Valve Stem Seals, Cylinder Head Installed: Installing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Risk of damage when installing valve stem seals.

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

Fig 1: Identifying Plastic Sleeve, New Valve Stem Oil Seals & Valve Stem Seal Driver 3365

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-- Lightly coat sealing lips of valve stem seal with oil.

-- Push valve stem seal onto plastic sleeve.

-- Carefully press valve stem oil seal onto valve guide using 3365.

-- Remove plastic sleeve again.

If the valve keepers were removed from the installation cartridge, they must then be inserted into the insertion deviceVAS 5161/18.

Fig 2: Identifying Installation Cartridge VAS 5161/8

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The large diameter of the valve keepers point upward.

-- Press installation cartridge from above onto valve keepers inserting tool and capture keepers.

-- Install valve spring and valve spring plate.

Fig 3: Identifying Tight End Of Spring Coils

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The tight spring coils -arrow- face toward cylinder head.

-- Screw guide plate onto cylinder head again.

-- Insert installation cartridge into guide plate.

Fig 4: Identifying Engaging Device VAS 5161/6 With Installation Fork VAS 5161/5

Courtesy of AUDI OF AMERICA, LLC

-- Press down pressure fork and pull knurled bolt upward turning to left and right, valve retainers are inserted in this manner.

-- Release pressure fork with the knurled bolt still pulled.

-- Repeat the procedure on each valve.

Assembling

Assembly is in reverse order of removal, note the following:

-- Make sure all the roller rocker levers are seated correctly on the valve stem ends and are clipped onto the hydraulic adjusting elements.

-- Install sparks plugs.

-- Install camshafts. Refer to CAMSHAFTS .