Engine Code AHU

NOTES:
- All hose connections are secured with clips.
- Charge air system must be free of leaks.
- Replace self-locking nuts.

1. Exhaust manifold
2. 35 Nm (26 ft lb)
- Always replace
- Coat threads and bolt head sealing surfaces with high temperature (2000°F) anti-seize compound
3. Intake manifold
4. From charge air cooler
5. Hose
- Black
- To Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-
6. Gasket
- Always replace
- Coating (beading) faces intake manifold
7. 25 Nm (18 ft lb)
8. Gasket
- Note installation position
9. 25 Nm (18 ft lb)
10. 10 Nm (7 ft lb)
- Install using D6
11. Circlip
12. Turbocharger wastegate
13. Hose
- Blue
- To wastegate bypass regulator valve -N75-
- Connecting, Diagrams
14. Oil seal
- Always replace
15. Banjo bolt
- 15 Nm (11 ft lb)
16. From air cleaner
17. O-ring
- Replace if damaged
18. 10 Nm (7 ft lb)
19. Banjo bolt
- 30 Nm (22 ft lb)
20. Oil return line
- To cylinder block
21. 30 Nm (22 ft lb)
22. Gasket
- Always replace
23. Retainer
24. Hose
- Red
- To wastegate bypass regulator valve -N75-
- Connecting, Diagrams
25. Turbocharger
26. To charge air cooler
27. Front exhaust pipe
28. Oil supply line
- From oil filter bracket
29. Heat shield