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Old 03-15-2019, 01:51 AM   #1
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Join Date: Sep 2013
Posts: 8
2014 Palazzo 36.1 Air Dryer cartridge replacement


Has anyone replaced the Air Dryer Cartridge on their Palazzo? Mine is a Bendix AD9. I bought the Cartridge for $70 bucks. Looked under the coach and it seems like after bleeding the air lines, there are mounting straps and bell housing that needs to be removed by undoing 6 bolts from the bottom assembly that have hoses coming into it. Then I suppose the cartridge unscrews counter clock wise. I hear it is pretty tight. The location of the air dryer assembly is close to the rear axle, close to the rear driver side tires under the coach. Pain to work laying down. I usually do most of the maintenance work myself but this one seems daunting. Not sure how much Freightliner charges to do the replacement. If someone can do it for a reasonable price and can be trusted, I may opt to pay a professional to do it.

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Old 03-15-2019, 06:54 AM   #2
Join Date: Oct 2013
Location: Illinois
Posts: 65
AD 9

My 2014 Palazzo also has a AD9 dryer. I do all of my own maintenance, but when I looked at the dryer I decided to take the motorhome to a Freightliner Oasis dealer. They removed the dryer from the coach and changed the element on a bench saying that that is faster and easier and cleaner than changing it on the coach.
I don't remember the cost exactly but it was somewhere around 200 dollars including the filter element. I was very satisfied and didn't have to get all dirty !!!
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ace, air, replace, replacement

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