Checking the timing at cylinders 1-4

NOTE: TECHNICAL INFORMATION
Due to more difficult accessibility: Exchange the screw on the special tool with an M8x15 screw.

Adjust special tool 0 496 778 (00 9 460) to 0.6 Nm.
Pretension timing chain with special tool 2 249 162 .

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Unscrew the bolts in the sequence from (4) to (1) and remove the belt pulley.

Fig 1: Belt Pulley Screws Loosening Sequence
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Note the identification MP (= installation position).
The identification MP (= installation position) is important for the installation of the special tool 0 496 366 (11 8 570) .

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Position the special tool 0 496 366 (11 8 570) on the vibration absorber and secure it with the bolt (1).
Insert special tool 0 493 882 (11 9 190) into the crankcase.
Crank the crankshaft on the central bolt using a reversible ratchet (2) in the direction of engine rotation until it is in contact with special tool 0 493 882 (11 9 190) , see figure.

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Crank the engine further on the central bolt until special tool 0 493 882 (11 9 190) can be positioned in the timing case cover.

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NOTE: The special tools can only be mounted if the ground surfaces point upward (see arrow).

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Position special tool 2 249 144 on the intake camshaft of bank 5-8 in the direction of the arrow and secure with one screw (1) each.

TIGHTENING TORQUES SPECIFICATION

Special tool, gauge to cylinder head
M6x35	Tightening torque	10 Nm

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Position special tool 2 249 159 on the exhaust camshaft and screw to special tool 2 249 144 .

TIGHTENING TORQUES SPECIFICATION

Special tool to special tool, gauges
M6x20	Tightening torque	10 Nm

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