| Exhaust gas recirculation system |

Note | t
| The exhaust gas recirculation system is operated by the diesel direct injection system control unit -J248 - via the EGR valve -N18- to the mechanical exhaust gas recirculation valve. |
| t
| The mechanical exhaust gas recirculation valve with conically shaped valve tappet makes it possible to achieve different opening cross-sections at different valve strokes. |
| t
| Any desired valve position is possible as a result of the pulsed operation. |
| t
| Connection diagram for vacuum hoses → Chapter. |
| t
| Always replace self-locking nuts. |
|
|
|