Valve Timing, Checking:

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Only turn the crankshaft in the direction of engine rotation.

-- Turn the crankshaft by the toothed belt sprocket bolt two turns in the direction of engine rotation until the crankshaft is once again just in front of "TDC".

-- Mount the Crankshaft Lock: T10490 back on the crankshaft toothed belt sprocket.

Fig 1: Identifying Crankshaft Lock T10490

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-- Turn the crankshaft in direction of engine rotation, until the pin -arrow- on the crankshaft stop fits into the sealing flange.

If the crankshaft was turned past "TDC" : Turn the crankshaft again two turns until it is just in front of "TDC". Then secure the crankshaft from moving using the Crankshaft Lock: T10490 .

It must be possible to lock the camshaft hub with the Diesel Injection Pump Locking Pin: 3359 .

Fig 2: Identifying Diesel Injection Pump Locking Pin
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It is very difficult to find the locking point on the high pressure pump hub. A small variance -arrow- does not affect engine operation.

Fig 3: Identifying Small Deviation
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The pointer on the tensioning roller -2- must be in the middle between the tabs -1- and -3- on the base plate.

Fig 4: Identifying Tensioning Roller
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Permissible lateral offset: maximum 5 mm.

If the conditions are met, then continue with the correct valve timing. Refer to Continue if the valve timing is correct: .

If the conditions are not met, correct the valve timing. Refer to Valve Timing, Correcting: .