Exhaust gas recirculation system:
1. Intake manifold
2. O-ring, replace
3. Air intake pipe with mechanical EGR valve and intake manifold flap
4. Mechanical valve of the exhaust gas recirculation system, built into the air intake pipe
5. 10 Nm
6. From the intercooler
7. Exhaust manifold
8. Gasket, replace
9. EGR radiator
10. 25 Nm
11. From the connecting nipple
12. 25 Nm
13. To the heater heat exchanger