A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
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Replace O-ring on fuel injector. Coat the O-ring with clean engine oil before installing.
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The Teflon seal must not be oiled.
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Using the included nylon brush (T10133/4), thoroughly clean the high-pressure fuel injector bores in the cylinder head before installing the fuel
injectors.
‹› The Teflon sealing ring of fuel injector may not be oiled or greased.
‹› When installing the injector valve, make sure there is no cleaning product or oil in the holes in the cylinder head.
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Using the assembly drift (T10133/9), press the fuel injector into the bore in the cylinder head until it stops (free of oil and grease). Make sure fuel
injectors are positioned correctly in cylinder head.