A3 Quattro V6-3.2L (BUB) (2008)
Fuel Injector: Removal and Replacement
Fuel Injectors
Fuel Injectors
Removing
CAUTION!
Fuel system is under pressure! Before opening system, place rags around the connection area. Then release pressure by carefully
loosening the connection.
-
Disconnect fuel line - 2 -, pull up release button to do so.
‹› Ignore - 1 -.
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Remove intake manifold and fuel rail => [ Intake Manifold ] See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Intake
Manifold.
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Pull off retaining clip and remove relevant fuel injector.
Installing
Installation is in reverse order of removal, noting the following:
‹› Replace O-rings at all opened connection points. (Never remove plastic cap from valve head to replace front O-ring - lift off O-ring over plastic
cap).
‹› Lubricate O-rings with clean engine oil.
‹› Check that fuel injectors are installed in correct position.
‹› Check clips for proper seating.
‹› Place fuel rail with secured fuel injectors onto intake manifold, and apply uniform pressure to press it in.
Tightening Specifications