Checking The Timing

Using adapter T40058 and an angled ring wrench, turn the crankshaft to "TDC" in direction of rotation of the engine.
Only turn the crankshaft in direction of rotation of the engine -arrow-!

Fig 1: Turning Crankshaft
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The notch -A- must be aligned with the joint -arrow- .

Fig 2: Identifying Notch And Joint
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Information

If you inadvertently turn the crankshaft beyond "TDC", turn it back approx. 30° and set it to "TDC" again.
The threaded bores -arrows- in the camshafts must be facing upwards.

Fig 3: Locating Threaded Bores In Camshafts
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Unscrew screw plug -arrow- for the "TDC" mark on the crankshaft from the cylinder block.

Fig 4: Locating Screw Plug For TDC Mark
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Locking pin T40069 must be screwed into the bore and tightened to → Tightening torque: 25 Nm (19 ftlb.) .
The locking pin T40069 must engage in the securing bore on the crankshaft -1- .

Fig 5: Identifying Locking Pin T40069
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You must be able to secure the camshaft for cylinder bank 1 in "TDC" position using camshaft clamps T40133 .

Fig 6: Locating Camshaft Clamp T40133/1
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You must be able to secure the camshaft for cylinder bank 2 in "TDC" position using camshaft clamps T40133 .

Fig 7: Locating Camshaft Clamp T40133/2
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If the camshafts cannot be secured, the valve timing must be set.