Since 1954, top-spec Citroën models have famously ridden on what felt like a cushy*wave of fluid—because, well, they actually rode on a cushy fluid. The French automaker’s innovative hydropneumatic suspension system used pump-driven hydraulic fluid and small nitrogen-filled bladders at each wheel to absorb road impacts like no metal spring and gas-charged damper setup could, […]
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Citroën’s Hydropneumatic Suspension Is Being Depressurized—Forever
