Valve Stem Seals, Removing And Installing, Cylinder Head Installed

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

Spark Plug Removal Tool :3122B
Puller - Valve Seal :3364
Seal Installer - Valve Stem :3365
Valve Cotter Tool Kit - Adapter :T40012
Torque Wrench 1331 5-50Nm :VAG1331
Valve Cotter Tool Kit :VAS5161A
Valve Cotter Tool Kit - Guide Plate 19B :VAS5161/19B

CAUTION:

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

Mandatory Replacement Parts

Seals - Valve stem

Remove Valve Stem Seals

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

-- Remove the roller rocker lever and place it on a clean surface. Make sure that roller cam followers are not interchanged.

-- Remove the spark plugs using a :3122B .

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

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-- Move piston for that cylinder to "bottom dead center position".

-- Install the :T40012 in the spark plug threads.

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-- Connect compressed air with at least 6 bar (87 psi) pressure.

-- Loosen stuck valve retainers using a :VAS5161/3A and a plastic hammer.

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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-- If the :3364 cannot be used because there is not enough space, drive the roll pin -arrow- out using a drift and remove the impact attachment.

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-- Position the lower part of the :3364 on the valve stem seal.

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-- Place the drift -1- in the hole in the lower section of the removal tool.

-- Position the lever on the removal tool and remove the valve stem seal -arrow-.

Install Valve Stem Seals

CAUTION:

Risk of damage when installing valve stem seals.

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

-- Place plastic sleeve -A- on valve stem to prevent damage to new valve stem seals -B-.

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-- 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 .

-- Remove the plastic sleeve again.

-- Insert the valve spring and valve spring plate.

-- Connect the :VAS5161A as illustrated.

For the Intake Side

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For the Exhaust Side

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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 turn 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.

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