Instruction. The exhaust gas recirculation system is controlled by the engine control unit via the exhaust gas recirculation valve -N18- to the mechanical exhaust gas recirculation valve. Exhaust gas recirculation is switched off at idle speed after approx. 2 minutes.
exhaust gas recirculation system (engines AMF, VNS):
1. Gasket. Replace
2. Nut. 22 Nm.
3. Bolt. 22 Nm
4. Intake manifold
5. Power vacuum pneumatic element of the intake manifold flap
6. Bolt. 8 Nm
7. O-ring. Replace
8. Mechanical EGR valve with intake manifold flap. Check
9. Bolt. 10 Nm
10. Suction pipe laying. Replace. Mounting position: cross member facing upwards
11. Gasket. Replace
12. Bolt. 22 Nm
13. Connecting pipe for exhaust gas recirculation, first tighten loosely when installing and then finally screw in the bolted connections
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