Secondary air injection system components, removing and installing

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.

NOTE: Complete system is checked using on board diagnostic. See appropriate On Board Diagnostic (OBD) article.

The following list pertains to Fig 1 .

Pneumatic valve
- Checking, see EXHAUST MANIFOLD, FRONT PIPE AND THREE WAY CATALYTIC CONVERTER (TWC)
To brake servo line connector
Vacuum hose
2-pin harness connector
Secondary Air Injection (AIR) solenoid valve
- Checking, see EXHAUST MANIFOLD, FRONT PIPE AND THREE WAY CATALYTIC CONVERTER (TWC)
Pressure hose
- Ensure it is securely seated
Secondary Air Injection (AIR) system pump motor bracket
10 Nm (7 ft lb)
A/C hose bracket
10 Nm (7 ft lb)
25 Nm (18 ft lb)
Secondary Air Injection (AIR) system pump motor
- Checking, see SECONDARY AIR INJECTION PUMP MOTOR, CHECKING
Secondary Air Injection (AIR) pump intake hose
To Air Cleaner
To exhaust manifold union
30 Nm (22 ft lb)
Connector tube
10 Nm (7 ft lb)
10 Nm (7 ft lb)
Pneumatic valve connector housing
25 Nm (18 ft lb)
Gasket
- Always replace
Union

Fig 1: Identifying Secondary Air Injection System Components

Courtesy of VOLKSWAGEN OF AMERICA, INC.