Bearing Bracket, Removing And Installing, Engine With Two Camshaft Adjusters: Removing

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION / NOISE INSULATION, REMOVING AND INSTALLING .

-- Remove the upper timing chain cover. Refer to TIMING CHAIN COVER, REMOVING AND INSTALLING, ENGINE WITH TWO CAMSHAFT ADJUSTERS .

• Pay attention to the direction of rotation: the control valves have left-hand threads - risk of damaging the threads.

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Depending on the version of the control valve use one of the tools listed:

• :T10352B 
• :T10352/1A 
• :T10352/2 
• :T10352/3 
• :T10352/4 

-- Remove the left and right control valve in direction of -arrow-.

-- To do so counterhold the crankshaft on the vibration damper with the :T40263  , :T40314  and the 24 mm socket.

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-- Remove the bolts -arrows-.

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• Carefully remove the bearing bracket without tilting - risk of damage.

-- Remove the bearing mount.

-- Remove the plug -arrow-.

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-- Remove the bolts -arrows-.

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-- Remove the bolt -arrow-.

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-- Install the :T40243  on the cylinder head -arrows lower-.

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• A second technician is required for the following steps.

-- Press the chain tensioner circlip -1- together and hold it.

-- Slowly press and hold the :T40243  in direction of -arrow-.

• This will push back the chain tensioner.

TIP: 

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

-- Lock the chain tensioner with the :T40267  .

-- Remove the :T40243  .