-.

Fig 4: Locating Exhaust Gas Temperature Sensor 1 -G235- -Arrow-
GWWA26-10333Courtesy of AUDI OF AMERICA, LLC
NOTE:

To provide a better illustration, component location is shown from behind with engine removed.