Camshaft Timing Chain, Removing From Camshafts, Cylinder Bank 2 (Left): Removing

There are required preliminary procedures if the camshaft timing chain should be removed from the camshafts when the engine is installed. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .

-- Remove the cylinder bank 2 upper timing chain cover. Refer to UPPER TIMING CHAIN COVERS, REMOVING AND INSTALLING .

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

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-- Using the : T40263  and : T40314  , turn the crankshaft -arrow- until the vibration damper is at "TDC".

• The marks -1 and 2- on the camshaft adjusters must align with the corresponding locating tabs -arrows- on the camshaft housing. If necessary turn the crankshaft an additional turn.

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-- Pierce the exhaust camshaft plug -2- in the center with a screwdriver -1- in direction of -arrow- and carefully lift, at the same time do not damage the sealing surface. (Shown on the cylinder head bank 1).

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-- Tighten the : T40331/1  on the camshaft housing to 9 Nm.

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• It must be easy to insert the : T40331/1  .

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• Do not use a hammer to install the camshaft positioning tool.

-- Insert the prepared : T40331/1  all the way into the camshafts. If necessary slightly turn the crankshaft.

• The : T40331/6  engages as shown in the flattened position -2- on the intake camshaft.
• The : T40331/7  engages as shown in the flattened position -1- on the exhaust camshaft.

-- Tighten the bolts -arrows- to 9 Nm.

TIP: 

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The : T90001  can only be inserted in one position

-- To counterhold on the affected camshaft adjuster, position the : T90001  with : VAS261001  , and loosen the control valve -1- with the : T90000  .

-- For reinstallation mark the camshaft adjuster to the camshafts using paint.

Procedures, where the Engine is NOT Removed:

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-- Insert the : T10492  on the groove -1- in the vibration damper all the way in the hole -arrow- in the belt pulley side sealing flange. If necessary push the crankshaft slightly back and forth.

Procedure, if the Engine is Removed Due to Preliminary Work.

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-- Remove the plug.

-- Install the : T40069  in the hole and tighten to 20 Nm. If necessary push the crankshaft slightly back and forth.

Continuation: 

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-- Turn back the guide rail -2- in direction of -arrow- and pistons from the chain tensioner -1- using the : T03006  .

TIP: 

The piston is lubricated with oil and can only be pushed back slowly by applying constant pressure.

-- Remove the control valves -1 and 2- and remove both camshaft adjusters.

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