Exhaust Gas Recirculation Valve, Checking

Exhaust Gas Recirculation Valve, Checking

Special tools, testers and auxiliary items required

• Hand vacuum pump (VAG1390)





Test Sequence

- Remove connection pipe between charge air pipe and motor for intake flap.

- Disconnect vacuum hose at EGR valve.

- Connect hand vacuum pump to the valve.

- Operate hand vacuum pump and observe diaphragm rod.





Diaphragm rod must move in direction of arrow.

- Disconnect hose of hand vacuum pump from EGR valve.

Diaphragm rod must move back in opposite direction of arrow into the output position.