A4 Quattro Wagon V6-3.2L (BKH) (2005)
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Disconnect crankcase ventilation hoses - arrows - at cylinder head covers.
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Free up crankcase ventilation hoses.
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Remove bolt - 1 - and remove connecting piece with crankcase ventilation hoses.
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Remove high-pressure line, thereby removing bolts and union nuts - 1 to 6 -.
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Place a rag under coolant pipe to catch escaping coolant.
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Disconnect coolant hose - 3 - from coolant pipe.
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Remove bolts - 1 - and - 2 - and pull coolant pipe rearward and out of cylinder block - arrow -.
Installing
Installation is in reverse order of removal. Note the following:
Note:
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Replace O-ring.
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During installation, all cable ties must be re-installed at the same location.
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Clean and/or smooth O-ring sealing surface before installing.
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Moisten new O-ring with G12+ and push onto coolant pipe.