Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (3.0L - EXHAUST SYSTEM & EMISSION CONTROLS - ENGINE CODE: CCAA)26 EXHAUST SYSTEM, EMISSION CONTROLSDESCRIPTION AND OPERATIONSECONDARY AIR INJECTION SYSTEM OVERVIEW
2009 Audi A6 Base
Secondary Air Injection System Overview
2009 Audi A6 BaseSECTION Secondary Air Injection System Overview
WARNING: This page is about a different variant/trim than selected.
- Secondary Air Hose
- O-rings
- Replace
- Secondary Air Injection Pump Motor -V101-
- Removing and installing, refer to SECONDARY AIR INJECTION PUMP MOTOR
- Attach the connector to the bracket
- Checking in Guided Functions vehicle diagnostic tester
- Bonded Rubber Bushing
- Bracket
- For AIR pump motor
- Nut
- 9 Nm
- Bolt
- 9 Nm
- Gasket
- Replace
- Screws
- 9 Nm
- Vacuum Hose
- Right AIR Combination Valve
- Checking, refer to SECONDARY AIR INJECTION COMBINATION VALVES, CHECKING FOR FUNCTION AND LEAKS
- Removing and installing, refer to SECONDARY AIR INJECTION RIGHT COMBINATION VALVE
- Bolt
- 9 Nm
- O-ring
- Replace
- Secondary Air Injection Sensor 1 -G609-
- Removing and installing, refer to Secondary Air Injection Sensor 1 -G609-
- AIR Pipe
- Bolt
- 9 Nm
- Left AIR Combination Valve
- Checking, refer to SECONDARY AIR INJECTION COMBINATION VALVES, CHECKING FOR FUNCTION AND LEAKS
- Removing and installing, refer to SECONDARY AIR INJECTION LEFT COMBINATION VALVE
- Vacuum Hose
- Bolts
- 9 Nm
- Gasket
- Replace
- Secondary Air Hose
- O-rings
- Replace
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.