HID low beam headlamp bulb - through approx. 09.01, replacing
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- HIGH VOLTAGE!
- Always disconnect negative ( - ) battery terminal prior to working on parts of HID headlamp components marked with yellow "HIGH VOLTAGE" warning symbols.
- 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.
- Danger of explosion and burning.
- The control modules for HID lamps must never be operated (headlamps turned on) without an HID lamp.
- HID bulbs must only be operated (headlamps turned on) when installed in the headlamp housing.
- Always wear safety glasses and gloves when removing and installing HID bulb.
- 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
- Disconnect battery → Battery in engine compartment, disconnecting and reconnecting .
Left headlamp
- Remove headlamp → Headlamps, removing and installing .
Right headlamp - vehicles with 1.8L 4-cylinder Turbo engine:
- Preparation.
Right headlamp - vehicles with 3.0L 6-cylinder engine:
- Preparation.
Right headlamp - vehicles with 4.2L 8-cylinder engine:
- Preparation.
Both sides, continued:
- Release retaining clip - arrow - and detach housing cover for low beam from headlamp housing.
- Remove connector - 1 - at HID headlamp bulb by turning counter-clockwise.
- Release retaining clip - arrows - and pull HID headlamp bulb from housing.
Faulty HID headlamp bulb disposal → HID headlamp bulb, disposal
Installing
Install in reverse order of removal, noting the following:
CAUTION:
- Do not touch glass portion of bulb with bare hands. Even the smallest amount of moisture and/or contaminants from fingers that evaporates on the bulb during operation can cause the glass to cloud over.
- When installing housing cover, ensure proper seating. Water intrusion will damage headlamp.
- Insert new HID headlamp bulb in housing.
NOTE:
- Heed installation position: lug at top of bulb holder must engage in recess of HID headlamp bulb.
- Secure HID headlamp bulb with retaining clip.
- Secure housing cover with retaining clip.
- Reconnect battery. Required steps Reconnecting .