A8 Quattro Sedan V8-4.2L (BGK) (2006)
Headlamp Alignment Actuator: Service and Repair
Headlamp Beam Adjustment Motor V48 / V49
Headlamp Beam Adjustment Motor V48 / V49, removing and installing
CAUTION: Always disconnect battery ground strap before working on gas-discharge headlight components marked with yellow high-voltage
symbols.
Removing
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Activate vehicle lift mode.
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With ignition switched off, disconnect battery Ground (GND) cable.
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Remove appropriate front wheel.
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Remove appropriate front wheel housing liner.
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Loosen locking bolt - 1 - a few turns.
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Release retainer tabs - arrows - and detach low beam housing cover from headlight housing.
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Remove screws - arrows -.
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By swivelling control motor - 1 -, push ball end of positioning stem downwards out of socket.
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Disconnect connector - 2 -.
Installing
Install in reverse order of removal, observing the following:
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Start by inserting ball end of positioning stem from underneath in reflector socket. To do so, pull reflector to rear.
NOTE: Control motor removal/installation and replacement are always to be followed by headlight adjustment 404.
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Close housing cover and secure with screw.
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Install front wheel housing liner.
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Connect battery. Required actions.
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Deactivate vehicle lift mode.
Tightening torque
Adjusting motor for vertical headlight beam control to headlight housing: 1 Nm