A4 Quattro Sedan V6-3.2L (BKH) (2005)
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Fuel system is under high pressure. Before opening high pressure components of the fuel injection system, pressure must be relieved to residual
pressure.
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Then wrap a clean rag around the connection and relieve residual pressure by carefully loosening the connection.
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Remove upper part of intake manifold.
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Remove high-pressure line, thereby removing bolts and union nuts - 1 through 7 -.
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Disconnect electrical harness connectors:
1. Intake Manifold Runner Position Sensor 2 G512
2. Fuel Pressure Sensor G247
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Remove bolts and nuts - arrows - and remove intake manifold lower-part with fuel rail.
NOTE: Plug intake ports of the cylinder head with clean rags.
Installing
Installation is in reverse order of removal, note the following:
NOTE:
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Replace gaskets and O-rings.
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Lightly moisten fuel injector O-rings with clean engine oil.