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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (3.0L - Turbocharger & Supercharger - Engine Code: CPNB) >> 21 Turbocharger, Supercharger >> Turbocharger >> Turbocharger, Removing And Installing >> Turbocharger, Removing And Installing, Vehicles With A Turbocharger >> Removing

Turbocharger, Removing And Installing, Vehicles With A Turbocharger: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

When working on the whole exhaust system:

CAUTION:

If mechanical damage (such as a destroyed compression wheel) is found on the turbocharger, just replacing the turbocharger is not enough. To avoid damage later, perform the following steps:

  • Check the air filter housing, air filter element and air guide hoses for contamination.
  • Check the entire charge air circuit and charge air cooler for foreign objects.
  • If there are foreign objects in the charge air system, clean the charge air circuit and replace the charge air cooler if necessary.
NOTE:

Follow all the rules of cleanliness, refer to CLEAN WORKING CONDITIONS .

-- Remove the lock carrier cover, refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

-- Remove the particulate filter:

-- Open the clamps -arrows- and remove the air guide pipe -1-.

Fig 1: Identifying Air Guide Pipe & Clamps
GWWA23-10600Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and the air guide -1-.

Fig 2: Identifying Bolts
GWWA24-10872Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore item -2-.

-- Remove the bolts -2 and 3-.

Fig 3: Removing Screws
GWWA21-10231Courtesy of AUDI OF AMERICA, LLC

-- Loosen the air guide pipe -1- and remove the coolant hose.

-- Remove the bolts -1 and 2-.

Fig 4: Locating Bolts
GWWA21-10538Courtesy of AUDI OF AMERICA, LLC
Fig 5: Identifying Crankcase Ventilation Hose
GWWA15-10987Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Depending on the vehicle equipment level and market-specific crankcase ventilation hose may be used, which cannot be removed from the cylinder head cover without being destroyed. In these versions the hose on the cylinder head cover is destroyed and replaced.

-- Remove the hose -1- for the crankcase ventilation, to do so - if equipped- press the release button or the damage the hose connection on the cylinder head cover.

-- Disconnect the connector -arrow-.

Fig 6: Identifying Connector
GWWA21-10559Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -2-.

Fig 7: Locating Bolts
GWWA26-11003Courtesy of AUDI OF AMERICA, LLC

-- Loosen the screw-type clamp -1- and then remove the Exhaust Gas Recirculation (EGR) pipe.

-- Remove the connector -2- from the bracket and disconnect it.

Fig 8: Identifying Connector
GWWA26-11006Courtesy of AUDI OF AMERICA, LLC

-- Free up the wire.

NOTE:

Ignore item -1-.

-- Loosen the bolt -5-.

Fig 9: Identifying Turbocharger, Bolts And Nuts
GWWA21-10552Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -1 and 2- and the bolt -3 and 4-.

-- Remove the turbocharger.

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