Camshaft Housing, Removing And Installing: Installing

Install in reverse order of removal and note the following:

• Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.
• The hydraulic lifters and roller rocker lever are inserted.
  Fig 1: Identifying Locking Pin T40069

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• Secure the crankshaft with the : T40069  .

Fig 2: Cleaning Sealing Surfaces

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-- Remove the sealant residue on the cylinder head and the camshaft housing -1-, using for example a rotating plastic brush.

-- Clean the sealing surfaces and grooves in the sealing surfaces of oil and grease.

• Be sure to check the expiration date of the sealant.
  Fig 3: Cut Tube Nozzle At Front Marking

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-- Cut the tube nozzle at the front marking (nozzle diameter: about 2 mm).

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-- Apply a light and even sealant bead as shown in the clean grove of the camshaft housing.

• Sealant bead width -1, 2 and 3- : 3.0 mm
• Install the camshaft housing within five minutes of applying the sealant.
• After installing the camshaft housing, let the sealant harden for approximately 30 minutes.

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• The compression ring ends -1 and 2- must face upward and must never face sideways.

-- Lay the camshaft housing on the cylinder head.

-- Install and tighten the camshaft housing bolts.

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

• Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.

-- Install the camshaft timing chain. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .

-- Install the crankcase ventilation module. Refer to CRANKCASE VENTILATION MODULE, REMOVING AND INSTALLING .

-- Install the ignition coils. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .

Additional procedures depending on the model. Refer to CYLINDER HEAD .

After removing or replacing the camshaft housing the adaptation values for the chain length must be adapted again.

-- Connect the Vehicle Diagnostic Tester.

-- Select Diagnostic  operating mode and Start diagnostics  .

-- Select the Select individual test  tab and select the following tree structure consecutively:

• Drivetrain 
• Select the engine code and engine 
• 01- OBD-capable systems  .
• 01 - Engine Electronics 
• 01 - Engine electronics, functions 
• 01 - Chain length diagnostic adaptation