audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Teflon Combustion Chamber Seal|Page 2618 > < Teflon Combustion Chamber Seal|Page 2616
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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.

‹› Possibly an opened intake valve hinders the cleaning. In this case, engine must be turned further by hand using a wrench on the crankshaft.

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Install fuel injector again with support ring - 1 - and clip in radial compensation - 2 - on support ring.

‹› The Teflon sealing ring of fuel injector may not be oiled or greased. 

Teflon Combustion Chamber Seal|Page 2618 > < Teflon Combustion Chamber Seal|Page 2616