Valve Stem Seals, Removing And Installing, Cylinder Head Removed: Procedure

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-- Mark the allocation of the roller rocker lever and the hydraulic lifter so they can be installed again.

-- Remove the roller rocker lever with the hydraulic lifter and place them on a clean surface.

-- If necessary, remove the intake manifold with the fuel rail. Refer to INTAKE MANIFOLD, REMOVING AND INSTALLING [CAEB, CAED, CPMA, CPMB] / OVERVIEW - INTAKE MANIFOLD [CAEB, CAED, CPMA, CPMB] .

-- If necessary, remove the turbocharger. Refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Insert the :VAS6419 in the :VAS6095A .

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-- Tension the cylinder head on the cylinder head tensioning device, as shown.

-- Connect the cylinder head tensioning device to compressed air.

-- Slide the air cushion with the lever -arrow- under the combustion chamber onto the valve stem seal that will be removed.

-- Let enough compressed air flow into the air cushion until it contacts the valve plate.

-- Set the :VAS5161/19B on the cylinder head.

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-- Secure the guide plate with the :VAS 5161/12 .

-- Insert the :VAS5161/3A into the guide plate and loosen the stuck valve retainers with a plastic mallet.

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-- Install the :VAS5161/6 with the :VAS5161/5 in the guide plate.

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-- Push the :VAS5161/8 into guide plate.

Intake Side:

-- Engage the pressure fork :VAS5161/2 on the engaging device as illustrated.

Exhaust Side:

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-- Install the :VAS5161/6 with the :VAS5161/5 in the outer threads of the :VAS5161A/19B .

Continuation:

-- Insert the :VAS5161/8A into the :VAS5161/19B .

-- Engage the :VAS5161/2 on the :VAS5161/6 .

-- Press down the :VAS5161/8A and at the same time turn the knurled thumb screw on the :VAS5161/8A to the right until the points engage in the valve retainers.

-- Move the knurled thumb screw back and forth slightly. This presses the valve retainers apart and captures them in the installation cartridge.

-- Release the :VAS5161/2 .

-- Remove the :VAS5161/8A .

-- Remove the valve stem seals using :3364 .

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In order not to damage the valve stem seal -4- during installation, mount the Mounting Sleeve -3- on the valve stem -2-.

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-- Lightly oil the valve stem seal sealing lip.

Depending on the version/manufacturer of the valve stem seal, use the :3365 or :T40376/1

-- Insert the valve stem seal in the Seal Installer - Valve Stem -5- and carefully press on over the Mounting Sleeve on the valve guide -1- all the way.

-- Remove the Mounting Sleeve.

-- Insert the valve spring and valve spring retainer.

-- Install the :VAS5161A as shown.

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Continuation:

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If the valve retainers were removed from the assembly cartridge, they must then be inserted into the :VAS5161/18 .

-- Press the :VAS5161/8 down with the :VAS5161/2 and rotate the cartridge knurled thumb screw back and forth while pulling up.

-- Release the :VAS5161/2 with the knurled thumb screw pulled.

-- Remove the :VAS5161A .