Valve Shaft Seals, Removing And Installing, Cylinder Head Removed

WARNING: This page is about a different car, the 2016 Audi Q3 Quattro, 2016 Audi Q3, 2015 Audi Q3 Quattro, and 2015 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Puller - Valve Seal :3364
Seal Installer - Valve Stem :3365
Valve Cotter Tool Kit :VAS5161A
Valve Cotter Tool Kit - Guide Plate 19B :VAS5161/19B
Engine and Transmission Holder :VAS6095
Cylinder Head Tensioning Device :VAS6419

CAUTION:

This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure.

Mandatory Replacement Parts

Seals - Valve stem

Procedure

-- Remove the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .

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

-- If necessary, remove the roller rocker levers with the hydraulic adjusting elements and place them on a clean surface.

-- Insert the :VAS6419 in the :VAS6095 .

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

-- Connect the cylinder head tensioning device to the 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.

-- Tighten the :VAS5161/19B on the cylinder head as shown using the :VAS5161A/12 .

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

For the Intake Side

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

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

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

For the Exhaust Side

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

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-- 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 valve stem seals using :3364 .

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Install Valve Stem Seals

CAUTION:

Risk of damage when installing valve stem seals.

Place the plastic sleeve -A- that is attached to valve stem seals -B- on valve stem.

-- Lightly oil the valve stem seal.

-- Slide the valve stem seal onto the plastic sleeve.

-- Carefully press the valve stem seal onto the valve guide with the :3365 .

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-- Remove plastic sleeve.

-- Insert the valve spring and valve spring plate.

-- Install the :VAS5161A as illustrated.

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NOTE:

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

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Press the :VAS5161/8A onto the insertion device from above and capture the valve retainers.

-- 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 .

Assemble in reverse order of disassembly. Note the following:

-- Install the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .