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 MANUALSVOLKSWAGEN2003EUROVAN V6-2.8L (AXK)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSAIR INJECTIONSERVICE AND REPAIR
2003 Volkswagen Eurovan V6-2.8L (AXK)
Air Injection: Service and Repair
2003 Volkswagen Eurovan V6-2.8L (AXK)SECTION Service and Repair
Secondary Air Injection (AIR) system components, removing and installing
Notes:
- Components marked with * are checked via On Board Diagnostic (OBD)
- Components marked with ** are tested via output Diagnostic Test Mode (DTM)
- Secondary Air Injection (AIR) pump relay -J299**.
1. Cylinder head
2. Secondary Air Injection (AIR) pump motor -V101- */**
3. Bolt: Tighten to 20 Nm
4. Bracket
- For Secondary Air Injection (AIR) pump motor
5. Bracket
- for Secondary Air Injection (AIR) solenoid valve
6. Nut: Tighten to8 Nm
7. Connector
- black, 2-pin
- for Secondary Air Injection (AIR) solenoid valve
8. to - combination valve
9. to Intake manifold
10. Secondary -Air Injection (AIR) solenoid valve -N112- */**
11. Connector
- For Secondary Air Injection (AIR) pump motor
12. O-ring
- Replace if damaged
13. Intake hose
- Check for secure fitting
14. Pressure hose
- Check for secure fitting
15. Gasket
- Always replace Combination - valve Gasket
16. Bolt: Tighten to 8 Nm
17. Connecting piece
- for combination valve
18. Combination - valve
RENDER: 1.0x
NO RELATED
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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.