Camshaft Timing Chain, Removing From Camshafts: Removing

NOTE:

The Camshaft Timing Chains Stay On The Engine In The Following Description.

-- Remove the cylinder head: Left, refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING , Right, refer to RIGHT CYLINDER HEAD COVER, REMOVING AND INSTALLING .

-- Remove the respective timing chain cover: Left, refer to LEFT TIMING CHAIN COVER, REMOVING AND INSTALLING . Right, refer to RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Position the :T40257 onto the :T40263 .

Fig 1: Identifying Notch -Arrow A- On T40257 Must Face Color Dash -Arrow B- On Vibration Damper

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-- Place the :T40257 on the vibration damper bolts and turn the crankshaft in the direction of engine rotation in direction of -arrow- to "TDC".

The threaded holes -arrows- in the camshafts must face upward.

Fig 2: Facing Threaded Holes In Camshafts Upward (As Shown)
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-- :T40070 mounted on both cylinder heads and tightened to 25 Nm -arrows-.

Fig 3: Mounting Camshaft Locating Tool T40070 To Both Cylinder Heads

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The :T40070 is correctly positioned when the holes for the cylinder head bolts remain free.

-- Remove the drain plug -arrow- from the upper part of the oil pan by using a long hex socket wrench with ball head.

Fig 4: Identifying Locking Bolt Of Upper Part Of Oil Pan

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-- Install the :3242 in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.

Fig 5: Identifying Crankshaft Holder 3242

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-- Press the left camshaft timing chain tensioner guide rails in as far as the stop using a screwdriver -1- and secure the chain tensioner with a :T40071 .

Fig 6: Pressing Left Camshaft Timing Chain Tensioner Glide Track Inward And Securing Chain Tensioner With Locking Pin T40071

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NOTE:

The Toothed Belt Tensioner Is Lubricated With Oil And Should Only Be Compressed Slowly By Applying Constant Pressure.

-- Press the right camshaft timing chain tensioner guide rails in as far as the stop using a screwdriver -1- and secure the chain tensioner with a :T40071 .

Fig 7: Pressing Right Camshaft Timing Chain Tensioner Glide Track Inward And Securing Chain Tensioner With Locking Pin T40071

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NOTE:

The Toothed Belt Tensioner Is Lubricated With Oil And Should Only Be Compressed Slowly By Applying Constant Pressure.

-- Mark the installation position of the camshaft adjuster with paint for installation later.

Fig 8: Identifying Bolts On Left Cylinder Head And Removing Both Camshaft Adjusters

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CAUTION:

Danger Of Causing Damage To The Engine.

To prevent small parts from accidentally entering the engine through the opening in the timing chain compartment, cover the opening with a clean cloth.

-- Remove bolts -1 and 2- on the left cylinder head and remove both camshaft adjusters.

-- Mark the installation position of the camshaft adjuster with paint for installation later.

Fig 9: Identifying Bolts On Right Cylinder Head And Removing Both Camshaft Adjusters

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-- Remove bolts -1 and 2- on the right cylinder head and remove both camshaft adjusters.