Toothed Belt, Removing And Installing, Vehicles With Adjustable Exhaust Camshaft: Installing

-- Replace the bolts that were tightened with an additional turn.

-- Replace the O-ring for the plug if it is damaged.

-- Check the "TDC" position of the camshaft and crankshaft.

Attach the : T10494 to the camshaft housing.

Fig 1: Identifying Camshaft Lock
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NOTE:

There is a risk of damaging the camshaft if handled incorrectly.

Never use the camshaft positioning tool as a counterholder.

: T10340 installed all the way into the cylinder block and tightened to 30 Nm.

Fig 2: Identifying Crankshaft Locking Pin - T10340-
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Crankshaft in direction of engine rotation touching the : T10340 = "TDC" position.

-- Replace the bolts -1 and 2- for the camshaft sprockets and install them loosely.

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The metal tab -arrow- on the tensioning roller must fit into the cast depression in the cylinder head.

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-- Mount the crankshaft toothed belt sprocket on the crankshaft.

Fig 3: Identifying Milled Surface On Crankshaft Toothed Belt Gear

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The contact surface between the vibration damper and the crankshaft toothed belt sprocket must not have any oil or grease on it.
The milled surface -arrow- on the crankshaft toothed belt sprocket must fit on the milled surface on the crankcase pin.

Toothed Belt Bending Radius

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There is a risk of destroying a used toothed belt if the running direction is reversed.

The toothed belt is made out of a fiberglass cord webbing.

The bending radius -r- on the toothed belt -2- must not exceed 25 mm.

Otherwise the service life of the toothed belt would be impaired.

-- Install the toothed belt -1- on the crankshaft toothed belt sprocket -2- from underneath.

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-- Install the lower toothed belt guard. Refer to LOWER TOOTHED BELT GUARD, REMOVING AND INSTALLING .

-- Install the vibration damper. Refer to Installing .

Follow the Sequence when Installing the Toothed Belt

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-- Pull the toothed belt upward and route it over the idler roller -1-, the tensioning roller -2- and the camshaft sprockets -3 and 4-.

-- Adjust the valve timing. Refer to VALVE TIMING, ADJUSTING .

Further assembly is performed in reverse order.