–
| Connect hand vacuum pump -VAS 6213- or -V.A.G 1390- to valve. |
–
| Operate pump and observe. |
| The diaphragm must move in the direction of the vacuum connection. |
–
| Detach hose of hand vacuum pump from mechanical exhaust gas recirculation valve. |
| The diaphragm must move back to its original position against the direction of the arrow. |
|
|
|