Camshaft Timing Chain, Removing And Installing: Removing

• The transmission is removed.

-- Remove the timing chain cover lower section, refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .

Fig 1: Identifying Crankshaft Key T40049

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-- Secure the Crankshaft Key T40049 on the rear side of the crankshaft -arrows-.

Fig 2: Identifying Crankshaft Key Tool T40049

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NOTE:

The Camshaft Adjustment Pins T40060 has a flat part -2- which makes it easier to insert if the holes on the camshaft and the cylinder head are slightly offset.

Fig 3: Identifying Adjustment Pin T40060

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Insert the pin so that the bolt -1- is perpendicular to the camshaft axle.

Move the bolt -1- 90° in direction of -arrow- so that it is perpendicular to the camshaft axle and it is possible to attain the correct Top Dead Center (TDC) position.

-- Rotate the crankshaft to "TDC" :

Fig 4: Installing Camshaft Adjustment Pins T40060

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• It must be possible to secure the camshafts with the Camshaft Adjustment Pins T40060.
• The bolt -arrow- in the Camshaft Adjustment Pins T40060 must be perpendicular to the center line of the camshaft on cylinder bank 1 (right).

• The bolt -arrow- in the Camshaft Adjustment Pins T40060 must be perpendicular to the center line of the camshaft on cylinder bank 2 (left).
  Fig 5: Installing Camshaft Adjustment Pins T40060 (Left Cylinder Head)

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-- Remove the sealing plug -arrow- from the upper section of the oil pan.

Fig 6: Identifying Oil Pan Sealing Plug (Upper Section)

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-- Install the Locking Pin For Crankshaft T40237 in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.

Fig 7: Crankshaft Holder 3242

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-- Push the tensioning track of chain tensioner for the camshaft timing chain in direction of -arrow- and secure the chain tensioner with the Pin T40316 -1-.

Fig 8: Identifying Pin T40316

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-- Remove the guide pins -2- and remove the tensioning rail.

-- Remove the bolt -arrow- for the jump protector.

Fig 9: Identifying Bolt

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-- Remove the Camshaft Adjustment Pins T40060 from both camshafts.

Fig 10: Camshaft Sprocket Bolts (Left Cylinder Head)

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-- Remove the bolts -arrows-.

-- Remove the bolts -arrows-.

Fig 11: Identifying Bolts

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-- Remove the camshaft sprockets and the camshaft timing chain.