A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Make sure that the groove of the fuel injector does not become damaged. If the groove is damage, the fuel injector must be replaced.
Installing
‹› Replace combustion chamber seal and O-ring.
‹› Replace spacer ring if damaged.
‹› Lightly coat fuel injector O-rings with clean engine oil.
‹› Re-insert injectors at same cylinder.
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Clean bore in cylinder head with Nylon Cylinder Brush (T10133/4).
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Clip the radial adjustment - 1 - to the support ring - 2 -.