Passat Sedan V6-3.6L (BLV) (2008)
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Replace the O-rings between the fuel injectors and fuel rail and lubricate them lightly with clean motor oil.
‹› Seal - item 1 -=> [ Seal ] See: must also be replaced at fuel injectors for cylinders 1, 3 and 5.
‹› The Teflon seal for the fuel injector may not be oiled or greased.
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Press the fuel injector by hand into the cylinder head bore until it stops.
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Check the fuel injectors for correct seating and installed position in the cylinder head.
If the fuel injectors for cylinders 1, 3 and 5 were removed:
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Place the fuel rail on and press evenly onto the fuel injectors.
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Tighten the fuel rail with new bolts uniformly.
Tightening specifications, refer to one of the following:
=> [ Fuel Rail, Injectors and High Pressure Pump Overview, through 07.07 ] See: .
=> [ Fuel Rail, Injectors and High Pressure Pump Overview, from 08.07 ] See: .
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Install the intake manifold. Refer to => [ Intake Manifold ].
Fuel Injector Teflon Seal and Washer
‹› The long fuel injectors for cylinders 1, 3 and 5 must not be separated.
Special tools, testers and auxiliary items required
‹› Tool Set (T10133)
Replacing the Teflon Seal
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Remove the intake manifold. Refer to => [ Intake Manifold ].
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Remove the fuel injectors. Refer to => [ Fuel Injectors ].
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Clean the fuel injector.
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Cut the seal - arrow - off with a knife. When doing so, do not let the knife blade come in contact with the injector.
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Remove the seal and clean the groove in the seal area - arrow -. Remove any deposits (coking) using a brass wire brush.