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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 Cooler, Removing And Installing >> Removal

EGR Cooler, Removing And Installing: Removal

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

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the upper left coolant pipe. Refer to LEFT UPPER COOLANT PIPE, THROUGH 05.10, REMOVING AND INSTALLING .

-- Remove the right upper coolant pipe. Refer to UPPER RIGHT COOLANT PIPE, REMOVING AND INSTALLING .

-- Remove the oil filter housing. Refer to OIL FILTER HOUSING, REMOVING AND INSTALLING .

-- Loosen the clamp -arrow- and remove the exhaust gas recirculation pipe -1-.

Fig 1: Identifying Clamp -Arrow- And Connecting Pipe -1-
GWWA26-10736Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1- and the banjo bolt -3- and move the turbocharger oil supply line to the side.

Fig 2: Identifying Bolt -1- And Banjo Bolt -3- And Move Turbocharger Oil Supply Line To Side
GWWA21-10370Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -item 2-.

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

Fig 4: Connecting Pipe And Bolts
GWWA26-10748Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -items 1 and 4-.

-- Remove the bolts -arrows- and remove the crankcase ventilation pipe -1- toward the rear.

Fig 5: Identifying Bolts -Arrows- And Crankcase Ventilation Pipe -1-
GWWA26-10751Courtesy of AUDI OF AMERICA, LLC

-- Remove the connector -2- (orange) for EGR Temperature Sensor -G98- from the bracket and disconnect it.

Fig 6: 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 1-.

-- Remove the banjo bolt -1- and screw -2- and move the coolant line to the side.

Fig 7: Identifying Banjo Bolt -1- And Bolt -2- And Move Coolant Line To Side
GWWA19-10737Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

Fig 8: Carefully Push The Linkage -2- Off The Ball Studs -Arrow-.
GWWA23-10186Courtesy of AUDI OF AMERICA, LLC

-- Carefully push the linkage -2- off the ball studs -arrow-.

-- Remove the bolts -3- and then remove the Intake Flap Motor 2 -V275- -item 4-.

-- Repeat the procedure on the other side of the vehicle.

-- Disconnect vacuum hose -1-.

Fig 9: Coolant Hose, Vacuum Hose And Clamps
GWWA26-10439Courtesy of AUDI OF AMERICA, LLC

-- Open the clamp -2- and remove the coolant hose.

-- Open the clamp -3- and remove the coolant hose.

-- Remove the bolts -arrows- and then remove the exhaust gas recirculation cooler upward and off the cylinder block.