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Home >> Porsche >> 2020 >> Macan GTS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (27 Starter, Power Supply, Cruise Control 2.0L -- 95B - MACAN (95B)) >> WM, 2706IN - General Information On The AGM Vehicle Battery >> Information On Removing And Installing The Battery >> Operating Principle Of Central Venting

Operating Principle Of Central Venting

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Information 

G15151158Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Central venting

AGM batteries have central venting -A-  .
In certain battery states, the gas produced during charging can emerge centrally through an opening on the upper cover side. Backfire protection is integrated at the same position and prevents the combustible gas in the battery from igniting. 
Make sure that the vent hose -A- is - not disconnected. Only then can the battery be freely vented. 
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