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KENTELARSEN

Freightliner Chassis Air Suspension

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I have a 2006 National Tradewinds on a Freightliner Chassis and occasionally have problems with the left front suspension bag inflating. Has happened twice in the last few months. The first time it eventually sealed and inflated. The last time did not. Any help out there?

Thanks.

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Was the leak at the bag, or in plumbing to it?

It is a little odd (assuming you have a straight axle, not IFS) since you only have a single ride height valve in front which supplies both front air bags.

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It leaks at the point where the air bag would normally seal against the bottom-side metal "rim". If I deflate the system and raise the jacks fully on the front, the entire "rim" is exposed so I was able to clean that. When I lower the jack and fill the bag it won't seal tight against a portion of the "rim" and leaks there. One time it happened it eventually seated and filled and wasn't a problem until weeks later. Odd indeed.

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Kent, from your description it sounds like a failure in the air bag bladder!

Freightliner customer help line should be able to give you some helpful information - have your Vin Number handy.

1-800-385-4357

Rich,

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