Turbocharger, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, and 2013 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

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.

-- Remove the pre-catalytic converter. Refer to PRE-CATALYTIC CONVERTER, REMOVING AND INSTALLING .

-- Loosen the clamps -arrows- and remove the air guide pipe.

Fig 1: Remove/Install Air Guide Pipe Spring Clamps

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -1-.

Fig 2: Removing Air Guide Pipe From Turbocharger

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and then remove the air guide pipe from the turbocharger.

NOTE:

Ignore items -2 and 3-.

-- Remove the bolts -1 And 2-.

Fig 3: Identifying Bolts -1 And 2-

Courtesy 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.

Fig 4: Identifying Crankcase Ventilation Hose

Courtesy of AUDI OF AMERICA, LLC

-- Remove the hose -arrow- 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 5: Identifying Harness Connector