11 31 036 Removing and installing/replacing left exhaust camshaft (N62): Removal

Removal of exhaust camshaft is described separately from installation.

Remove servomotor for left eccentric shaft.

Remove ignition coils on cylinder bank 5 to 8. See IGNITION COIL .

Remove spark plugs on cylinder bank 5 to 8.

Remove inlet and exhaust adjustment unit on left side.

Remove slide rail (1).

Fig 1: Removing Slide Rail

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Rotate exhaust camshaft at hexagon head until exhaust cam on cylinder (6) is facing upwards.

Fig 2: Rotating Exhaust Camshaft At Hexagon Head

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CAUTION: Do not mix up the camshaft bearing covers of cylinders 1 to 4 and 5 to 8.

NOTE: Bearing caps of exhaust camshaft are marked on cylinder bank 5 to 8 with R A1 to R A5 from inlet side.

Release nuts and remove bearing cap R A1.

Fig 3: Removing Bearing Cap R A1

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NOTE: Retaining clips (1) for oil line are fitted on bearing caps 3 and 5.

Release nuts on bearing caps R A2 to R A5.

Fig 4: Releasing Nuts On Bearing Caps

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Remove bearing caps R A2 to R A5.

Fig 5: Removing Bearing Caps

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Remove exhaust camshaft (1).

Fig 6: Removing Exhaust Camshaft

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If necessary, replace plain compression rings (1).

CAUTION: Plain compression rings (1) can easily break.

Plain compression rings (1) are engaged at joint.

Press compression ring (1) on one side into groove, pull up on other side and remove catch.

Carefully pull compression ring (1) apart and remove towards front.

Fig 7: Removing Compression Ring

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If necessary, replace sensor gear (1).

Release screw (2) and remove sensor gear (1).

Fig 8: Removing Sensor Gear

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