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Mine is 2010 Yukon Denali. When I hook up the trailer I hear the compressor come on - it runs for awhile and then shuts off but apparently doesn't inflate the shocks because the car doesn't level at all. Any suggestions?
Let us know what you find.Thank you gentlemen - I now know where to start and what to look for.
you can order replacement air lines either oem or dorman, there not expensive, rockauto/amazon or ebay will have themI put some air to one of the shocks and they are definitely shot so I will remove the fuse to protect the compressor and order a set of Arnott replacements. The little plastic clip that holds the air line in place was brittle and broke off as soon as I touched it so I'll have to rig something up to replace them. Thanks again for the help.