S4 V8-4.2L (BHF) (2004)
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Headlamp Bulb: Service and Repair
HID Low Beam Headlamp Bulb, Replacing
HID Low Beam Headlamp Bulb, Replacing - Through 10.04
CAUTION:
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HIGH VOLTAGE!
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Always disconnect negative (-) battery terminal prior to working on parts of HID headlamp components marked with yellow "HIGH VOLTAGE"
warning symbols.
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The physical and mechanical properties of HID bulbs are very sensitive. Internal pressure of HID glass bulb may exceed 100 bar (in operation).
Bulb temperature may exceed 700 degrees Celsius.
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Danger of explosion and burning.
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The control modules for HID lamps must never be operated (headlamps turned on) without an HID lamp.
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HID bulbs must only be operated (headlamps turned on) when installed in the headlamp housing.
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Always wear safety glasses and gloves when removing and installing HID bulb.
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Never look directly at an operating HID bulb. The UV emissions of an HID bulb are approximately 2.5 times that of a comparable halogen bulb..
Removing
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Remove headlamp.
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Remove screws - 1 - and - 2 -.
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Release retaining clip - 3 - in direction of - arrow - and detach housing cover from headlamp housing.
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Disconnect electrical connection - 3 -.
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Release retaining clip - 1 - and remove HID headlamp bulb - 2 - from housing.
Faulty HID headlamp bulb disposal
Installing
Install in reverse order of removal, noting the following:
CAUTION:
