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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Starter, Power Supply, Cruise Control) >> Battery >> Removing and installing battery >> Functioning of central venting

Functioning of central venting

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Batteries of the latest generation are fitted with central venting.
  • The gas occurring during the charging, emerges centrally through an opening on the upper cover side. The backfire protection is integrated into the same position which prevents the ignition of the combustible gas present in the battery.
  • In batteries with hose/pipe for the central venting, ensure that the hose is not disconnected. Only then can the battery freely de-gas.
  • In batteries without a hose/pipe for the central venting, ensure that the opening is not blocked on the upper cover side of the battery.
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