A5 Quattro Coupe V6-3.2L (CALA) (2009)
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Secure the guide plate with the Knurled Screws (VAS 5161/12).
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Install Adapter (T40012) with sealing ring in respective spark plug thread and hand tighten.
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Connect the adapter to the compressed air using a commercially available intermediate piece and give steady pressure.
‹› Minimum pressure: 6 bar positive pressure.
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Install Engaging Device (VAS 5161/6) with Installation Fork (VAS 5161/5) in guide plate.
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Slide Installation Cartridge (VAS 5161/8) in guide plate.
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Engage Pressure Fork (VAS 5161/2) on engaging device and press installation cartridge down.
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At the same time, rotate installation cartridge knurled screw right until points engage in valve keeper.
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Move the knurled wheel left and right 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.
‹› Pressurized air hose remains connected.
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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).