S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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At the same time, rotate installation cartridge knurled screw right until points engage in valve keepers.
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Move the knurled wheel back and forth slightly. This presses the valve keepers apart and captures them in the installation cartridge.
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Release pressure fork.
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Remove installation cartridge.
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Unfasten guide plate and turn it aside.
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Remove valve spring with valve spring plate.
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Remove valve stem seal with the Valve Seal Removal Tool (3364).
CAUTION!
Risk of damage when installing valve stem seals.
‹› Place plastic sleeve - A - that is attached to valve stem seals - B - on valve stem.
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Lightly oil valve stem seal.
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Slide valve shaft seal onto plastic sleeve.
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Carefully press valve stem seal onto valve guide with Valve Stem Seal Drive (3365).
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Remove plastic sleeve again.
If the valve keepers were removed from the installation cartridge, they must then be inserted into the Insertion Device (VAS 5161/18).