Note: Before checking or repairing, check all air ducts and vacuum lines for tightness and leaks.
1. Coolant hose
2. 15 Nm: self-tapping screw; tighten by hand and screw in until the bolt passes the old thread; then tighten the bolt to the specified torque
3. Coolant hose
4. Coolant hose
5. Charge air cooling radiator (intercooler): after replacement change the coolant
6. Compaction
7. Gasket: replace
8. Intake manifold
9. Bolt
10. O-ring: replace
11. Intake air temperature sensor "642" / intake manifold pressure sensor "G71"
12. Boost pressure sensor "G31" / intake air temperature sensor 2 "G299"
13. O-ring: replace
14. Air duct
15. Branch pipe
16. O-ring: replace
17. O-ring: replace
18. 7 Nm: self-tapping screw; tighten by hand and screw in until the bolt passes the old thread; then tighten the bolt to the specified torque
19. Fastening bracket: air duct
20. Throttle control unit "J338"
21. O-ring: replace
22. Gasket, 4 pcs,: replace