Tom: my 77 coach had grease zerks on the airbags when I first got the coach. Several years ago I removed the zerks and the grease as best I could and filled the bags with air. Since then I've had to regularly inflate them as even a tiny leak cause the bags to go flat. I inflate my bags until the top of the bag just begins to separate from the top plate of the assembly. I did notice a slight improvement in noise and vibration in the coach, but that only holds until the bag deflates and then things are worse. I'm thinking of returning to grease or changing out the bags for Lord Mounts of some kind
Jon
77 Coach, 2007 Civic toad with auto transmission no less
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