A8 Quattro Sedan V8-4.2L (BGK) (2006)
Headlamp Igniter Module: Service and Repair
Headlamp Power Output Stage J667 / J668, Removing and Installing
Headlamp Power Output Stage J667 / J668, 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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With ignition switched off, disconnect battery Ground (GND) cable.
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Remove headlight.
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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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Disconnect connector.
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Remove bolts - arrows - and remove headlight power output stage from headlight housing.
Installing
Install in reverse order of removal, observing the following:
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Check gasket between headlight power output module and housing cover.
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Connect harness connector.
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Close housing cover and secure with screw.
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Install headlight.
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Connect battery. Required actions.
Tightening torque
Power output stage to headlight: 1 Nm