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Removing the camshaft drive

Removing the camshaft drive

(Engine removed)



1. Drain the engine oil. Detach the cables from the starter motor, generator and oil pressure sensor.

2. Remove the oil filler pipe and remove the intake manifold steady bar.

3. Remove the crankcase breather pipe with inlet pipe and undo the turbocharger nuts (turbo)nuts


4. Slacken the bolts securing the turbocharger steady bar and remove the water pipe for the turbocharger from the thermostat housing (turbo).

5. Disconnect the throttle body preheating hose and remove the bolts from the thermostat housing cover.

6. Unplug the ignition discharge module connector (turbo) and disconnect the crankcase breather and vacuum hoses from the camshaft cover.

7. Remove the cover plate and ignition cables or ignition discharge module and move the module aside. Remove the spark plugs.

8. Remove the camshaft cover, line up the 0° mark on the flywheel with the timing mark and check that the timing marks on the camshafts are also in line.

9. Remove the chain tensioner. After removing the plug a 27 mm socket can be used.

10. Remove the camshaft sprockets and position the chain so that it will not obstruct removal of the cylinder head.

11. Remove the cylinder head. Start with the timing cover bolts and continue in reverse assembly order. Use protective collar 75 19 531 to collect the bolts.

12. Wipe up any oil that has run out. Make sure that the timing chain does not obstruct removal.

13. Lift off the cylinder head.

14. Remove the protective plate and sump. Do not remove the guide sleeve from the cylinder block. Wipe off all surplus oil.


15. Remove the crankshaft pulley. Use flywheel locking segment 83 94 868.


16. Remove the water pump complete with sleeve and O-rings.


17. Remove the belt tensioner, alternator and the bolt for the support bearing bracket in the timing cover.

18. Remove all the timing cover bolts, carefully tap it out of the guides and lift it away.