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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 >> Overview - Secondary Air Injection System

Overview - Secondary Air Injection System

WARNING: This page is about a different variant/trim than selected.
Fig 1: Secondary Air Injection System Overview (1 Of 2)
GWWA26-10973Courtesy of AUDI OF AMERICA, LLC
  1. Secondary Air Injection Pump Motor -V101-
  2. Bracket
    • For Secondary Air Injection Pump Motor -V101-
  3. Nut
    • Tightening specification: 9 Nm
  4. Nut
    • Tightening specification: 9 Nm
  5. Nut
    • Tightening specification: 9 Nm
  6. Hose
    • From air filter housing
  7. O-Ring
    • Replace
  8. Hose
    • To Secondary Air Injection (AIR) combi-valves
  9. O-Ring
    • Replace
  10. O-Ring
    • Replace
  11. O-Ring
    • Replace
  12. Bonded Rubber Bushing
    • Quantity: 3
Fig 2: Secondary Air Injection System Overview (2 Of 2)
GWWA26-10975Courtesy of AUDI OF AMERICA, LLC
  1. Hose
    • From Secondary Air Injection Pump Motor -V101-
  2. Seal
    • Replace
  3. Bolts
    • Tightening specification: 9 Nm
  4. Vacuum Hose
  5. Right Secondary Air Injection Combination Valve
  6. Bolt
    • Tightening specification: 9 Nm
  7. O-Ring
    • Replace
  8. Secondary Air Injection Sensor 1 -G609-
  9. Bolt
    • Tightening specification: 9 Nm
  10. Left Secondary Air Injection Combination Valve
  11. Vacuum Hose
  12. Bolts
    • Tightening specification: 9 Nm
  13. Seal
    • Replace
Fig 3: Identifying Heat Shield Bolts
GWWA26-10585Courtesy of AUDI OF AMERICA, LLC

-- Tighten the heat shield bolts -arrows- -1- to 9 Nm.

Fig 4: Identifying Heat Shield Bolts
GWWA26-10847Courtesy of AUDI OF AMERICA, LLC

-- Tighten the heat shield bolts -arrows- -1- to 9 Nm.