2004 Volvo V70 R, AutomaticFACTORY OEM SERVICE PROCEDURE

GDL Bulbs (2005-2007): Function: Safety

  • In the event of a short-circuit on the high voltage side, the power supply is cut off for less than 10 ms.
  • If the high voltage circuit is broken (such as due to an open circuit, defective bulb or no bulb in the lamp socket), during each activation the system attempts to light the lamp for a period of 700 ms. During the period, there is high voltage across the ballast.
  • Approximate component temperatures during operation: Ballast = 130 Β°C (266 Β°F), Bulb holder = 170 Β°C (338 Β°F), Bulb = 400 Β°C (752 Β°F).
  • The glass body of the Bi-Xenon lamp is filled with various gases and metal vapors and is under pressure. Because the lamp is subjected to gas pressure, it could explode.
WARNING:

Follow the safety instructions and recommendations in VIDA carefully when working with high voltage.

Use safety goggles when handling the bulb. Risk of explosion

The electrical system must be switched off before starting work.

Risk of burn injury. The components operate at very high temperatures.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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