A6 Quattro Wagon V6-3.2L (BKH) (2006)
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Secure the guide plate with the Knurled Screws (VAS 5161/12).
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Screw Adapter (T40012) with gasket by hand into respective spark plug thread and apply constant pressure.
‹› Minimum pressure: 6 bar positive pressure.
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Screw Engaging Device (VAS 5161/6) with Installation Fork (VAS 5161/5) into guide plate.
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Push Installation Cartridge (VAS 5161/8) into guide plate.
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Hook in Pressure Fork (VAS 5161/2) at engaging device and press down installation cartridge.
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At the same time, turn knurled bolt of installation cartridge to the right, until the points engage in the valve keepers.
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Lightly move knurled bolt back and forth, this causes the valve keepers to be pressed apart and captured in the installation cartridge.
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Release pressure fork.
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Take out installation cartridge.
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Unfasten guide plate and turn it aside.
‹› Pressurized air hose remains connected.
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Remove valve spring with valve spring plate.
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Pull off valve stem oil seals using Valve Seal Removal Tool (3364).