We’ve had a handful of members write in wondering what to do when the leveling jacks on their RV’s slide room, fifth wheel or tow trailer aren’t working properly. For most of these cases, their hydraulic system has either taken on a disturbing growling noise upon descension of the leveling jacks or they simply won’t retract back into the rig. In this free lesson, RV expert Dave Solberg walks you through a quick explanation to explain how you should troubleshoot when you discover RV leveling jack