Air Injection Control Valve: Service and Repair

Combi-Valve, Removing and Installing

Special tools






^ V.A.G 1331 Torque wrench 5 to 50 Nm (3.7 to 37 ft. lbs.), or equivalent
^ VAS 5085 conductor

Note:

^ Always replace all seals and gaskets
^ A second technician is required for installation.

Removing

- Remove engine cover.
- Remove intake hose between Air Cleaner and Secondary Air Injection pump motor -V101-.
- Remove pressure hose between Secondary Air Injection pump motor-V101 and combi-valve from combi-valve.

Note:

- Press together at end to release.

- For engine code AEG remove vacuum hose from combi-valve.
- Loosen sealing nuts on connecting pipe.
- Remove protective cover for right drive shaft.
- Unscrew connector pipe from exhaust manifold.
- Unscrew combi-valve using ratchet handle and 4 mm alien socket.

Installing

- Thread front bolts through warm air collector plate from below using tool.
- Second technician stops fasteners turning from above.
- Install 4 mm inner hex with ratchet handle in screw head.
- Have second technician position combi-valve from above and also guide it during fastening of second bolt.
^ Tightening torque: 10 Nm (7 ft. lbs.)

Note:

- Assembly is the reverse of the disassembly