I have a 2002 disco 2 se7, low mileage barely driven great shape < i live in MI have never driven this vehicle in the winter< lately when i leave it sitting on a hill or tipped to drivers side the AIR BAGS go down, left side only < do i need to replace them ?
Thank You

 

Wile a leak seems obvious, where might be a question. You can mix up soapy water in a squirt bottle and mist suspect areas, they'll bubble just like the leak in an old inner tube. That might eliminate certain fittings, etc, or the bags.