Remove
- 1. Detach charge air hose (1) from throttle valve housing (3) • Release clamp (2)
- 2. Detach lower radiator hose elbow (1) from thermostat housing (2) • Release clamp (3)
- 3. Detach upper radiator hose elbow (3) from coolant pump (1) • Release clamp (3)
- 4. Detach charge air hose (3) from intercooler (1) • Release clamp (2)
- 5. Detach coolant return hose (1) to coolant expansion tank. • Release clamp (2)
- 6. Lever cooling module from front axle body
Note. Use a second person
- 7. Detach air conditioning lines (1) from compressor • Unscrew 2x bolts (2)
- 8. Place collecting basin underneath.
- 9. Detach exhaust manifold heat shield • Unscrew 3x bolts (1)
- 10. Detach turbocharger intake pipe (5) • Detach wiring harness – Undo cable tie – Disconnect charge-air control wiring harness plug (3) – Disconnect compressor wiring harness plug • Detach cylinder head cover vent line (1) – Undo quick-release fitting • Pull off vacuum control for recirculating air (4) • Remove vacuum pipe from turbocharger (2) – Release clamp • Unscrew 2x bolts (6)
- 11. Remove oil dipstick guide tube (1) • Detach oil return hose from turbocharger – Unscrew 2x bolts (2) • Withdraw oil dipstick guide tube from oil pan (3)
- 12. Remove exhaust manifold heat shield
- 13. Remove extra catalytic converter (3) with oxygen sensor mixture control (2) and heat shield • Disconnect wiring harness plug of oxygen sensor mixture control (1) • Release clamp (4)
- 14. Remove coolant supply line to turbocharger (1) • Release clamp (3) • Unscrew bolt (2) • Unscrew banjo bolt (4)
- 15. Detach turbocharger coolant return line (1) from thermostat housing (3) • Undo quick-release fitting – Pull off retaining ring (2)
- 16. Detach oil supply hose from turbocharger (2) • Unscrew banjo bolt (1)
- 17. Detach exhaust manifold with turbocharger from cylinder head • Unscrew 9x nuts (arrows)
- 18. Detach turbocharger oil feed line (1) • Twist turbocharger oil feed line forward by approx. 90° • Pull turbocharger oil feed line out of oil filter housing in direction of arrow
- 19. Detach coolant pipe (1) from thermostat housing • Unscrew 2x bolts (2) • Push coolant pipe into oil filter housing (3)
- 20. Detach coolant pipe (1) from coolant pump • Unscrew 2x bolts (2) • Push coolant pipe into oil filter housing
- 21. Remove oil filter housing (3) • Detach coolant pipe (1) and push into oil filter housing – Unscrew bolt (2) • Unscrew 4x bolts (4)
- 22. Detach ribbed V-belt (1) • Mark direction of rotation • Tighten ribbed V-belt tensioner (2) in direction of arrow and fix with KM-6130 (3) – Remove ribbed-V-belt
- 23. Remove compressor • Disconnect compressor wiring harness plug • Unscrew 3x bolts
- 24. Attach KM-412-31 (1)
- 25. Detach intermediate shaft (1) with support (2) from engine/gearbox • Unscrew 3x bolts (3) • Pull intermediate shaft out of gearbox
- 26. Attach KM-412-31 (1)
- 27. Hitch engine up to workshop crane. • Attach suspension cable to engine transport shackle
- 28. Detach front engine damping block • 1 bolt (1)
- 29. Detach rear engine damping block • 1 bolt (2)
- 30. Lever engine from front axle body
- 31. Attach engine to engine overhaul stand KM-412 • Detach suspension cable from engine transport shackle
Note. 2 people
- 32. Remove starter
- 33. Detach transmission from engine • Unscrew 8x bolts
Note. One bolt remains screwed in for safety
- 34. Remove gearbox • Attach suspension cable • Hitch gearbox up to workshop crane. • Unscrew bolt
Note. Ensure that the ancillaries and wiring harnesses are not damaged
Install
- 35. Install gearbox • Hitch gearbox up to workshop crane. • Attach transmission to engine • Screw in bolt • Remove workshop crane • Remove suspension cable
- 36. Attach transmission to engine • Tighten 9x bolts – 40 Nm (M10) – 60 Nm (M12)
- 37. Install starter
- 38. Hitch engine up to workshop crane. • Attach suspension cable to engine transport shackle
- 39. Detach engine from engine overhaul stand KM-412 • Carefully lift engine
Note. Use a second person
- 40. Attach engine damping block rear to front axle body • Attach bolted connection – Tighten new nut 55 Nm
- 41. Attach front engine damping block to front axle body • Attach bolted connection – Tighten new nut 55 Nm
- 42. Detach KM-412-31-1 and KM-412-31-2 from cylinder block • Unscrew 6x bolts
- 43. Attach intermediate shaft with support to engine/gearbox • Tighten 3x bolt 55 Nm
- 44. Fit compressor • Tighten 3x bolt
- 45. Install ribbed V-belt
- 46. Install oil filter housing • Tighten 4x bolt 25 Nm • Insert 3x new gaskets • O-rings with white silicone grease
- 47. Attach coolant pipe to pump module • Pull coolant pipe from oil filter housing • Attach coolant pipe to oil filter housing – Tighten bolt 25 Nm
- 48. Attach coolant pipe to pump module • Pull coolant pipe from oil pump housing • Tighten 2x bolts
- 49. Attach coolant pipe oil filter housing to thermostat housing • Replace 2x seals • Push into oil filter housing • Attach to thermostat housing – Tighten 2x bolts
- 50. Install turbocharger oil feed line
- 51. Attach exhaust manifold with turbocharger to cylinder head • Tighten 9x nut 20 Nm
Note. Use new seal
- 52. Attach turbocharger oil feed line to turbocharger • Tighten banjo bolt 30 Nm
- 53. Attach turbocharger coolant return line to thermostat housing • Connect quick-release fitting – Attach retaining ring
- 54. Install coolant supply line to turbocharger • Attach clamp • Tighten bolt • Tighten banjo bolt 35 Nm
- 55. Install extra catalytic converter with oxygen sensor mixture control • Tighten clamp 7 Nm • Connect wiring harness plug of catalytic converter monitor oxygen sensor
- 56. Insert exhaust manifold heat shield
- 57. Attach dipstick guide tube • Insert oil dipstick guide tube in oil pan • Tighten bolt • Attach turbocharger oil return hose – Attach clamp – Tighten 2x bolt 8 Nm
- 58. Install turbocharger intake pipe • Tighten 2x bolts • Attach wiring harness – Attach cable tie – Connect charge-air control wiring harness plug – Connect compressor wiring harness plug • Attach cylinder head cover vent line – Connect quick-release fitting • Push on vacuum control for recirculating air • Attach vacuum line to turbocharger – Attach clamp
- 59. Attach exhaust manifold heat shield • Tighten 2x bolt 8 Nm
- 60. Attach air conditioning lines to compressor • Tighten 2x bolt 20 Nm
- 61. Place cooling module on front axle body
Note. Use a second person
- 62. Attach lower radiator hose elbow to thermostat housing • Attach clamp
- 63. Attach coolant return hose to coolant expansion tank • Attach clamp
- 64. Attach charge air hose to intercooler • Tighten clamp 3.5 Nm
- 65. Attach upper radiator hose elbow to coolant pump • Attach clamp
- 66. Attach charge air hose to throttle valve housing • Release clamp