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 MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 45 (2.0L EXHAUST SYSTEM, EMISSION CONTROLS - ABA (A3 PLATFORM))SECONDARY AIR INJECTION (AIR) SYSTEM, SERVICINGPNEUMATIC VALVE, CHECKINGTEST SEQUENCE
2002 Volkswagen Golf GLS, 2.0 K, Standard
Test sequence
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Test sequence
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect vacuum hose from secondary air injection solenoid valve.
- Attach US 8026 hand vacuum pump to vacuum hose.
- Disconnect pressure line from pneumatic valve.
NOTE:
Do not use compressed air for the following check.
- Connect auxiliary hose to pneumatic valve and blow into it.
Pneumatic valve must be closed.
- Operate hand vacuum pump.
Valve must open and operate smoothly (without sticking).
- Replace valve if necessary.
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.