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2015 Discovery Air Suspension

janstey58
Explorer
Explorer
Hi All, We just purchased a new to use Discovery and have used it only a few camping days. I noticed yesterday when I went to park it after a drive and dump the air, the system made a strange whistling noise along with the normal dumping air sound. Has anyone had this problem and what may have caused this? The system works well otherwise. Thx!
Jeff and Kim
2015 Fleetwood Discovery 40E
Freightliner Chassis 380HP DP
2012 Ford Escape Limited Toad
2 REPLIES 2

janstey58
Explorer
Explorer
Thanks! I called Freightliner and they gave me the same advice!
Jeff and Kim
2015 Fleetwood Discovery 40E
Freightliner Chassis 380HP DP
2012 Ford Escape Limited Toad

et2
Explorer
Explorer
Our Expedition has done that since 2013 off and on. Nothing to worry about IMHO. It's always worked as designed.