If you are describing the air suspension you need to use soapy water on the suspension bags and airlines to find the leak when they are trying to inflate. Air suspension parts can leak, some air solenoids or airlines can develop leaks.
For metal parts, there can be struts which are fluid filled and when they leak they must be replaced.
Answers & Comments
If you are describing the air suspension you need to use soapy water on the suspension bags and airlines to find the leak when they are trying to inflate. Air suspension parts can leak, some air solenoids or airlines can develop leaks.
For metal parts, there can be struts which are fluid filled and when they leak they must be replaced.
If you are referring to