Re: jacks making noise
I have a 2008 supernova and unless they changed the jacks, they are not hydraulic and there is no fluid in them. They are a basic screw jack design with an electrical motor. If you do not have the tires chalked it might be the forces trying to pull or push to coach on it's jacks and it is making a creaking sound.
I have raised my front wheels off the ground with the jacks when it is leveling, I don't think it it's a problem as long as there is no chance of the coach rolling forward or back. If the back wheels come off the ground I will put blocks under them, I do this by raising them up. Little higher and then setting the coach back down and the re-level. I have found that the coach has more stability and less movement if the rear wheels are touching and stabilizing the load, not just the rear jacks.
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2008 Supernova 6372
2007 Nautique Super Air 210 (Toad)
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