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The original air dryer can easily be serviced. Basic service is to unscrew the bottom plate, drop out the old desiccant pack and coalescing filter, and replace both. Kits: Haldex RN-60A, available such places as Finditparts for $42 more or less.I did not have an updated air dryer. I was not aware at this point they needed one installed. I will check tonight and see if mine is updated or not. Can you send a pic of what I am looking for?