Forum Discussion
Bigdog
Dec 02, 2015Explorer
I do check mine before every trip, but it has been several years since I have had to add air. Three years in the fronts and two years in the rear. Before they were replaced, I would have to add air every two to three months. I did use my onboard air and found that it was slow, but worked. Also use the air tank for bicycle,lawn tractor tires, car tires and the kids swimming pool and it usually works great w/o having to run the engine.
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