Camshaft Timing Chain, Removing And Installing: Removing

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

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

-- Remove the right wheel housing liner. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- 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 TIMING CHAIN COVER, REMOVING AND INSTALLING .

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

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The markings -3- of the camshaft chain sprockets (notch with points behind) must point upward correspondingly.
The notch -arrow- on the vibration damper -1- and the arrow marking -5- on the lower timing chain cover 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 left and right control valves using the : T10352/4 -1- in the direction of the -arrow-.

Fig 1: Removing Control Valve

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-- Remove the bolts -1 to 6- and carefully remove the bearing bracket, do not tilt.

Fig 2: Loosening Sequence Of Control Valve

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-- Remove the bolts -arrows-.

Fig 3: Identifying Bolts

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-- Install the : T40243 -arrows-.

Fig 4: Identifying Lever T40243 -Arrows-, Installation

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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 .

Fig 5: Securing Chain Tensioner With 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 -1- if necessary.

Fig 6: Identifying Camshaft Clamp T40271/2 And Assembly Tool T40266

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

Fig 7: Checking T40271/1 Installation Position

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The help of a second technician is necessary for the following step.

-- Hold the exhaust camshaft with the : T40266 -arrow A-. Remove the bolt -1- and guide the tensioning rail -2- downward. Turn the camshaft clockwise in direction of -arrow A- until the : T40271/1 can be pushed in the chain sprocket splines -C-.

-- Remove bolts -arrows- and remove guide rail -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 -2-.

-- Remove the oil pump chain from the crankshaft chain sprocket and remove toward the front and place below on the oil pump chain sprocket.

-- Remove the guide pin -1- and the guide rail -2-.

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-- Remove the camshaft timing chain from the camshaft sprockets and remove downward.