Replace exhaust manifold gasket (Z 12 XE, Z 14
XEP, with air conditioning, LHD)
Note: On vehicles as
of model year 04 with ESP - the steering angle sensor loses its
basic adjustment each time the battery is disconnected. It must be
recalibrated.
Remove
4. |
Remove front exhaust pipe
Note: When removing the
centre muffler, a catalytic converter, an exhaust manifold, or an
exhaust manifold with catalytic converter, secure the portion of
the exhaust system remaining on the vehicle to prevent uncontrolled
sagging
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For this purpose, the exhaust system portion including the
flexpipe may be fastened to the vehicle underbody using suitable
means, such as wire
Note: Angular
dislocations of the flexpipe as small as 5 to 10 degrees offset
from the intended installation position can cause damage and
subsequent complete failure of the flexpipe.
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5. |
Remove ribbed V-belt cover
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6. |
Remove ribbed V-belt
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Tension ribbed V-belt tensioner in direction of arrow with
KM-6131 (2)
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Remove from compressor ribbed V-belt pulley
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7. |
Loosen compressor
Note: The air
conditioning system remains closed
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9. |
Detach intake pipe (1)
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Pull suction pipe from bracket
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10. |
Remove heated oxygen sensor for mixture regulation
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Disconnect wiring harness connector.
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Unclip cable from bracket
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Carefully unscrew using KM-6129
(1)
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11. |
Remove oil dipstick guide tube
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12. |
Remove exhaust manifold heat shield
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13. |
Remove compressor
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Disconnect wiring harness connector.
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14. |
Remove exhaust manifold
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Remove exhaust manifold from below
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Install
15. |
Clean sealing surfaces
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Cylinder head, exhaust manifold
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16. |
Install exhaust manifold
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Tighten 9 nuts 15 Nm (wait for
30 sec. and then 15 Nm again)
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18. |
Attach exhaust manifold heat shield
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19. |
Install oil dipstick guide tube
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20. |
Install oxygen sensor, mixture regulation, heated
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Apply assembly paste to threads
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Tighten oxygen sensor with KM-6129
40 Nm
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Connect wiring harness plug
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22. |
Fasten compressor
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Tighten 2 lower bolts 20 Nm
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23. |
Install ribbed V-belt
Note: Observe running
direction and installation position
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Relax ribbed V-belt tensioner with KM-6130
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24. |
Install ribbed V-belt cover
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25. |
Attach front exhaust pipe
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27. |
Fasten compressor
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Connect wiring harness plug
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30. |
Program volatile memory
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31. |
In vehicles with ESP: calibrate steering angle sensor
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Rotate the steering wheel one time from its right-hand to its
left-hand stop
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