Whats involved in replacment procedure on 2005 GMC Yukon XL Denali

Auto air ride leaks down & pumps every 30 sec. whe I have our pull behind camper. 08, 35 foot

Asked by for the 2005 GMC Yukon XL Denali
Sounds like there's a leak in the system. Identifying the source of the leak will need to happen before a solution can happen.