Air Bags

I recently hit about 900,000 miles on the truck so I started to chase air leaks that pop up around the air system.  One of the prime candidates for air leaks are the air bags. My air bags are original and although they look good during an inspection and don't show signs of leakage, I thought a little preventative maintenance here would go a long way.  As you can see from this picture, the air bag is starting to fail near the bottom of the pedestal.  The rubber is starting to crack.  This type of failure can leak air out slowly and cause the truck's air compressor to work harder than it was designed to.