Camshaft Timing Chain, Removing And Installing: Removing

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

-- Support the engine in the installation position. Refer to ENGINE, SUPPORTING IN INSTALLATION POSITION .

-- Remove the engine mount. Refer to ENGINE MOUNT, REMOVING AND INSTALLING .

-- Remove the engine support. Refer to ENGINE SUPPORT, REMOVING AND INSTALLING .

-- Remove the upper timing chain cover. Refer to UPPER TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Remove the noise insulation. Refer to NOISE INSULATION .

-- Remove the right wheel housing liner. Refer to WHEEL HOUSING LINER .

-- Turn the vibration damper with the :T10355 to the "TDC point".

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The markings -1- on the camshaft chain sprockets must be opposite the markings -2 and 3-.
The notch on the vibration damper and the marking on the lower timing chain cover -arrow- must be align.

-- Remove the lower timing chain cover. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .

NOTE:

The control valve has left-hand thread.

-- Remove the control valve in the direction of the -arrow- using the :T10352/2 .

-- Remove the bolts -arrows- and remove the bearing bracket.

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-- Remove the bolts -arrows-.

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-- Install the :T40243 -arrows-.

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-- Press the chain tensioner circlip -1- together and hold it.

-- Slowly press and hold the :T40243 in the direction of -arrow-.

-- Secure the chain tensioner with the :T40267 .

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-- Remove the :T40243 .

-- Bolt the :T40271/2 to the cylinder head and slide into the splines on the chain sprocket in the direction of the -arrow 2-. Rotate the intake camshaft with the :T40266 in direction of -arrows 1- if necessary.

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-- Install the :T40271/1 on the cylinder head.

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A second technician is necessary for the following step.

-- Hold the exhaust camshaft securely with the :T10172A in direction of the -arrow A-. Remove the bolt -1- and guide the tensioning rail -2- downward. Turn the camshaft clockwise until the :T40271/1 in the direction of the -arrow B- can be pushed in the chain sprocket splines -C-.

-- Remove the guide rail -1-. To do so, release the retainer -arrow- with a screwdriver and push the guide rail off toward the front.

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-- Remove the bolts -arrows- and remove the chain tensioner -1-.

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-- Press the oil pump chain tensioner bracket in direction of -arrow- and lock with :T40011 .

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-- Remove the bolt -1- and remove the chain tensioner.

-- Remove the bolts -1- and remove the glide rail -2-.

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-- Remove the camshaft timing chain from the camshaft sprockets and hang it on the camshaft pins -arrows-.

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-- Remove the chain tensioner -1- for the balance shaft timing chain.

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-- Remove the bolts -1-. Remove the tensioning rail -2- and the glide rails -3 and 4-.

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-- Loosen the adjusting bolt -A- and remove the tensioning pin -B-.

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-- Remove the oil pump drive timing chain to remove the three stage chain sprocket.

-- Remove the camshaft timing chain and drive chain for the balance shaft.