How to replace rear air bags with coil springs is there a YouTube video somewhere

What is your question?

When we bought the 2006 GMC envoy the airbags The rear of the truck up the air compressor works fine but does not keep the rear end up the compressor comes up but then the light on the switch in the rear of the truck starts to flash and it shuts everything down my truck has 115,000 miles and now the rear of the truck does not come up at all we love the vehicle but tired of the rough ride