Camshaft Timing Chain, Removing And Installing: Removing

-- Remove the impact member, refer to IMPACT MEMBER, REMOVING AND INSTALLING .

-- Perform a service position, refer to SERVICE POSITION, PERFORMING AND RESETTING .

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

Fig 1: Identifying Control Valve

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CAUTION:

The control valve has a left thread.

-- Remove the control valve with the Central Valve Assembly Tool T10352/1 in direction of -arrow-.

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

Fig 2: Bearing Bracket Bolts

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Hybrid Vehicles

Fig 3: Identifying Crossmember -3- & Bolts

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-- Remove the bolts -1- and then remove the torque support from the crossmember -3-.

-- Free up the wires on the crossmember.

-- Remove the bolts -2- and the crossmember.

Continuation for All Vehicles

Fig 4: Identifying Markings -1- On Camshafts Aligned To Point Upward

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-- Rotate the vibration damper using the Counterhold - Vibration Damper T10355 into the "Top Dead Center (TDC)" position.

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

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

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

Fig 5: 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 6: Identifying Bolts

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Two Different Chain Tensioners May Be Installed Depending On the Version

Fig 7: Pressing Chain Tensioner Using Lever T40243 -Arrows-

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Version 1

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

-- Lift the chain tensioner locking wedge by inserting a scriber or a suitable screwdriver into the hole of the chain tensioner in direction of -arrow 1- and hold it there.

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

-- Secure the chain tensioner using the Locking Pin T40011.

Fig 8: Using Locking Pin T40011 To Secure Chain Tensioner

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Version 2

Fig 9: Pressing Chain Tensioner Using Lever T40243 -Arrows-

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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 -arrow-.

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

Fig 10: Securing Chain Tensioner With T40267

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All Versions

Fig 11: Removing/Installing Camshaft Lock T40271/2 To Cylinder Head (Intake Side)

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-- Remove the Chain Tensioner Lever T40243.

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

-- Remove the timing chain tensioning rail -2-.

Fig 12: Identifying Camshaft Timing Chain Components

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

Fig 13: Removing/Installing Camshaft Lock T40271 To Cylinder Head (Exhaust Side)

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-- Turn the exhaust camshaft with the wrench in the direction of -arrow 1- and slide the Camshaft Lock T40271 into the chain sprocket splines in direction of -arrow 2-.

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

Fig 14: Identifying Upper Guide Track

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-- Remove the guide rail for the camshaft timing chain -1-.

Fig 15: Identifying Camshaft Timing Chain Components

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-- Remove the timing chain.