Removal And Installation: Camshafts: Installing

WARNING: This page is about a different car, the 2013 Volkswagen Jetta and 2012 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specifications, refer to VALVETRAIN OVERVIEW .

NOTE:

The sealing surfaces must be completely free of oil and grease.

The pistons must not be positioned at TDC.

Make sure that all roller rocket arms make contact correctly on the valve stem ends.

Note the expiration date of the silicone sealant.

The cylinder head cover must be installed within 5 minutes after applying the silicone sealant.

-- Remove any sealant residue on the cylinder head using a flat blade scraper.

WARNING:

Risk of eye injury.

Wear protective eyewear.

NOTE:

Prevent dirt and adhesive residue from entering the cylinder head.

-- Remove any sealant out of the groove in the cylinder head cover as well as from any sealing surface using, for example, a rotating plastic brush.

Fig 1: Identifying Rotating Plastic Brush

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-- Clean the sealing surfaces, they must be free of oil and grease.

-- Cut the sealant tube nozzle at the front mark (nozzle diameter: approximately 2 mm).

Fig 2: Cut Tube Nozzle At Front Marking (Nozzle Diameter Approx. 1 Mm)

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-- Lubricate the running surfaces of both camshafts.

-- Place the camshafts into the cylinder head; the recesses -arrows- must be perpendicular to each other.

Fig 3: Camshaft Recesses

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-- Replace the cylinder head cover bolts.

-- Apply the silicone sealant to the clean sealing surface of the cylinder head cover as shown -arrows-.

Fig 4: Clean Cylinder Head Cover Sealing Surface Silicone Sealant Locations

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Thickness of sealant bead: 2 to 3 mm.

NOTE:

The cylinder head cover must be installed within 5 minutes after applying the silicone sealant.

The sealant bead may not be thicker than specified, otherwise the excess sealant could enter the oil pan and clog the oil intake tube.

Note the expiration date of the sealant.

-- Tighten the bolts in several steps:

Tightening sequence and specification, refer to Figure.

NOTE:

Make sure the cylinder head cover is not tilted.

-- Insert the cap -1- without sealant using the thrust piece T10174:

Fig 5: Driving Cap In Using Thrust Piece T10174

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Dimension -a- = 1 to 2 mm.

CAUTION:

When rotating the crankshaft, make sure the timing chain cannot damage any other components.

-- Use the counter hold tool T10355 to rotate the vibration damper to TDC -arrow- :

Fig 6: Identifying Vibration Damper "TDC" Position With Special Tool T10355

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The notch on the vibration damper must line up with the arrow mark on the lower timing chain cover.

NOTE:

The marked links on the timing chain must be positioned on the marks on the chain sprockets.

-- Install the camshaft timing chain:

Fig 7: Identifying Drive Chain/Chain Sprocket Markings And Turning Intake Camshaft Using Wrench

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The marked drive chain/sprockets -arrows- must align.

-- Turn the intake camshaft using the wrench in the -direction of the arrow- and install the timing chain.

Further installation is in the reverse order of removal.