Assuming you have a HWH hydraulic jack system;
Air in the system is quite possible if the reservoir is low.
First check the obvious, hwh fluid level when jacks and hyd. slide are retracted. There is a dipstick in the fill cap.
IF it is low, fill to full mark, then extend/rectract jacks, recheck fluid level; repeat until fluid level remains the same.
Your owners manual should identify the alternate fluid to the HWH jack oil, if not, it is on the HWH website under your specific system ID.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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