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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (3.6L - Exhaust System & Emission Controls - Engine Code: BHK) >> 26 Exhaust System, Emission Controls >> Exhaust Manifold >> Exhaust Manifold, Removing And Installing >> Removal

Exhaust Manifold, Removing And Installing: Removal

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Air Guide Pipe And Vacuum Hose
GWWA10-10702Courtesy of AUDI OF AMERICA, LLC

Proceed as follows: 

NOTE:

When Installation, bring all cable ties back to same positions.

-- Disconnect vacuum hose -1-.

-- Remove air guide pipe -arrows-.

-- Disconnect the connector -1- from the Throttle Valve Control Module -J338-.

Fig 2: Locating Throttle Valve Control Module -J338- -1-
GWWA24-10367Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and the Throttle Valve Control Module -J338-.

Vehicles without Mechanical Vacuum Pump: 

Fig 3: Identifying Vacuum Lines On Intake Manifold
GWWA10-10701Courtesy of AUDI OF AMERICA, LLC

-- Remove vacuum lines on intake manifold as follows:

1 - For EVAP Canister, press release buttons

3 - For brake booster, remove suction jet pump -arrow- from bracket and press release buttons

4 - To Leak Detection Pump -V144-, press release buttons (only on USA vehicles)

NOTE:

Ignore -Item 2-.

Vehicles with Mechanical Vacuum Pump: 

Fig 4: Identifying Vacuum Lines From Intake Manifold
GWWA10-10891Courtesy of AUDI OF AMERICA, LLC

-- Remove vacuum lines on intake manifold as follows:

1 - For EVAP Canister, press release buttons

3 - For the Brake Booster -arrow-

NOTE:

Ignore -Item 2-.

All Vehicles: 

Fig 5: Identifying Intake Manifold Support Bolts -Arrow-
GWWA26-10497Courtesy of AUDI OF AMERICA, LLC

-- Remove bolts -arrows- and remove bracket.

-- Remove bolts -1 and 2- and remove heat shield.

-- Remove bolts -2- on main primary converter brackets.

Fig 6: Identifying Primary Catalytic Converter Bracket Bolts
GWWA26-10490Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -Item 1-.

-- Remove nuts -arrows- and remove pre-catalytic converters from exhaust manifolds.

Fig 7: Identifying Exhaust Pipe With Catalytic Converter To Exhaust Manifold Nuts -Arrows-
GWWA26-10493Courtesy of AUDI OF AMERICA, LLC

-- Remove 6 nuts each on both exhaust manifolds -arrows- and pull manifold toward right.

Fig 8: Identifying Nuts To Exhaust Manifold -Arrows
GWWA26-10494Courtesy of AUDI OF AMERICA, LLC