Camshafts, Installing

WARNING: This page is about a different variant/trim than selected.

NOTE:

Sealing surfaces must be completely free of oil and grease.

Pay attention that all roller rocker levers rest on the valve stem ends.

-- If the crankshaft was turned in the meantime, bring the piston for cylinder 1 to TDC and then turn the crankshaft back again slightly.

-- Remove any sealant residue from the groove on the cylinder head cover as well as on the sealing surfaces.

-- Sealing surfaces must be free of oil and grease.

-- Lubricate the running surfaces of both camshafts.

-- Place the intake camshaft -A- in the cylinder head. Turn the cam lobes of cylinder 4 -arrows- upward.

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-- Insert the exhaust camshaft -1- in the cylinder head cover. Turn the cam lobes of cylinder 4 -arrows- upward.

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-- Turn the intake camshaft -1- and the exhaust camshaft -2- until the markings -arrows- are in the -position shown-.

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-- The cams of the intake camshaft -1- and the exhaust camshaft -2- must point upward as shown -arrows-.

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-- Apply the sealant on the clean sealing surface of the cylinder head cover as illustrated -arrows-.

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Sealant bead thickness: 2 to 3 mm.

-- Mount the cylinder head cover on the cylinder head.

-- Lightly push on the cylinder head cover by hand and while doing so turn the camshaft slightly until the cylinder head cover lays >>free of tension<< on the cylinder head.

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-- Replace the cylinder head cover bolts.

-- Tighten the bolts in several steps. Tightening sequence. Refer to Figure.

NOTE:

Pay attention that the cylinder head cover is not tilted.

-- Turn the intake camshaft with the :T40266 in the direction of the -arrow A- until the markings -1 and 2- align. Push the :T40271/2 in the chain sprocket splines in direction of -arrow B-.

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-- Turn the exhaust camshaft using the :T10172A in the direction of -arrow A- until the markings -1 and 2- align. Slide the : T40271/1 into the chain sprocket splines in direction of the -arrow B-. The mark -2- is offset slightly to the right.

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-- Turn the crankshaft on the hex fitting to the "TDC point". In the "TDC point" flat area -1- is upward.

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