Camshaft Timing Chain: Removing

-- Observe the safety precautions. Refer to SAFETY PRECAUTIONS .

-- Follow clean working conditions. Refer to CLEAN WORKING CONDITIONS .

-- Remove the upper timing chain cover. Refer to Removing .

-- Rotate the vibration damper to the Top Dead Center (TDC) position -arrow- using the counter hold tool T10355:

Fig 1: Identifying Markings On Camshafts Aligned To Point Upward

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• The notch on the vibration damper must line up with the arrow mark on the lower timing chain cover.
• The marks -1- on the camshafts must point upward.

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

-- Remove the control valve in the -direction of the arrow- using the assembly tool T10352.

Fig 2: Identifying Assembly Tool T10352 To Remove Control Valve

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

Fig 3: Locating Bearing Bracket Bolts

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-- Press the oil pump chain tensioner in the -direction of the arrow- and secure it with a locking pin T40011.

Fig 4: Identifying Oil Pump Chain Tensioner And Locking Pin T40011

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-- Remove the oil pump chain tensioner -1-.

-- Remove the oil pump drive chain.

-- Remove the bolts -arrows-.

Fig 5: Identifying Bolts

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Two different chain tensioners may be installed depending on the version. Version 1:

Fig 6: Identifying 2 Different Chain Tensioners May Be Installed Depending On Version, Version 1

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

-- Lift the chain tensioner locking wedge -arrow 1-. Sand the end of the Locking Pin T40011 down to a point. A screwdriver with a head approximately 1.5 mm wide can also be used.

-- Slowly press and hold the Chain Tensioner Lever T40243 in the -direction of arrow 2-.

-- Secure the chain tensioner using Locking Pin T40011.

Fig 7: Identifying Chain Tensioner Using Locking Pin T4001

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Version 2: 

Fig 8: Identifying Lever T40243, Installation

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

-- Press the chain tensioner locking ring -1- together and hold it.

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

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

Fig 9: Securing Chain Tensioner With T40267

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All 

-- Remove the Chain Tensioner Lever T40243.

-- Attach the Camshaft Lock T40271/2 to the cylinder head and slide it into the chain sprocket splines in the direction of the arrow -2-. If necessary, slightly turn the intake camshaft with a wrench -1-.

Fig 10: Identifying Bolt Camshaft Locating Tool

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-- Attach the Camshaft Lock T40271/1 to the cylinder head. Hold the camshaft with a wrench in a clockwise direction -arrow-.

Fig 11: Camshaft Lock - Component 1 T40271/1 On Cylinder Head

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-- Remove the bolt -A- and remove the tensioning rail while continuing to hold the camshaft.

-- Slide the Camshaft Lock T40271/1 into the chain sprocket splines -2-. If necessary, turn the exhaust camshaft clockwise -1- further, until the camshaft locating tool can be pushed in. The camshaft timing chain must be >>loose<< between the chain sprocket.

Fig 12: Attaching T40271/1 To Cylinder Head

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-- Remove the guide rail for the camshaft timing chain -A-.

Fig 13: Identifying Bolts

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-- Remove the timing chain.