Removing the cylinder block
Removing the cylinder block |
To remove |
1. |
Place the car on a lift.
CV : Remove the chassis reinforcement, front subframe, CV. |
3. |
Remove the drain plug and drain the engine oil. Fit the plug with a new O-ring.
Tightening torque 25 Nm (18 lbf ft). |
4. |
Remove the engine assembly, see
Power unit, to remove
.
|
5. |
Leave the power train on the trolley lift.
|
6. |
Remove the cover to the spark plugs.
|
7. |
Remove the engine wiring harness using the following method:
|
7.A. |
Unplug the connector from the charge air control valve.
|
7.B. |
Unplug the connector from the coolant temperature sensor.
|
7.C. |
Unplug the engine control module connector.
|
7.D. |
Unplug the engine control module connector.
|
7.E. |
Unplug the connector from grounding point G7.
|
7.F. |
Unplug the bypass valve connector.
|
7.G. |
Unplug the throttle body connector.
|
7.H. |
Unplug the 4 ignition coil connectors.
|
7.I. |
Unplug the connector from the ionization detection module.
|
7.J. |
M03
: Unplug the connector from the exhaust temperature sensor.
|
7.K. |
Unplug the connector from the front oxygen sensor.
|
7.L. |
Unplug the connector from the rear oxygen sensor.
|
7.M. |
Unplug the connector from the atmospheric pressure sensor.
|
7.N. |
Unplug the connector from the intake manifold pressure sensor.
|
7.O. |
Remove the power steering fluid pressure switch.
|
7.P. |
Remove the starter motor contacts.
|
7.Q. |
Cars with secondary air injection pump:
Unplug the secondary air injection pump connector.
|
7.R. |
Remove the oil pressure switch.
|
7.S. |
Unplug the connector from the crankshaft position sensor.
|
7.T. |
Unplug the EVAP canister purge valve connector.
|
7.U. |
Unplug the oil level sensor connector.
|
7.V. |
Unplug the generator connector.
|
7.W. |
Unplug connector H8-9.
|
7.X. |
Remove the reversing light switch.
|
7.Y. |
Remove the wiring harness retaining bolts. Pull out the wiring harness and lift it aside.
|
8. |
Remove the lower charge air pipe.
|
9. |
Remove the turbocharger heat shield.
|
10. |
Remove the catalytic converter heat shield.
|
11. |
Unplug the heated oxygen sensor connectors and lower the cables carefully.
|
12. |
Unplug the temperature sensor connector and lower it carefully.
|
13. |
Remove the catalytic converter from the engine block and the turbocharger. Lubricate the turbocharger studs with rust solvent oil. Lift out the catalytic converter.
|
14. |
Detach the hoses form the water-cooled oil cooler.
|
15. |
Remove the cylinder head breather hose.
|
16. |
Remove the turbocharger coolant pipe.
|
17. |
Remove the thermostat housing and pipe. Leave the hoses on the thermostat housing.
|
18. |
RH side
: Tap out the drive shaft from the intermediate shaft with a brass drift and mallet. Lift out the drive shaft.
|
19. |
Remove the intermediate shaft from the engine and gearbox.
|
20. |
LH side
: Pull out the drive shaft from the gearbox. Prise with
87 92 616 Removal tool, drive shafts
. Lift out the drive shaft.
|
21. |
Remove the LH drive shaft seal with
87 92 350 Puller, drive shaft seal
and
87 91 683 Puller
.
|
22. |
Remove the RH drive shaft seal with
87 92 350 Puller, drive shaft seal
and
87 91 683 Puller
.
|
23. |
Cars with secondary air injection pump
: Remove the pipe between the pump and the valve.
|
24. |
Remove the starter motor.
|
25. |
Remove the water-cooled oil cooler.
|
26. |
Remove the power steering pump from the cylinder head and move it aside.
|
27. |
Cars with automatic transmission
: Undo the 6 bolts holding the torque converter to the driver plate. Turn the plate with an open spanner on the pulley centre bolt. Turn clockwise.
|
28. |
Cars with automatic transmission
: Detach the plug, press the torque converter toward the transmission and fit
87 92 574 Holder
to hold the torque converter in place when removing the transmission.
|
29. |
Fit
83 96 178 Lifting eyes, B207
|
30. |
Secure the engine with an engine lift.
|
31. |
Remove the torque arms from the oil sump and gearbox.
|
32. |
Raise the engine and remove the lower gearbox retaining bolts.
|
33. |
Carefully lower the engine onto a pallet.
|
34. |
Remove the upper gearbox retaining bolts.
|
35. |
Fit
87 92 442 Lifting cable
to the gearbox and raise the gearbox slightly. Remove the gearbox from the engine.
|
36. |
Lift up the engine and fit
83 94 751 Holder, engine
. Fit the engine to the floor stand
78 74 878 Floor stand
.
|
37. |
Remove the turbocharger oil delivery pipe.
|
38. |
Remove the turbocharger oil return pipe.
|
39. |
Remove the lower turbocharger attachment bracket.
|
40. |
Remove the crankcase ventilation hose from the camshaft cover.
|
41. |
Remove the generator.
|
42. |
Cars with secondary air injection pump
: Remove the pump with bracket
|
43. |
Remove the lower intake manifold attachment bracket.
|
44. |
Remove the crankshaft position sensor.
|
45. |
Remove the bolt from the dipstick tube.
|
46. |
Fit
83 94 868 Flywheel locking attachment
to secure the flywheel.
|
47. |
Cars with manual gearbox
: Remove the bolts holding the pressure plate and remove the clutch and driven plate hub.
|
48. |
Cars with manual gearbox:
Remove the flywheel.
Cars with automatic transmission : Remove the driver plate. |
49. |
Remove
83 94 868 Flywheel locking attachment
.
|
50. |
Remove the ignition coils.
|
51. |
Remove the bracket.
|
52. |
Remove the ground cable from the camshaft cover.
|
53. |
Remove the camshaft cover.
|
54. |
Remove the engine mounting bracket.
|
55. |
Remove the belt tensioner.
|
56. |
Zero the crankshaft. Remove the crankshaft pulley with
83 95 360 Holding tool, crankshaft pulley
(shaft only) and
83 96 210 Holding tool, crankshaft pulley, B207
.
|
57. |
Remove the timing cover and gasket.
|
58. |
Remove the crankshaft seal.
|
59. |
Remove the timing chain tensioner.
|
60. |
Remove the plug from the cylinder head.
|
61. |
Remove the upper bolt from the chain guide on the inlet side.
|
62. |
Remove the upper timing chain guide rail.
|
63. |
Remove the lower chain guide bolt. Pull down the chain guide. Detach the lower section of the chain.
|
64. |
Remove the camshaft sprockets. Use a spanner to grip the camshaft flats when the bolts are loosened. Lift up the chain.
|
65. |
Remove the tensioner guide by lifting it up. Inspect the condition of the guide. Replace if necessary.
|
66. |
Remove the balancer shaft chain tensioner.
|
67. |
Remove the balancer shaft chain guide bars.
|
68. |
Remove the balancer shaft chain, sprocket and wedge.
|
69. |
Remove the cylinder head in the order shown in the illustration.
|
70. |
Remove the oil filter cover.
|
71. |
Remove the dipstick tube.
|
72. |
Lift down the cylinder block from
78 74 878 Floor stand
and remove
83 94 751 Holder, engine
.
|