Camshaft Timing Chain: Removing

-- Support the engine in its installed position, refer to ENGINE, SUPPORTING IN INSTALLED POSITION .

-- Remove the engine bracket, refer to ENGINE MOUNT .

-- Remove the engine support, refer to ENGINE SUPPORT .

-- Remove the upper timing chain cover, refer to UPPER TIMING CHAIN COVER .

-- Remove the noise insulation, refer to NOISE INSULATION OVERVIEW . .

-- Turn the vibration damper with the Counterhold - Vibration Damper T10355 to the "TDC point".

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 cover for timing chain -arrow- must be opposite one another.

-- Remove the left and right pilot valves using the Assembly Tool T10352/2 in the direction of the -arrow-.

Fig 2: Identifying Assembly Tool T10352/2

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

Fig 3: Identifying Bolts

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-- Remove the lower timing chain cover, refer to LOWER TIMING CHAIN COVER .

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

Fig 4: Identifying Locking Pin T40011

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

-- Remove the bolts -arrows-.

Fig 5: Identifying Bolts

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

Fig 6: Identifying Lever T40243 -Arrows-, Installation

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-- Press the chain tensioner locking ring -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 7: Securing Chain Tensioner With T40267

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-- Remove the Chain Tensioner Lever T40243.

-- Bolt the Camshaft Locks 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 8: Identifying Camshaft Clamp T40271/2 And Assembly Tool T40266

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-- Remove the bolt -2- and remove the camshaft timing chain tensioning rail.

Fig 9: Identifying Tensioning Rail For Camshaft Timing Chain

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-- Install the Camshaft Locks T40271/1 on the cylinder head.

Fig 10: Identifying Camshaft Clamp T40271/1

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-- Turn the exhaust camshaft with the Adapter T40266 in the direction of the arrow -1- until the Camshaft Locks T40271/1 can be pushed into the chain sprocket splines -2-.

-- Remove the upper guide track -arrow- by unlocking the latch with a screwdriver and pushing the guide track forward.

Fig 11: Identifying Upper Guide Track

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-- Remove the bolts -A- and then remove the camshaft timing chain glide track.

Fig 12: Identifying Bolts

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

Fig 13: Identifying Camshaft Pins

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

Fig 14: Balance Shaft Timing Chain, Tensioning Rail And Guide Rails

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-- Remove the bolt -2- and remove the tensioning rail.

-- Remove the bolts -4- and the guide rail.

-- Loosen the adjusting bolt -A- and remove the Tensioning Pins T10531/2 -B-.

Fig 15: 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 camshaft timing chain.