Camshaft Timing Chain, Removing And Installing: Removing

-- 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 .

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

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

-- Turn the vibration damper to the "TDC point" using the Counterhold - Vibration Damper:T10355A  .

Fig 1: Identifying Vibration Damper With Counterhold - Vibration Damper T10355

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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 .

Fig 2: Removing Control Valve

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-- Remove the left and right control valves using the Assembly Tool:T10352/2  or Assembly Tool:T10352/4  in the -direction of the arrow-.

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

Fig 3: Identifying Bolts

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-- Remove the bolts -arrows-.

Fig 4: Identifying Bolts

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-- Install the Chain Tensioner Lever:T40243  -arrows-.

Fig 5: Identifying Lever T40243 -Arrows-, Installation

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

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

-- Secure the chain tensioner with the Tensioner Locking Tool:T40267  .

Fig 6: Securing Chain Tensioner With T40267

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-- Remove the Chain Tensioner Lever:T40243  .

-- Bolt the Camshaft Lock: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 Adapter:T40266  -1- if necessary.

Fig 7: Identifying Camshaft Clamp T40271/2 And Assembly Tool T40266

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-- Bolt the Camshaft Lock:T40271/1  to the cylinder head.

Fig 8: Checking T40271/1 Installation Position

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

-- Use the Adapter:T40266  to hold the exhaust camshaft securely in the direction of the -arrow A-. Remove the bolt -1- and guide the tensioning rail -2- downward. Continue to turn the camshaft clockwise -A- until the Camshaft Lock:T40271/1  can be inserted into the chain sprocket splines -C-.

-- Remove the guide rail -1- by unlocking the latch -arrow- with a screwdriver and pushing the guide rail forward.

Fig 9: Removing Guide Rail

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

Fig 10: Bolts And Chain Tensioner

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-- Press the oil pump chain tensioner bracket in the -direction of the arrow- and lock with Locking Pin (3 pc.):T40011  .

Fig 11: Identifying Chain Tensioner

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

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

Fig 12: Removing Glide Rail

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

Fig 13: Camshaft Timing Chain And Camshaft Sprocket

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

Fig 14: Chain Tensioner And Balance Shaft Timing Chain

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

Fig 15: Identifying Tensioning Rail And Glide Rails

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

Fig 16: Identifying Camshaft Timing Chain And Drive Chain

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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.