A8 Quattro Sedan V8-4.2L (AKB) (2002)
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Insert lever VAS 5161/2 into lever support VAS 5161/6 and lightly press down on cartridge VAS5161NAS 5161/8. Turn cartridge at serrated part
until points engage in slots between valve keepers.
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By slightly turning serrated part of cartridge, the valve keepers are separated and captured by the cartridge.
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Release pressure on lever.
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Remove valve spring and plate.
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Remove valve stem seal with 3364.
Installing
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To prevent damage to new seal, place plastic sleeve -A- on valve stem.
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Lightly lubricate sealing lip with oil.
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Install valve stem seal -B- without oiling outside of seal, into seal driver 3129 and carefully push seal down over valve stem down to valve guide.
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Lightly lubricate valve stem with oil before installing.