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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (3.0L - Exhaust System & Emission Controls - Engine Code(S): CJTB, CJTC, CNAA, CJWB, CJWC, CJWE, CTWA, CTWB) >> 26 Exhaust System, Emission Controls >> Secondary Air Injection System >> Secondary Air Injection Left Combination Valve, Removing And Installing >> Removing

Secondary Air Injection Left Combination Valve, Removing And Installing: Removing

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

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

Remove the left front wheel. .

NOTE:

Ignore item -3-.

-- Remove the connectors -1 and 2- from the bracket at the back of the left cylinder head and move them to the side.

Fig 1: Electrical Connectors On Left Rear Of Engine
GWWA15-10926Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and the heat shield -1-.

Fig 2: Identifying Heat Shield Bolts
GWWA26-10585Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -3- for the secondary air hose.

-- Remove the vacuum line -2- from the secondary air injection combination valve.

-- Remove the bolts -1- and remove Secondary Air Injection (AIR) combi-valve.

Fig 3: Identifying Vacuum Line -2- And Secondary Air Injection (Air) Combination Valve
GWWA26-10424Courtesy of AUDI OF AMERICA, LLC