Install The Camshaft Timing Chain

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-- Engage the camshaft timing chain with the painted links -arrows- on the camshaft pins.

-- Place the camshaft timing chain on the intake camshaft, exhaust camshaft and the crankshaft. Position the painted chain links -arrows- on the markings on the chain sprockets.

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-- Install the guide rail -2- and tighten the bolts -1-.

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-- Install the upper glide rail -1-.

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A second technician is needed for the following step.

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I - Turn the exhaust camshaft with the :T10172  slightly in the direction of the -arrow A- and pull the :T40271/1  out of the chain sprocket splines in direction of -arrow B-.

II - Release the camshaft in the direction of -arrow C-, until the timing chain touches the glide rail -1-. Hold the camshaft ion this position, install the tensioning rail -2- and tighten the bolts -3-. Release the camshaft.

-- Turn the intake camshaft with the :T40266  in the direction of the -arrow 1- until the :T40271/2  can be pushed out of the chain sprocket splines in the direction of the -arrow 2-. Release the camshaft.

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-- Remove the :T40271/1  and :T40271/2  .

-- Install the bolts -arrows- and tighten them. Tightening specification: -item  ) OVERVIEW - CYLINDER HEAD-.

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-- Coat the holes -arrows- with engine oil.

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Vehicles Without Adapter Sleeve 

-- Mount the bearing bracket and the bolts -arrows- hand-tight.

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Vehicles With Adapter Sleeve 

-- Attach the bearing mount. Do not tilt it when doing this. Tighten the bolts -1 to 6- hand-tight.

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-- If an adapter sleeve is installed, this will be moved with the bolt -1- in the cylinder head.

Continuation For All Vehicles 

-- Remove the :T40267  .

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-- Tighten the bearing bracket bolts -arrows-. Tightening specification. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

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-- Install the chain tensioner -2-. The wire clip must come in to contact with the oil pan upper section opening -arrow-. Tighten the bolt -1- and remove the :T40011  .

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-- Check the adjustment. The painted chain links -arrows- must line up with the markings on the chain sprockets.

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-- Install the control valve. Refer to Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING .

-- Let the engine turn a second time in the direction of engine rotation.

-- Remove the :T10531/4  and remove the :T10531/3  .

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

-- Install the vibration damper. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .

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

-- Install the ribbed belt tensioning damper. Refer to RIBBED BELT TENSIONER, REMOVING AND INSTALLING .

-- Install the ribbed belt. Refer to RIBBED BELT, REMOVING AND INSTALLING .

-- Install the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING .

-- Install the high pressure pump. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

Installation is performed in reverse order of removal, while noting the following:

-- After performing work on the chain drive the adaptation value in the engine control module must be adapted. To do so, turn on the ignition and select the following menu items on the Vehicle Diagnostic Tester:

• 01 - Engine Electronics 
• Guided Functions 
• 01 - Adaptation After Repair Work On The Chain Drive