Power train removal
Power train removal |
To remove |
1. |
Place the car on a lift and apply wing covers.
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2. |
Open the cap on the expansion tank.
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3. |
Remove the upper engine cover and battery cover.
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4. |
Remove the battery cable.
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5. |
Remove the battery.
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6. |
Remove the glow plug control module and fuse holder from the battery tray.
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7. |
Unplug the bonnet switch connector and remove the battery tray.
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8. |
Raise the car slightly and remove the front wheels.
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9. |
Raise the car and remove the lower engine cover as well as the front spoiler shield. Unplug and remove the connector.
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10. |
Place a receptacle under the car, connect a hose to the radiator and drain the coolant.
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11. |
Remove the wing liners from both front wheel housings.
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12. |
Undo the gearbox drain plug and drain off the gearbox oil.
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13. |
Fit the drain plug.
Tightening torque 50 Nm (37 lbf ft). |
14. |
Disconnect the headlight washer fluid hose and drain the washer fluid reservoir.
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15. |
Lower the car slightly and remove the bumper.
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16. |
Remove the cover on the left-hand side.
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17. |
Remove the charge air hose between the charge air pipe and the intercooler.
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18. |
Remove the lower charge air pipe bracket from the fan cowling.
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19. |
Remove the cover on the right-hand side and remove the connectors and clips from the engine control module.
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20. |
Remove the bracket for the engine wiring harness.
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21. |
Lower the car.
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22. |
Remove the right-hand headlight.
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23. |
Undo the bonnet cable quick-release coupling by first undoing the clips in the body and then separating the quick-release coupling. Use a screwdriver.
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24. |
Detach the A/C pipe mounting from the upper radiator member.
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25. |
Undo the connector and remove the turbo solenoid valve.
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26. |
Remove the upper radiator member and the horn connector.
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27. |
Remove the turbocharger delivery hose from the throttle body and the turbo delivery pipe upper retaining bolt.
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28. |
Remove the turbo delivery pipe and hose from the turbocharger outlet.
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29. |
Remove the upper radiator hose.
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30. |
Detach the bleeder hose from the radiator.
Aut:
Detach the oil pipes from the radiator using
87 92 806 Removal tool, oil pipe, automatic transmission
.
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31. |
Remove the radiator pipe to the reservoir from the engine, two mountings, and the hose from the manifold.
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32. |
Remove the upper radiator mountings with rubber bushings.
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33. |
Hold away the A/C hose using
83 95 212 Strap
.
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34. |
Remove the electrical connection from the fan cowling.
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35. |
Remove the bolts and lift up the fan cowling.
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36. |
Remove the turbocharger intake hose.
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37. |
Remove the mass air flow sensor connector, air filter housing cover and air filter element.
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38. |
Detach the intake hose and remove the air cleaner casing.
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39. |
Remove the turbocharger intake pipe and plug it. Undo the crankcase ventilation hose.
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40. |
Detach the lower radiator hose from the engine.
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41. |
Disconnect the hose with quick coupling from the vacuum pump.
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42. |
Detach the connector from the left structural member.
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43. |
Remove the windscreen washer filler pipe.
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44. |
Remove the cover on the main fuse box and undo the two retaining screws.
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45. |
Disconnect the positive cable from the battery.
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46. |
Undo the screw securing the engine wiring harness connector in the electrical centre.
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47. |
Remove the engine harness clamp from the body and the ground cables.
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48. |
Remove the connector from the fuel filter, particle filter pressure sensor and the rear temperature sensor. Undo the cable ties securing the cable to the crash box.
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49. |
Remove the engine wiring harness from the right structural member and lift it onto the engine.
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50. |
Fold up the engine wiring harness onto the engine.
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51. |
Undo the coolant level sensor connector. Detach the expansion tank from the body and remove the tank together with the hose.
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52. |
Remove the gear cables from the gearbox. Carefully bend the cables aside and secure them to the expansion tank bracket on the body using a cable tie.
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53. |
Fit
30 07 739 Hose pinch-off pliers
to the clutch hose and disconnect the quick-release coupling from the clutch slave cylinder.
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54. |
Undo both fuel lines. Collect any fuel spill. Plug the fuel lines. Use
82 92 948 Plugs, A/C system, kit
.
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55. |
Undo the quick coupling on the right-hand coolant hose and the clips on the bulkhead. Catch any spilt coolant. Bend aside the hose and attach it to the engine.
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56. |
Option:
Undo the coolant hose leading to the parking heater on the thermostat housing. Secure the hose to the bulkhead.
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57. |
Check and adjust the steering wheel and the steering assembly so that they are pointing straight ahead.
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58. |
Raise the car.
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59. |
Detach the steering shaft from the steering gear.
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60. |
Remove the multigroove belt. Mark the direction of belt rotation.
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61. |
Unplug the A/C compressor connector and remove the A/C compressor retaining bolts.
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62. |
Undo the drive shaft centre nuts. Knock loose the drive shafts from the hubs. Use
89 96 951 Puller, drive shaft
or a brass drift with mallet.
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63. |
Undo the nuts and the outboard steering links from the steering swivel member with
87 91 287 Puller, 150 mm
.
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64. |
Disconnect the lower links of the anti-roll bar. Use a thin wrench in the keys to hold them still.
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65. |
Option:
Remove the connector for the headlamp angle sensor and undo the cable from the subframe. Remove the bracket from the suspension arm.
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66. |
Undo the lower swivel joints from the steering swivel members and lower the suspension arms.
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67. |
Undo the drive shafts and move them away.
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68. |
Remove the right-hand drive shaft.
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69. |
Remove the intermediate shaft and bracket.
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70. |
Remove the front exhaust pipe.
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71. |
Fit
83 96 145 Centring fixture, subframe - engine
to the subframe. Due to fine tolerances on the drive shafts, the centring tool must be used to position the power unit precisely to the subframe and body when refitting.
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72. |
Lower the car.
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73. |
Place the radiator member back in position.
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74. |
Fit 2 x
83 95 212 Straps
to the radiator member. Lower one strap down around the radiator assemlby. Wind an extra time around the A/C compressor to take the strain.
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75. |
Undo the left and right-hand engine mountings.
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76. |
Raise the car.
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77. |
Place
83 96 145 Centring fixture, subframe - engine
on the trolley lift. Make sure that the adjustment bolts on the 83 95 170 height adjusters are fully lowered.
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78. |
Position the trolley lift; raise and insert the guide pins in the subframe reference holes. Adjust the lifting pillars with the height adjusters, part no. 83 95 170, so that they rest evenly on the subframe. Check with the body guide pins that the subframe is positioned correctly in relation to the body. See
83 96 152 Centring tool, power unit
.
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79. |
Raise the trolley lift slightly so that it is firmly pressed against the subframe. Undo the bolts securing the subframe and subframe stay to the body.
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80. |
Carefully lower the power train on the trolley lift, making sure nothing gets caught or damaged.
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