A6 Quattro Wagon V6-3.2L (BKH) (2006)
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Press in by hand
17
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Oil seal
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Replace if damaged
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Lift out with screwdriver to replace
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Press in by hand
18
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Seals
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Always replace
19
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Support ring
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Make sure it is seated properly
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The fuel rail wields force via the support ring to hold the fuel injector tightly in cylinder head.
20
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O-ring
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Always replace
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Moisten with clean engine oil
21
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Spacer ring
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Replace if damaged
22
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Radial adjustment
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Replace if damaged
23
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Combustion chamber seal
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Replace
24
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Fuel injector