J 470200 Return Manifold, Replace (Y 17 DTL,
without AC, LHD)
1. Open bonnet
Caution!
On vehicles from model year 04 with ESP - the steering angle
sensor loses its basic adjustment each time the battery is
disconnected. It must be recalibrated.
2. Disconnect battery
3. Remove oil dipstick guide tube
- Remove upper bolt (1)
- Unclip vacuum hoses
4. Raise vehicle
5. Remove oil dipstick guide tube
- Remove 2 lower bolts (arrows)
- Remove oil dipstick guide tube
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6. Remove front exhaust pipe
Note: When removing
the centre muffler, a catalytic converter, an exhaust manifold, or
an exhaust manifold with catalytic converter, secure that portion
of the exhaust system remaining on the vehicle against uncontrolled
suspension.
For this purpose, the exhaust system portion including the flexpipe
may be fastened to the vehicle underbody using suitable means, e.g.
wire.
Caution!
Angular dislocations of the flexpipe as small as 5 to 10 degrees
offset from the intended installation position can already cause
damage and subsequent complete failure of the flexpipe.
7. Loosen turbocharger bracket
8. Remove turbocharger oil return hose (2).
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9. Remove turbocharger oil feed line
- Unscrew nut (1)
- Note! Counterhold at threaded port (2)
10. Detach vacuum hose from waste gate unit
11. Loosen air intake pipe.
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12. Lower vehicle
13. Remove charge air hose
- From turbocharger, centre charge air pipe
14. Remove exhaust manifold heat
shield
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15. Remove air intake pipe
- Remove 3 bolts
- Detach engine vent hose (1)
- Detach air intake pipe from turbocharger
- Release 2 clamps
- Unclip wiring harness
16. Remove oil dipstick guide tube bracket
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17. Remove turbocharger oil feed
line
- Unscrew banjo bolt (1)
- Remove seal rings
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18. Remove exhaust recirculation
pipe
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19. Detach exhaust manifold
- Remove 7 bolts, remove 2 nuts (1)
20. Remove turbocharger heat shield
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21. Detach return manifold (1)
22. Clean sealing surfaces
- Exhaust manifold, connection
23. Attach return manifold
- Tighten nuts (26.5 Nm / 19.5 lbf. ft.)
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24. Install turbocharger heat shield
- Tighten bolts (11.7 Nm / 8.6 lbf. ft.)
25. Install exhaust manifold
- Replace gasket
- Tighten bolts, nuts (23.5 Nm/17.3 lbf. ft.)
26. Attach exhaust gas recirculation pipe
- Replace gasket
- Tighten bolts (28.4 Nm / 20.9 lbf. ft.)
27. Install turbocharger oil feed line
- Renew seal rings
- Tighten banjo bolt (9.8 Nm / 7.2 lbf. ft.)
28. Attach exhaust manifold heat shield
- Tighten bolts (11.7 Nm / 8.6 lbf. ft.)
29. Install oil dipstick guide tube bracket
- Tighten nuts
- Clip in vacuum hoses
30. Raise vehicle
31. Fasten turbocharger oil feed line
- Renew seal rings
- Note! Counterhold at threaded port
- Tighten nut (9.8 Nm/7.2 lbf. ft.)
32. Install turbocharger oil return hose
33. Attach turbocharger bracket
- Tighten bolt (26.5 Nm / 19.6 lbf. ft.)
34. Connect waste gate unit vacuum hose
35. Attach front exhaust pipe
- Replace gasket, nuts
- Tighten nuts (65 Nm / 48 lbf. ft.)
36. Install oil dipstick guide tube
- Replace seal ring
- Tighten lower bolts (9.8 Nm / 7.2 lbf. ft.)
37. Lower vehicle
38. Install oil dipstick guide tube
- Tighten upper bolt (9.8 Nm / 7.2 lbf. ft.)
- Clip in vacuum hoses
39. Install air intake pipe
- Tighten bolts
- Tighten clamps (3.5 Nm / 2.5 lbf. ft.)
- Attach engine vent hose
- Attach wiring harness
40. Attach charge air hose
- Tighten clamps (3.5 Nm / 2.5 lbf. ft.)
41. Check and correct engine oil level
- Observe specified engine oil quantity
42. Connect battery
43. Calibrate steering angle sensor
Note: Rotate the
steering wheel one time from its right-hand to its left-hand
stop.
44. Program volatile memories
45. Close bonnet
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