A8L V8-4.2L (BFM) (2004)
Vehicles with auxiliary heater
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In addition, disconnect supply pipe for auxiliary heater -2-.
All models
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Unscrew bolts (arrows) and remove retaining ring for flange (right side).
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Remove flange and take off O-ring.
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Unplug connectors -1 to 3- on underside of flange (right side).
Notes:
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To separate the pipe connections described in the following sections, pull the fuel pipes to the opening in the fuel tank.
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In the following illustrations, some of the components are shown as they appear removed from the vehicle.
Vehicles with auxiliary heater
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Pull out suction pipe -1- for auxiliary heater from brackets on tubular sender (arrows).