I have a 2002 Gulf Stream Conquest and I am having problem in keeping tire psi in my rear tires. Seems that I loose a good 10 to 15 psi every couple of weeks. I am not running camper at the moment. Th...
There was a big dustup a couple years ago over the discovery of zillions of defective shrader valves (what's in your tire valve stems). It seems a major Chinese maker had taken a shortcut that made those valves leaky. There's a good chance you've found a couple of them. The cure is just replace them. Valve stems and valves are pretty cheap.