DonBaja wrote:
Do these bags start going bad with a slow leak that would first show up as a lean to one side in the garage or do they fail catastrophically?
Both! But more than likly will start leaking first.
DonBaja wrote:
Assuming the 8 bag configuration, would any 1 airbag failure, worse than a slow leak, require an immediate tow?
could, but can be fixed on the side of the road
DonBaja wrote:
Is there any rule of thumb for airbag replacement based on age alone like we have for tires..
They are part of your pre-trip inspection - "Air ride suspension should be checked for damage and leaks."
Your are of the age where I would go over the with a fine tooth magnifying glass.